Thomas Kowalski

TitleAsst Professor
InstitutionThomas Jefferson University
DepartmentGastroenterology
Address132 S. 10th St.
Philadelphia PA 19107
Phone215-955-9950
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Shinn B, Boortalary T, Raijman I, Nieto J, Khara HS, Kumar SV, Confer B, Diehl DL, El Halabi M, Ichkhanian Y, Runge T, Kumbhari V, Khashab M, Tyberg A, Shahid H, Sarkar A, Gaidhane M, Bareket R, Kahaleh M, Piraka C, Zuchelli T, Law R, Sondhi A, Kedia P, Robbins J, Calogero C, Bakhit M, Chiang A, Schlachterman A, Kowalski T, Loren D. Maximizing success in single-session EUS-directed transgastric ERCP: a retrospective cohort study to identify predictive factors of stent migration. Gastrointest Endosc. 2021 May 03. PMID: 33957105.
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    2. Qayed E, Sheth SG, Aihara H, Anand GS, Byrne KR, Chahal P, Dacha S, James T, Kowalski TE, Repaka A, Saadi M, Taylor JR, Williams RL, Wagh MS. Advanced endoscopy fellowship training in the United States: recent trends in American Society for Gastrointestinal Endoscopy advanced endoscopy fellowship match, trainee experience, and postfellowship employment. Gastrointest Endosc. 2021 Apr 05. PMID: 33832739.
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    3. Walsh CM, Qayed E, Aihara H, Anand GS, Byrne K, Chahal P, Dacha S, James TW, Kowalski TE, Repaka A, Saadi M, Sheth SG, Taylor JR, Williams RL, Wagh MS. Core curriculum for ergonomics in endoscopy. Gastrointest Endosc. 2021 Apr 02. PMID: 33820648.
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    4. Aihara H, Dacha S, Anand GS, Byrne KR, Chahal P, James T, Kowalski TE, Repaka A, Saadi M, Sheth SG, Taylor JR, Williams RL, Wagh MS. Core curriculum for endoscopic submucosal dissection (ESD). Gastrointest Endosc. 2021 Apr 02. PMID: 33820649.
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    5. Dacha S, Aihara H, Anand GS, Byrne KR, Chahal P, James T, Kowalski TE, Qayed E, Repaka A, Saadi M, Sheth SG, Taylor JR, Walsh CM, Williams RL, Wagh MS. Core curriculum for peroral endoscopic myotomy (POEM). Gastrointest Endosc. 2021 Jan 07. PMID: 33422284.
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    6. Ichkhanian Y, Barawi M, Thakkar SJ, Seoud T, Kothari TH, Halabi ME, Ullah A, Edris W, Aepli P, Kowalski TE, Shinn B, Sharaiha RZ, Mahadev S, Mosko JD, Andrisani G, Di Matteo FM, Albrecht H, Giap A, Tang SJ, van Geenen EM, Friedland S, Tharian B, Irani S, Ross A, Jamil LH, Lew D, Nett A, Farha J, Runge TM, Jovani M, Khashab MA. Endoscopic Full-Thickness Resection of Polyps Involving the Appendiceal Orifice: A Multicenter International Experience. Endoscopy. 2021 Jan 04. PMID: 33395714.
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    7. Siddiqui A, Naveed M, Basha J, Lakhtakia S, Nieto J, Shah J, Binmoeller K, Murphy M, Talukdar R, Ramchandani MK, Nabi Z, Gupta R, Kowalski TE, Loren DE, Sharaiha RZ, Kahaleh M, Eyck PT, Noor A, Mumtaz T, Kalalala R, Reddy ND, Adler DG. International, multicenter retrospective trial comparing the efficacy and safety of bi-flanged versus lumen-apposing metal stents for endoscopic drainage of walled-off pancreatic necrosis. Ann Gastroenterol. 2021; 34(2):273-281. PMID: 33654370.
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    8. Bakhit M, Kowalski T. Interconnecting pancreatic ducts: unique ductogenesis in a patient with Kabuki syndrome and cytochrome C deficiency. Gastrointest Endosc. 2020 Oct 28. PMID: 33129795.
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    9. Hajifathalian K, Ichkhanian Y, Dawod Q, Meining A, Schmidt A, Glaser N, Vosoughi K, Diehl DL, Grimm IS, James T, Templeton AW, Samarasena JB, Chehade NEH, Lee JG, Chang KJ, Mizrahi M, Barawi M, Irani S, Friedland S, Korc P, Aadam AA, Al-Haddad M, Kowalski TE, Smallfield G, Ginsberg GG, Fukami N, Lajin M, Kumta NA, Tang SJ, Naga Y, Amateau SK, Kasmin F, Goetz M, Seewald S, Kumbhari V, Ngamruengphong S, Mahdev S, Mukewar S, Sampath K, Carr-Locke DL, Khashab MA, Sharaiha RZ. Full-thickness resection device (FTRD) for treatment of upper gastrointestinal tract lesions: the first international experience. Endosc Int Open. 2020 Oct; 8(10):E1291-E1301. PMID: 33015330.
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    10. Runge TM, Chang A, Kowalski TE, James TW, Baron T, Nieto J, Diehl DL, Krafft MR, Nasr JY, Kumar V, Khara HS, Irani S, Patel A, Law R, Loren DE, Schlachterman A, Hsueh W, Confer B, Stevens T, Chahal P, Al-Haddad M, Mir FF, Pleskow D, Huggett MT, Paranandi B, Trindade AJ, Brewer Gutierrez OI, Ichkhanian Y, Dbouk M, Kumbhari V, Khashab MA. EUS-Directed Transgastric ERCP (EDGE): A Retrospective, Multicenter Study. Endoscopy. 2020 Sep 03. PMID: 32882722.
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    11. Walsh CM, Umar SB, Ghassemi S, Aihara H, Anand GS, Cassani L, Chahal P, Dacha S, Duloy A, Huang C, Kowalski TE, Kushnir V, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Vela SAF, Williams RL, Wagh MS. Colonoscopy core curriculum. Gastrointest Endosc. 2020 Aug 24. PMID: 32854938.
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    12. Aihara H, Kushnir V, Anand GS, Cassani L, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for endoscopic ablative techniques. Gastrointest Endosc. 2020 Aug 24. PMID: 32854937.
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    13. Aihara H, Kushnir V, Anand GS, Cassani L, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for endoscopic mucosal resection. Gastrointest Endosc. 2020 Aug 22. PMID: 32843191.
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    14. Cassani L, Aihara H, Anand GS, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Kushnir V, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for EUS. Gastrointest Endosc. 2020 Sep; 92(3):469-473. PMID: 32713612.
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    15. Qayed E, Anand GS, Aihara H, Cassani L, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Kushnir V, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for endoluminal stent placement. Gastrointest Endosc. 2020 Sep; 92(3):463-468. PMID: 32711868.
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    16. Shinn BJ, Kowalski TE. Recurrent Pancreatitis in a Patient With Oral-Facial-Digital Syndrome. Clin Gastroenterol Hepatol. 2020 Jul 03. PMID: 32629132.
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    17. Ngamruengphong S, Ferri L, Aihara H, Draganov PV, Yang DJ, Perbtani YB, Jue TL, Munroe CA, Boparai ES, Mehta NA, Bhatt A, Kumta NA, Othman MO, Mercado M, Javaid H, Aadam AA, Siegel A, James TW, Grimm IS, DeWitt JM, Novikov A, Schlachterman A, Kowalski T, Samarasena J, Hashimoto R, El Hage Chehade N, Lee J, Chang K, Su B, Ujiki MB, Mehta A, Sharaiha RZ, Carr-Locke DL, Chen A, Chen M, Chen YI, Khoshknab MP, Wang R, Kerdsirichairat T, Tomizawa Y, von Renteln D, Kumbhari V, Khashab MA, Bechara R, Karasik M, Patel NJ, Fukami N, Nishimura M, Hanada Y, Wong Kee Song LM, Laszkowska M, Wang AY, Hwang JH, Friedland S, Sethi A, Kalloo AN. Efficacy of Endoscopic Submucosal Dissection for Superficial Gastric Neoplasia in a Large Cohort in North America. Clin Gastroenterol Hepatol. 2020 Jun 18. PMID: 32565290.
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    18. Staub J, Siddiqui A, Murphy M, Lam R, Parikh M, Pleskow D, Papachristou G, Sharaiha R, Iqbal U, Loren D, Kowalski T, Noor A, Mumtaz T, Yasuda I, Thomas S, Hsaeeb A, Herrick J, Greene T, Adler DG. Unilateral versus bilateral hilar stents for the treatment of cholangiocarcinoma: a multicenter international study. Ann Gastroenterol. 2020 Mar-Apr; 33(2):202-209. PMID: 32127742.
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    19. Honig SE, Lundgren MP, Kowalski TE, Lavu H, Yeo CJ. Advanced Endoscopic Rescue of a Complication (Duodenojejunostomy Leak) After a Pylorus-Preserving Pancreaticoduodenectomy in a Post-Esophagectomy Patient with Pancreatic Adenocarcinoma: A Case Report and Review of the Literature. J Pancreat Cancer. 2020; 6(1):5-11. PMID: 32064448.
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    20. Parsa N, Nieto JM, Powers P, Mitsuhashi S, Abdelqader A, Hadzinakos G, Anderloni AA, Fugazza A, James TW, Arlt A, Ellrichmann M, Aparicio JR, Trindade AJ, Stevens TK, Chahal P, Shah SL, Messallam AA, Lang G, Fejleh MP, Benias PC, Sejpal DV, Jones J, Mir FF, Aghaie Meybodi M, Ichkhanian Y, Vosoughi K, Novikov AA, Irani SS, Pawa R, Ahmed AM, Sedarat A, Hsueh W, Hampe J, Sharaiha RZ, Berzin TM, Willingham FF, Kushnir VM, Brewer Gutierrez OI, Ngamruengphong S, Huggett MT, Baron TH, Repici A, Adler DG, Nasr JT, Kowalski TE, Kumbhari V, Singh VK, Khashab MA. Endoscopic ultrasound-guided drainage of pancreatic walled-off necrosis using 20-mm versus 15-mm lumen-apposing metal stents: an international, multicenter, case-matched study. Endoscopy. 2020 Jan 30. PMID: 32000275.
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    21. Kumta NA, Tyberg A, Bhagat VH, Siddiqui AA, Kowalski TE, Loren DE, Desai AP, Sarkisian AM, Brown EG, Karia K, Gaidhane M, Kedia P, Tarnasky PR, Patel U, Adler D, Taylor LJ, Petrone M, Arcidiacono P, Yachimski PS, Weine D, Sundararajan S, Deprez PH, Mouradides C, Ho S, Javed S, Easler JJ, Raijman I, Vazquez-Sequeiros E, Sawhney M, Berzin TM, Kahaleh M. EUS-guided drainage of pancreatic fluid collections using lumen apposing metal stents: An international, multicenter experience. Dig Liver Dis. 2019 Jul 01. PMID: 31272934.
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    22. Yang J, Kaplan JH, Sethi A, Dawod E, Sharaiha RZ, Chiang A, Kowalski T, Nieto J, Law R, Hammad H, Wani S, Wagh MS, Yang D, Draganov PV, Messallam A, Cai Q, Kushnir V, Cosgrove N, Ahmed AM, Anderloni A, Adler DG, Kumta NA, Nagula S, Vleggaar FP, Irani S, Robles-Medranda C, El Chafic AH, Pawa R, Brewer O, Sanaei O, Dbouk M, Singh VK, Kumbhari V, Khashab MA. Safety and efficacy of the use of lumen-apposing metal stents in the management of postoperative fluid collections: a large, international, multicenter study. Endoscopy. 2019 Aug; 51(8):715-721. PMID: 31174225.
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    23. Thomas S, Siddiqui AA, Taylor LJ, Parbhu S, Cao C, Loren D, Kowalski T, Adler DG. Fully-covered esophageal stent migration rates in benign and malignant disease: a multicenter retrospective study. Endosc Int Open. 2019 Jun; 7(6):E751-E756. PMID: 31157292.
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    24. Powers PC, Siddiqui A, Sharaiha RZ, Yang G, Dawod E, Novikov AA, Javia A, Edirisuriya C, Noor A, Mumtaz T, Iqbal U, Loren DE, Kowalski TE, Cosgrove N, Alicea Y, Tyberg A, Andalib I, Kahaleh M, Adler DG. Discontinuation of proton pump inhibitor use reduces the number of endoscopic procedures required for resolution of walled-off pancreatic necrosis. Endosc Ultrasound. 2019 Feb 04. PMID: 30719997.
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    25. Novikov A, Kowalski TE, Loren DE. Practical Management of Indeterminate Biliary Strictures. Gastrointest Endosc Clin N Am. 2019 Apr; 29(2):205-214. PMID: 30846149.
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    26. Siddiqui A, Kunda R, Tyberg A, Arain MA, Noor A, Mumtaz T, Iqbal U, Loren DE, Kowalski TE, Adler DG, Saumoy M, Gaidhane M, Mallery S, Christiansen EM, Nieto J, Kahaleh M. Three-way comparative study of endoscopic ultrasound-guided transmural gallbladder drainage using lumen-apposing metal stents versus endoscopic transpapillary drainage versus percutaneous cholecystostomy for gallbladder drainage in high-risk surgical patients with acute cholecystitis: clinical outcomes and success in an International, Multicenter Study. Surg Endosc. 2018 Sep 12. PMID: 30209610.
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    27. Bukhari M, Kowalski T, Nieto J, Kunda R, Ahuja NK, Irani S, Shah A, Loren D, Brewer O, Sanaei O, Fayad L, Chen YI, Ngamruengphong S, Kumbhari V, Singh V, Aridi HD, Khashab MA. An international, multicenter, comparative trial of EUS-guided gastrogastrostomy-assisted ERCP versus enteroscopy-assisted ERCP in patients with Roux-en-Y gastric bypass anatomy. Gastrointest Endosc. 2018 May 03. PMID: 29730228.
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    28. Naveed M, Siddiqui AA, Kowalski TE, Loren DE, Khalid A, Soomro A, Mazhar SM, Yoo J, Hasan R, Yalamanchili S, Tarangelo N, Taylor LJ, Adler DG. A Multicenter comparative trial of a novel EUS-guided core biopsy needle (SharkCore™) with the 22-gauge needle in patients with solid pancreatic mass lesions. Endosc Ultrasound. 2018 Jan-Feb; 7(1):34-40. PMID: 29451167.
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    29. Abbas AM, Strong AT, Diehl DL, Brauer BC, Lee IH, Burbridge R, Zivny J, Higa JT, Falcão M, El Hajj II, Tarnasky P, Enestvedt BK, Ende AR, Thaker AM, Pawa R, Jamidar P, Sampath K, de Moura EGH, Kwon RS, Suarez AL, Aburajab M, Wang AY, Shakhatreh MH, Kaul V, Kang L, Kowalski TE, Pannala R, Tokar J, Aadam AA, Tzimas D, Wagh MS, Draganov PV. Multicenter evaluation of the clinical utility of laparoscopy-assisted ERCP in patients with Roux-en-Y gastric bypass. Gastrointest Endosc. 2018 Apr; 87(4):1031-1039. PMID: 29129525.
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    30. Haseeb A, Siddiqui A, Taylor LJ, Mills A, Kowalski TE, Loren DE, Dahmus J, Yalamanchili S, Cao C, Canakis A, Mumtaz T, Parikh M, Adler DG. Use of fully covered self expanding metal stents for benign biliary etiologies: a large multi-center experience. Minerva Gastroenterol Dietol. 2017 Sep 05. PMID: 28875690.
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    31. Xu MM, Yin S, Siddiqui AA, Salem RR, Schrope B, Sethi A, Poneros JM, Gress FG, Genkinger JM, Do C, Brooks CA, Chabot JA, Kluger MD, Kowalski T, Loren DE, Aslanian H, Farrell JJ, Gonda TA. Comparison of the diagnostic accuracy of three current guidelines for the evaluation of asymptomatic pancreatic cystic neoplasms. Medicine (Baltimore). 2017 Sep; 96(35):e7900. PMID: 28858107.
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    32. Kwon RS, Davila RE, Mullady DK, Al-Haddad MA, Bang JY, Bingener-Casey J, Bosworth BP, Christie JA, Cote GA, Diamond S, Jorgensen J, Kowalski TE, Kubiliun N, Law JK, Obstein KL, Qureshi WA, Ramirez FC, Sedlack RE, Tsai F, Vignesh S, Wagh MS, Zanchetti D, Coyle WJ, Cohen J. EGD core curriculum. VideoGIE. 2017 Jul; 2(7):162-168. PMID: 29905301.
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    33. Forsberg F, Stanczak M, Lyshchik A, Loren D, O'Kane P, Siddiqui A, Kowalski TE, Miller C, Fox T, Liu JB, Eisenbrey JR. Subharmonic and Endoscopic Contrast Imaging of Pancreatic Masses: A Pilot Study. J Ultrasound Med. 2017 Jul 06. PMID: 28681437.
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    34. Cosgrove N, Siddiqui AA, Adler DG, Shahid H, Sarkar A, Sharma A, Kowalski TE, Loren D, Warndorf M, Chennat J, Munigala S, Papachristou GI. A Comparison of Bilateral Side-by-Side Metal Stents Deployed Above and Across the Sphincter of Oddi in the Management of Malignant Hilar Biliary Obstruction. J Clin Gastroenterol. 2017 Jul; 51(6):528-533. PMID: 27348319.
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    35. Yang J, Siddiqui AA, Kowalski TE, Loren DE, Khalid A, Soomro A, Mazhar SM, Rosé J, Isby L, Kahaleh M, Kalra A, Sarkisian AM, Kumta NA, Nieto J, Sharaiha RZ. Erratum to: Esophageal stent fixation with endoscopic suturing device improves clinical outcomes and reduces complications in patients with locally advanced esophageal cancer prior to neoadjuvant therapy: a large multicenter experience. Surg Endosc. 2017 Mar; 31(3):1420. PMID: 27677867.
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    36. El Chafic AH, Loren D, Siddiqui A, Mounzer R, Cosgrove N, Kowalski T. Comparison of FNA and fine-needle biopsy for EUS-guided sampling of suspected GI stromal tumors. Gastrointest Endosc. 2017 Jan 25. PMID: 28131864.
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    37. Kowalski T, Siddiqui A, Loren D, Mertz HR, Mallat D, Haddad N, Malhotra N, Sadowski B, Lybik MJ, Patel SN, Okoh E, Rosenkranz L, Karasik M, Golioto M, Linder J, Catalano MF, Al-Haddad MA. Management of Patients With Pancreatic Cysts: Analysis of Possible False-Negative Cases of Malignancy. J Clin Gastroenterol. 2016 Sep; 50(8):649-57. PMID: 27332745.
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    38. Siddiqui AA, Kowalski TE, Loren DE, Khalid A, Soomro A, Mazhar SM, Isby L, Kahaleh M, Karia K, Yoo J, Ofosu A, Ng B, Sharaiha RZ. Fully covered self-expanding metal stents versus lumen-apposing fully covered self-expanding metal stent versus plastic stents for endoscopic drainage of pancreatic walled-off necrosis: clinical outcomes and success. Gastrointest Endosc. 2016 Aug 24. PMID: 27566053.
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    39. Yang J, Siddiqui AA, Kowalski TE, Loren DE, Khalid A, Soomro A, Mazhar SM, Rosé J, Isby L, Kahaleh M, Kalra A, Sarkisian AM, Kumta NA, Nieto J, Sharaiha RZ. Esophageal stent fixation with endoscopic suturing device improves clinical outcomes and reduces complications in patients with locally advanced esophageal cancer prior to neoadjuvant therapy: a large multicenter experience. Surg Endosc. 2017 Mar; 31(3):1414-1419. PMID: 27495331.
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    40. Yang JF, Sharaiha RZ, Francis G, Karia K, Kistler CA, Laique SN, Hasan R, Gaidhane M, Tyberg A, Kahaleh M, Kowalski TE, Loren DE, Siddiqui A. Diagnostic accuracy of directed cholangioscopic biopsies and confocal laser endomicroscopy in cytology-negative indeterminate bile duct stricture: a multicenter comparison trial. Minerva Gastroenterol Dietol. 2016 Sep; 62(3):227-33. PMID: 27304199.
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    41. Korenblit J, Tholey DM, Tolin J, Loren D, Kowalski T, Adler DG, Davolos J, Siddiqui AA. Effect of the time of day and queue position in the endoscopic schedule on the performance characteristics of endoscopic ultrasound-guided fine-needle aspiration for diagnosing pancreatic malignancies. Endosc Ultrasound. 2016 Mar-Apr; 5(2):78-84. PMID: 27080605.
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    42. Loren D, Kowalski T, Siddiqui A, Jackson S, Toney N, Malhotra N, Haddad N. Influence of integrated molecular pathology test results on real-world management decisions for patients with pancreatic cysts: analysis of data from a national registry cohort. Diagn Pathol. 2016; 11(1):5. PMID: 26790950.
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    43. Cosgrove N, DiPalma J, Katz D, Kowalski T. A Rare Case of Acinar Cell Cystadenoma in a 14-Year-Old Adolescent: A Case Report. Case Rep Pancreat Cancer. 2016; 2(1):3-5. PMID: 30631807.
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    44. Siddiqui AA, Patel D, Kaplan J, Zabolotsky AH, Loren D, Kowalski T, Ghumman SS, Adler DG, Munigala S, Hayat U, Eloubeidi MA. Erratum to: A Trial of Rectal Indomethacin to Prevent Post-ERCP Pancreatitis in Patients with Suspected Type 3 Sphincter of Oddi Dysfunction. Dig Dis Sci. 2015 Nov; 60(11):3497. PMID: 26438337.
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    45. Siddiqui AA, Adler DG, Nieto J, Shah JN, Binmoeller KF, Kane S, Yan L, Laique SN, Kowalski T, Loren DE, Taylor LJ, Munigala S, Bhat YM. EUS-guided drainage of peripancreatic fluid collections and necrosis by using a novel lumen-apposing stent: a large retrospective, multicenter U.S. experience (with videos). Gastrointest Endosc. 2016 Apr; 83(4):699-707. PMID: 26515956.
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    46. Taunk P, Cosgrove N, Loren DE, Kowalski T, Siddiqui AA. Endoscopic ultrasound-guided gastroenterostomy using a lumen-apposing self-expanding metal stent for decompression of afferent loop obstruction. Endoscopy. 2015; 47 Suppl 1:E395-6. PMID: 26273778.
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    47. Al-Haddad MA, Kowalski T. Reply to barresi et Al. Endoscopy. 2015 Jun; 47(6):563. PMID: 26030893.
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    48. Al-Haddad MA, Kowalski T. Reply: To PMID 25314329. Gastroenterology. 2015 Jul; 149(1):251-2. PMID: 26028429.
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    49. Sharaiha RZ, DeFilippis EM, Kedia P, Gaidhane M, Boumitri C, Lim HW, Han E, Singh H, Ghumman SS, Kowalski T, Loren D, Kahaleh M, Siddiqui A. Metal versus plastic for pancreatic pseudocyst drainage: clinical outcomes and success. Gastrointest Endosc. 2015 Nov; 82(5):822-7. PMID: 25936453.
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    50. Siddiqui AA, Patel D, Kaplan J, Zabolotsky AH, Loren D, Kowalski T, Ghumman SS, Adler DG, Munigal S, Hayat U, Eloubeidi MA. A Trial of Rectal Indomethacin to Prevent Post-ERCP Pancreatitis in Patients with Suspected Type 3 Sphincter of Oddi Dysfunction. Dig Dis Sci. 2015 Aug; 60(8):2509-15. PMID: 25868629.
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    51. Siddiqui AA, Shahid H, Shah A, Khurana T, Huntington W, Ghumman SS, Loren DE, Kowalski TE, Laique S, Hayat U, Eloubeidi MA. High risk of acute pancreatitis after endoscopic ultrasound-guided fine needle aspiration of side branch intraductal papillary mucinous neoplasms. Endosc Ultrasound. 2015 Apr-Jun; 4(2):109-14. PMID: 26020044.
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    52. Al-Haddad MA, Kowalski T, Siddiqui A, Mertz HR, Mallat D, Haddad N, Malhotra N, Sadowski B, Lybik MJ, Patel SN, Okoh E, Rosenkranz L, Karasik M, Golioto M, Linder J, Catalano MF. Integrated molecular pathology accurately determines the malignant potential of pancreatic cysts. Endoscopy. 2015 Feb; 47(2):136-46. PMID: 25314329.
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    53. Shah RJ, Shah JN, Waxman I, Kowalski TE, Sanchez-Yague A, Nieto J, Brauer BC, Gaidhane M, Kahaleh M. Safety and efficacy of endoscopic ultrasound-guided drainage of pancreatic fluid collections with lumen-apposing covered self-expanding metal stents. Clin Gastroenterol Hepatol. 2015 Apr; 13(4):747-52. PMID: 25290534.
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    54. Shahid H, Korenblit J, Kowalski T, Loren DE, Siddiqui AA. Novel application of electrohydraulic lithotripsy probe in managing a refractory cystic duct bile leak. Gastrointest Endosc. 2014 Oct; 80(4):744-5. PMID: 25220517.
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    55. Siddiqui AA, Jones E, Andrade D, Shah A, Kowalski TE, Loren DE, Chipitsyna G, Arafat HA. Osteopontin splice variant as a potential marker for metastatic disease in pancreatic adenocarcinoma. J Gastroenterol Hepatol. 2014 Jun; 29(6):1321-7. PMID: 24548099.
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    56. Moses PL, Alnaamani KM, Barkun AN, Gordon SR, Mitty RD, Branch MS, Kowalski TE, Martel M, Adam V. Randomized trial in malignant biliary obstruction: Plastic vs partially covered metal stents. World J Gastroenterol. 2013 Dec 14; 19(46):8638-46. PMID: 24379581.
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    57. Siddiqui AA, Easler J, Strongin A, Slivka A, Kowalski TE, Muddana V, Chennat J, Baron TH, Loren DE, Papachristou GI. Hydrogen peroxide-assisted endoscopic necrosectomy for walled-off pancreatic necrosis: a dual center pilot experience. Dig Dis Sci. 2014 Mar; 59(3):687-90. PMID: 24282052.
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    58. Finkelstein SD, Bibbo M, Kowalski TE, Loren DE, Siddiqui AA, Solomides C, Ellsworth E. Mutational analysis of cytocentrifugation supernatant fluid from pancreatic solid mass lesions. Diagn Cytopathol. 2014 Aug; 42(8):719-25. PMID: 24265269.
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    59. Kahaleh M, Talreja JP, Loren DE, Kowalski TE, Poneros JM, Degaetani M, Raijman I, Sejpal DV, Patel S, Rosenkranz L, McNamara KN, Brijbassie A, Wang AY, Gaidhane M, Sethi A, Stevens PD. Evaluation of a fully covered self-expanding metal stent with flared ends in malignant biliary obstruction: a multicenter study. J Clin Gastroenterol. 2013 Nov-Dec; 47(10):e96-100. PMID: 23933803.
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    60. Kahaleh M, Brijbassie A, Sethi A, Degaetani M, Poneros JM, Loren DE, Kowalski TE, Sejpal DV, Patel S, Rosenkranz L, McNamara KN, Raijman I, Talreja JP, Gaidhane M, Sauer BG, Stevens PD. Multicenter trial evaluating the use of covered self-expanding metal stents in benign biliary strictures: time to revisit our therapeutic options? J Clin Gastroenterol. 2013 Sep; 47(8):695-9. PMID: 23442836.
      Citations:    
    61. Siddiqui A, Shahid H, Sarkar A, Cox K, Kowalski TE, Loren DE, Sharma A, Laing P, Birch M, Adler DG. Stage of hilar cholangiocarcinoma predicts recurrence of biliary obstruction in patients with metal stents. Clin Gastroenterol Hepatol. 2013 Sep; 11(9):1169-73. PMID: 23811239.
      Citations:    
    62. Siddiqui AA, Dewitt JM, Strongin A, Singh H, Jordan S, Loren DE, Kowalski T, Eloubeidi MA. Outcomes of EUS-guided drainage of debris-containing pancreatic pseudocysts by using combined endoprosthesis and a nasocystic drain. Gastrointest Endosc. 2013 Oct; 78(4):589-95. PMID: 23660566.
      Citations:    
    63. Beltz S, Sarkar A, Loren DE, Andrel J, Kowalski T, Siddiqui AA. Risk Stratification for the Development of Post-ERCP Pancreatitis by Sphincter of Oddi Dysfunction Classification. South Med J. 2013 May; 106(5):298-302. PMID: 23644636.
      Citations:    
    64. Siddiqui AA, Kowalski TE, Kedika R, Roy A, Loren DE, Ellsworth E, Adler D, Finkelstein SD. EUS-guided pancreatic fluid aspiration for DNA analysis of KRAS and GNAS mutations for the evaluation of pancreatic cystic neoplasia: a pilot study. Gastrointest Endosc. 2013 Apr; 77(4):669-70. PMID: 23498145.
      Citations:    
    65. Petersen BT, Kahaleh M, Kozarek RA, Loren D, Gupta K, Kowalski T, Freeman M, Chen YK, Branch MS, Edmundowicz S, Gluck M, Binmoeller K, Baron TH, Shah RJ, Kinney T, Ross W, Jowell P, Carr-Locke D. A multicenter, prospective study of a new fully covered expandable metal biliary stent for the palliative treatment of malignant bile duct obstruction. Gastroenterol Res Pract. 2013; 2013:642428. PMID: 23606835.
      Citations:    
    66. Patel D, Loren D, Kowalski T, Siddiqui AA. Pancreatic tuberculosis mimicking malignancy diagnosed with endoscopic ultrasound-guided fine needle aspiration. Endosc Ultrasound. 2013 Jan; 2(1):38-40. PMID: 24949364.
      Citations:    
    67. Siddiqui AA, Mehendiratta V, Loren D, Kowalski T, Fang J, Hilden K, Adler DG. Self-Expanding Metal Stents (SEMS) for Preoperative Biliary Decompression in Patients with Resectable and Borderline-Resectable Pancreatic Cancer: Outcomes in 241 Patients. Dig Dis Sci. 2013 Jun; 58(6):1744-50. PMID: 23179157.
      Citations:    
    68. Lewis JJ, Kowalski TE. Endoscopic ultrasound and fine needle aspiration in pancreatic cancer. Cancer J. 2012 Nov; 18(6):523-9. PMID: 23187838.
      Citations:    
    69. Korenblit J, Anantharaman A, Loren DE, Kowalski TE, Siddiqui AA. The role of endoscopic ultrasound-guided fine needle aspiration (eus-fna) for the diagnosis of intra-abdominal lymphadenopathy of unknown origin. J Interv Gastroenterol. 2012 Oct; 2(4):172-176. PMID: 23687604.
      Citations:    
    70. Siddiqui AA, Chaaya A, Shelton C, Marmion J, Kowalski TE, Loren DE, Heller SJ, Haluszka O, Adler DG, Tokar JL. Utility of the Short Double-Balloon Enteroscope to Perform Pancreaticobiliary Interventions in Patients with Surgically Altered Anatomy in a US Multicenter Study. Dig Dis Sci. 2013 Mar; 58(3):858-64. PMID: 22975796.
      Citations:    
    71. Siddiqui AA, Tholey D, Kedika R, Loren DE, Kowalski TE, Eloubeidi MA. Low but significant yield of endosonography in patients with suspected Sphincter of Oddi Dysfunction Type III with normal imaging studies. J Gastrointestin Liver Dis. 2012 Sep; 21(3):271-5. PMID: 23012668.
      Citations:    
    72. Finkelstein SD, Bibbo M, Loren DE, Siddiqui AA, Solomides C, Kowalski TE, Ellsworth E. Molecular analysis of centrifugation supernatant fluid from pancreaticobiliary duct samples can improve cancer detection. Acta Cytol. 2012; 56(4):439-47. PMID: 22846349.
      Citations:    
    73. Siddiqui AA, Sarkar A, Beltz S, Lewis J, Loren D, Kowalski T, Fang J, Hilden K, Adler DG. Placement of fully covered self-expandable metal stents in patients with locally advanced esophageal cancer before neoadjuvant therapy. Gastrointest Endosc. 2012 Jul; 76(1):44-51. PMID: 22726465.
      Citations:    
    74. Siddiqui AA, Fein M, Kowalski TE, Loren DE, Eloubeidi MA. Comparison of the influence of plastic and fully covered metal biliary stents on the accuracy of EUS-FNA for the diagnosis of pancreatic cancer. Dig Dis Sci. 2012 Sep; 57(9):2438-45. PMID: 22526586.
      Citations:    
    75. Hong SK, Loren DE, Rogart JN, Siddiqui AA, Sendecki JA, Bibbo M, Coben RM, Meckes DP, Kowalski TE. Targeted cyst wall puncture and aspiration during EUS-FNA increases the diagnostic yield of premalignant and malignant pancreatic cysts. Gastrointest Endosc. 2012 Apr; 75(4):775-82. PMID: 22317883.
      Citations:    
    76. Siddiqui AA, Mehendiratta V, Jackson W, Loren DE, Kowalski TE, Eloubeidi MA. Identification of cholangiocarcinoma by using the Spyglass Spyscope system for peroral cholangioscopy and biopsy collection. Clin Gastroenterol Hepatol. 2012 May; 10(5):466-71; quiz e48. PMID: 22178463.
      Citations:    
    77. Orfanidis NT, Loren DE, Santos C, Kennedy EP, Siddiqui AA, Lavu H, Yeo CJ, Kowalski TE. Extended follow-up and outcomes of patients undergoing pancreaticoduodenectomy for nonmalignant disease. J Gastrointest Surg. 2012 Jan; 16(1):80-7; discussion 87-8. PMID: 22058043.
      Citations:    
    78. Siddiqui AA, Mehendiratta V, Loren D, Hong SK, Kowalski T. Fully covered self-expandable metal stents are effective and safe to treat distal malignant biliary strictures, irrespective of surgical resectability status. J Clin Gastroenterol. 2011 Oct; 45(9):824-7. PMID: 21921846.
      Citations:    
    79. Siddiqui AA, Kowalski TE, Shahid H, O'Donnell S, Tolin J, Loren DE, Infantolino A, Hong SK, Eloubeidi MA. False-positive EUS-guided FNA cytology for solid pancreatic lesions. Gastrointest Endosc. 2011 Sep; 74(3):535-40. PMID: 21737075.
      Citations:    
    80. Siddiqui AA, Brown LJ, Hong SK, Draganova-Tacheva RA, Korenblit J, Loren DE, Kowalski TE, Solomides C. Relationship of pancreatic mass size and diagnostic yield of endoscopic ultrasound-guided fine needle aspiration. Dig Dis Sci. 2011 Nov; 56(11):3370-5. PMID: 21688127.
      Citations:    
    81. Petersen BT, Chennat J, Cohen J, Cotton PB, Greenwald DA, Kowalski TE, Krinsky ML, Park WG, Pike IM, Romagnuolo J. Multisociety guideline on reprocessing flexible GI endoscopes: 2011. Infect Control Hosp Epidemiol. 2011 Jun; 32(6):527-37. PMID: 21558764.
      Citations:    
    82. Multisociety guideline on reprocessing flexible gastrointestinal endoscopes: 2011. Gastrointest Endosc. 2011 Jun; 73(6):1075-84. PMID: 21628008.
      Citations:    
    83. Rogart JN, Loren DE, Singu BS, Kowalski TE. Cyst wall puncture and aspiration during EUS-guided fine needle aspiration may increase the diagnostic yield of mucinous cysts of the pancreas. J Clin Gastroenterol. 2011 Feb; 45(2):164-9. PMID: 20818233.
      Citations:    
    84. Toll AD, Kowalski T, Loren D, Bibbo M. The added value of molecular testing in small pancreatic cysts. JOP. 2010; 11(6):582-6. PMID: 21068490.
      Citations:    
    85. Kowalski T, Nathwani RA, Assis D, Salese L, Banwait K, Loren D. Post-sphincterotomy transampullary balloon dilation is a safe and effective technique. Dig Dis Sci. 2009 Mar; 54(3):670-4. PMID: 18594970.
      Citations:    
    86. Nathwani RA, Kenyon L, Kowalski T. Rosai-Dorfman disease of the colon. Gastrointest Endosc. 2008 Jul; 68(1):194-6. PMID: 18291397.
      Citations:    
    87. Nathwani RA, Kowalski T. Endoscopic stenting of esophageal cancer: the clinical impact. Curr Opin Gastroenterol. 2007 Sep; 23(5):535-8. PMID: 17762559.
      Citations:    
    88. Training in patient monitoring and sedation and analgesia. Gastrointest Endosc. 2007 Jul; 66(1):7-10. PMID: 17591466.
      Citations:    
    89. Sanaka MR, Kowalski TE, Brotz C, Yeo CJ, McCue P, Palazzo J. Solid serous adenoma of the pancreas: a rare form of serous cystadenoma. Dig Dis Sci. 2007 Nov; 52(11):3154-6. PMID: 17393319.
      Citations:    
    90. Sanaka MR, Kowalski TE. Cystic lymphangioma of the pancreas. Clin Gastroenterol Hepatol. 2007 Mar; 5(3):e10-1. PMID: 17368224.
      Citations:    
    91. Siddiqui AA, Loren D, Dudnick R, Kowalski T. Expandable polyester silicon-covered stent for malignant esophageal strictures before neoadjuvant chemoradiation: a pilot study. Dig Dis Sci. 2007 Mar; 52(3):823-9. PMID: 17253137.
      Citations:    
    92. Siddiqui AA, Kowalski T, Cohen S. Closure of a nonhealing gastrocutaneous fistula using an endoscopic clip. South Med J. 2007 Jan; 100(1):75-6. PMID: 17269533.
      Citations:    
    93. Cotton PB, Barkun A, Ginsberg G, Hawes RH, Atkin W, Bjorkman DJ, Dykes C, Elta G, Farrell J, Fleischer D, Ganz R, Glenn T, Janowski D, Johnson D, Kochman M, Kowalski T, Megibow AJ, McQuaid K, Sasa H, Thompson CC, Vargo J, Woods K. Diagnostic endoscopy: 2020 vision. Gastrointest Endosc. 2006 Sep; 64(3):395-8. PMID: 16923489.
      Citations:    
    94. Kowalski T, Edmundowicz S, Vacante N. Endoscopy unit form and function. Gastrointest Endosc Clin N Am. 2004 Oct; 14(4):657-66, viii. PMID: 15363770.
      Citations:    
    95. Fayad LM, Holland GA, Bergin D, Iqbal N, Parker L, Curcillo PG, Kowalski TE, Park P, Intenzo C, Mitchell DG. Functional magnetic resonance cholangiography (fMRC) of the gallbladder and biliary tree with contrast-enhanced magnetic resonance cholangiography. J Magn Reson Imaging. 2003 Oct; 18(4):449-60. PMID: 14508782.
      Citations:    
    96. Kowalski T, Kanchana T, Pungpapong S. Perceptions of gastroenterology fellows regarding ERCP competency and training. Gastrointest Endosc. 2003 Sep; 58(3):345-9. PMID: 14528206.
      Citations:    
    97. Fayad LM, Kowalski T, Mitchell DG. MR cholangiopancreatography: evaluation of common pancreatic diseases. Radiol Clin North Am. 2003 Jan; 41(1):97-114. PMID: 12630688.
      Citations:    
    98. tenBerge J, Hoffman BJ, Hawes RH, Van Enckevort C, Giovannini M, Erickson RA, Catalano MF, Fogel R, Mallery S, Faigel DO, Ferrari AP, Waxman I, Palazzo L, Ben-Menachem T, Jowell PS, McGrath KM, Kowalski TE, Nguyen CC, Wassef WY, Yamao K, Chak A, Greenwald BD, Woodward TA, Vilmann P, Sabbagh L, Wallace MB. EUS-guided fine needle aspiration of the liver: indications, yield, and safety based on an international survey of 167 cases. Gastrointest Endosc. 2002 Jun; 55(7):859-62. PMID: 12024141.
      Citations:    
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