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Authors: Safina Ahmed, M.B.B.S., Dilara Akbulut, M.D., Walid Ali, M.D., Adnan Alkurdi, M.D., Sam Amofa-Ho, M.D., Valentina Angerilli, M.D., Vidya Arole, M.D., Naziheh Assarzadegan, M.D., Nalini Bansal, M.D., Adrian C. Bateman, M.B.B.S., M.D. , Phoenix D. Bell, M.D., M.S., Isabella Bomfim, M.D., John Butterfield, M.D., Ph.D., Bindu Challa, M.D., Lina Chen, M.B.B.S., M.Sc., M.Med., Wei Chen, M.D., Ph.D., Kenrry Chiu, M.D., C.M., Yevgen Chornenkyy, M.D., M.Sc., Evandro Sobroza de Mello, M.D., Ph.D., Mona Deerwester, M.D., M.Sc., Chien-Kuang Cornelia Ding, M.D., Ph.D., David K. Driman, M.B.Ch.B., Andrew L.J. Dunn, M.D., Shaima N. Elgenaid, M.D., Anna Sarah Erem, M.D., Ashwini Kumar Esnakula, M.D., M.S., Matteo Fassan, M.D., Ph.D., Michael Feely, D.O., M.J. Fernández-Aceñero, M.D., Ph.D., Jennifer Findeis-Hosey, M.D., Giby V. George, M.D., Raul S. Gonzalez, M.D., Hanni Gulwani, M.B.B.S., Catherine E. Hagen, M.D., Gillian L. Hale, M.D., M.P.H., Saroona Haroon, M.B.B.S., Christopher Hartley, M.D., Lewis A. Hassell, M.D., David Hernandez Gonzalo, M.D., Masoumeh Peykan Heyraty, M.D., Rachel Horton, D.O., Zarrin Hossein-Zadeh, M.D., Aaron R. Huber, D.O., Danielle Hutchings, M.D., Shilpa Jain, M.D., Albina Joldoshova, M.D., Maria Kamal, M.D., Anmol Kang, M.B.B.S., Tulsi Kantu, Raj P. Kapur, M.D., Ph.D., Gagandeep Kaur, M.D., Enoch Kuo, M.D., Lili Lee, M.D., Karin S. Ludwig, M.D., Subramanya Sakaleshpura Mallikarjunappa, M.B.B.S., M.D., Carolina Martinez Ciarpaglini, M.D., Ph.D., Blaine A. Mathison, B.S., Audrey McCloskey, M.D., Gustavo Moreno, M.D., Helen T. Nguyen, D.O., Byoung Uk Park, M.D., Dustin W. Parsons, M.D., Ameya Patil, M.D., M.S., John D. Paulsen, M.D., Nat Pernick, M.D., Isma Perveze, M.D., Amber Petrolla, M.D., Maryam Kherad Pezhouh, M.D., M.Sc., Alexandros D. Polydorides, M.D., Ph.D., Varsha Prakash, M.D., M.S., Bobbi S. Pritt, M.D., M.Sc., Nicole E. Putnam, Ph.D., Amy Rapkiewicz, M.D., Luisa Ricaurte Archila, M.D., Arvind Rishi, M.D., M.B.B.S., Romil Saxena, M.B.B.S., M.D., David F. Schaeffer, M.D., Saba Shafi, M.D., Pauline Shih, M.D., Lei Sun, M.D., Ateeqa Mujeeb Ullah, M.D., Benjamin J. Van Treeck, M.D., Neha Varshney, M.D., Monika Vyas, M.D., Charles H. Wang, M.D., Elliot Weisenberg, M.D., Kwun Wah Wen, M.D., Ph.D., Jaehee Yang, M.Sc., Martha M. Yearsley, M.D., Osman Yilmaz, M.D., Feng Yin, M.D., Ph.D., Lizhi Zhang, M.D.

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Table of contents
General:anatomy & histology books diarrhea / dysentery grossing & features to report staging-carcinoma staging-neuroendocrine WHO classification
Congenital anomalies:atresia chronic intestinal pseudo-obstruction cyst of retrorectal space duplication Ehlers Danlos syndrome Hirschsprung disease intestinal neuronal dysplasia omphalocele
Muscular disorders:brown bowel syndrome congenital absence of muscularis propria (pending) scleroderma visceral myopathy (pending)
Diverticular disease:diverticulosis
Inflammatory bowel disease:Crohn's disease dysplasia inflammatory bowel disease, indeterminate type nonconventional dysplasia (pending) ulcerative colitis ulcerative proctitis
Noninfectious colitis:Behcet's syndrome Brainerd diarrhea chronic granulomatous disease collagenous colitis common variable immunodeficiency (CVID) diversion colitis diverticular colitis eosinophilic gastroenterocolitis focal active colitis graft versus host disease granulomatous colitis ischemic colitis lymphocytic colitis malakoplakia mast cell disorders necrotizing enterocolitis pseudomembranous colitis radiation enterocolitis typhlitis
Drug induced colitides:drug induced colitis - overview (pending) angiotensin receptor blocker (ARB) colitis (pending) anti-PD1 associated colitis chemotherapy induced colitis idelalisib associated ipilimumab associated colitis mycophenolate mofetil associated colitis NSAID associated colitis pill fragment associated colitis secukinumab induced colitis
Infectious colitis:actinomycosis acute self limited colitis adenovirus amebic colitis balantidiasis basidiobolomycosis Campylobacter jejuni Candida Chagas disease (trypanosomiasis) cytomegalovirus (CMV) COVID-19 associated colitis Cryptosporidium parvum Escherichia coli histoplasmosis HIV/AIDS associated intestinal spirochetosis Mycobacterium avium intracellulare salmonella (typhoid and nontyphoidal) sapovirus schistosomiasis sexually transmitted infectious colitis / proctitis shigella Strongyloides stercoralis trichuriasis tuberculosis Vibrio cholerae yersiniosis
Other nonneoplastic:adhesions amyloidosis apoptotic colopathy colitis cystica profunda elastofibromatous change endometriosis foreign materials / food gastric heterotopia idiopathic myointimal hyperplasia of mesenteric veins infarct infarcted epiploic appendages lifting agent granuloma melanosis coli pneumatosis cystoides intestinalis portal hypertensive colopathy pulse granuloma sclerosing mesenteritis solitary rectal ulcer syndrome stercoral ulcer tactile corpuscle-like bodies vascular ectasia vasculitis volvulus xanthoma
Molecular:APC gene chromosomal instability & MUTYH pathways microsatellite instability pathway POLD1 / POLE serrated pathway
Polyps:polyp overview aberrant crypt foci adenoma overview adenoma with invasive carcinoma hyperplastic polyp inflammatory polyp inflammatory cap polyp inflammatory fibroid polyp juvenile (retention) polyp lymphoid polyp mucosal prolapse polyp serrated lesions - general sessile serrated adenoma traditional serrated adenoma tubular adenoma tubulovillous / villous adenoma
Syndromes:Cowden syndrome Cronkhite-Canada syndrome familial adenomatous polyposis, classic familial adenomatous polyposis, attenuated Gardner syndrome hereditary mixed polyposis syndrome juvenile polyposis syndrome Lynch syndrome Muir-Torre syndrome MUTYH associated polyposis Peutz-Jeghers syndrome serrated polyposis Turcot syndrome
Carcinoma:colon carcinoma overview posttreatment changes intramucosal carcinoma adenocarcinoma adenoma-like adenocarcinoma adenosquamous carcinoma colorectal enteroblastic adenocarcinoma (pending) hepatoid carcinoma IBD associated low grade tubuloglandular adenocarcinoma lymphoglandular complex-like colorectal carcinoma medullary carcinoma micropapillary carcinoma mucinous adenocarcinoma serrated adenocarcinoma (SAC) signet ring cell carcinoma squamous cell carcinoma
Neuroendocrine tumors:mixed neuroendocrine nonneuroendocrine neoplasm poorly differentiated neuroendocrine carcinoma well differentiated neuroendocrine tumor
Mesenchymal tumors:angiosarcoma (pending) ganglioneuroma ganglioneuromatosis gastrointestinal stromal tumor hemangioma idiopathic retroperitoneal fibrosis inflammatory myofibroblastic tumor Kaposi sarcoma leiomyoma leiomyosarcoma lipoma mucosal Schwann cell hamartoma perineurioma pyogenic granuloma reactive nodular fibrous pseudotumor schwannoma
Other tumors:mantle cell lymphoma metastases
Colon stains:   adenovirus CDX2 CK20 CMV chromogranin colon cancer biomarker testing (including MSI / Lynch) HER2 colon INSM1 Ki67 MLH1 MSH1 MSH2 MSH6 p53 PMS2 SATB2 synaptophysin Treponema pallidum IHC

Superpages: entire chapterimagesvirtual slides
Index (Alphabetical table of contents)
A-E:aberrant crypt foci actinomycosis acute self limited colitis adenocarcinoma adenoma overview adenoma with invasive carcinoma adenoma-like adenocarcinoma adenosquamous carcinoma adenovirus adhesions amebic colitis amyloidosis anatomy & histology angiosarcoma (pending) angiotensin receptor blocker (ARB) colitis (pending) anti-PD1 associated colitis APC gene apoptotic colopathy atresia balantidiasis basidiobolomycosis Behcet's syndrome Brainerd diarrhea brown bowel syndrome Campylobacter jejuni Candida Chagas disease (trypanosomiasis) chemotherapy induced colitis chromosomal instability & MUTYH pathways chronic granulomatous disease chronic intestinal pseudo-obstruction colitis cystica profunda collagenous colitis colon carcinoma overview colorectal enteroblastic adenocarcinoma (pending) common variable immunodeficiency (CVID) congenital absence of muscularis propria (pending) COVID-19 associated colitis Cowden syndrome Crohn's disease Cronkhite-Canada syndrome Cryptosporidium parvum cyst of retrorectal space cytomegalovirus (CMV) diarrhea / dysentery diversion colitis diverticular colitis diverticulosis drug induced colitis - overview (pending) duplication dysplasia Ehlers Danlos syndrome elastofibromatous change endometriosis eosinophilic gastroenterocolitis Escherichia coli
F-N:familial adenomatous polyposis, attenuated familial adenomatous polyposis, classic focal active colitis foreign materials / food ganglioneuroma ganglioneuromatosis Gardner syndrome gastric heterotopia gastrointestinal stromal tumor graft versus host disease granulomatous colitis grossing & features to report hemangioma hepatoid carcinoma hereditary mixed polyposis syndrome Hirschsprung disease histoplasmosis HIV/AIDS associated hyperplastic polyp IBD associated idelalisib associated idiopathic myointimal hyperplasia of mesenteric veins idiopathic retroperitoneal fibrosis infarct infarcted epiploic appendages inflammatory bowel disease, indeterminate type inflammatory cap polyp inflammatory fibroid polyp inflammatory myofibroblastic tumor inflammatory polyp intestinal neuronal dysplasia intestinal spirochetosis intramucosal carcinoma ipilimumab associated colitis ischemic colitis juvenile (retention) polyp juvenile polyposis syndrome Kaposi sarcoma leiomyoma leiomyosarcoma lifting agent granuloma lipoma low grade tubuloglandular adenocarcinoma lymphocytic colitis lymphoglandular complex-like colorectal carcinoma lymphoid polyp Lynch syndrome malakoplakia mantle cell lymphoma mast cell disorders medullary carcinoma melanosis coli metastases micropapillary carcinoma microsatellite instability pathway mixed neuroendocrine nonneuroendocrine neoplasm mucinous adenocarcinoma mucosal prolapse polyp mucosal Schwann cell hamartoma Muir-Torre syndrome MUTYH associated polyposis Mycobacterium avium intracellulare mycophenolate mofetil associated colitis necrotizing enterocolitis nonconventional dysplasia (pending) NSAID associated colitis
O-Z:omphalocele perineurioma Peutz-Jeghers syndrome pill fragment associated colitis pneumatosis cystoides intestinalis POLD1 / POLE polyp overview poorly differentiated neuroendocrine carcinoma portal hypertensive colopathy posttreatment changes pseudomembranous colitis pulse granuloma pyogenic granuloma radiation enterocolitis reactive nodular fibrous pseudotumor salmonella (typhoid and nontyphoidal) sapovirus schistosomiasis schwannoma scleroderma sclerosing mesenteritis secukinumab induced colitis serrated adenocarcinoma (SAC) serrated lesions - general serrated pathway serrated polyposis sessile serrated adenoma sexually transmitted infectious colitis / proctitis shigella signet ring cell carcinoma solitary rectal ulcer syndrome squamous cell carcinoma staging-carcinoma staging-neuroendocrine stercoral ulcer Strongyloides stercoralis tactile corpuscle-like bodies traditional serrated adenoma trichuriasis tuberculosis tubular adenoma tubulovillous / villous adenoma Turcot syndrome typhlitis ulcerative colitis ulcerative proctitis vascular ectasia vasculitis Vibrio cholerae visceral myopathy (pending) volvulus well differentiated neuroendocrine tumor WHO classification xanthoma yersiniosis
Colon books

Arnold: 2019

Arnold: 2014

Greenson: 2019

IARC: 2019

Jouret-Mourin: 2018

Montgomery: 2024

Odze: 2022

Srivastava: 2023

Voltaggio: 2024

Yantiss: 2021



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