Acute appendicitis
Roux limb obstruction
Angiodysplasia - cecal active bleed
Appendix - normal appearances on US
Small bowel obstruction - active Crohn disease
Distal intestinal obstruction syndrome
J-pouch procedure - Crohn disease
Pancreatic neuroendocrine tumor - cystic
Cecal adenocarcinoma
Cecal volvulus
Squamous cell carcinoma of the rectum
Low-grade appendiceal mucinous neoplasm
Achalasia
Retroperitoneal fibrosis
Pancreatic ductal adenocarcinoma (MRCP)
Pancreatic ductal adenocarcinoma and IPMN
Pancreatic adenocarcinoma - borderline resectable
Von Hippel-Lindau disease - bilateral pheochromocytomas
Ileocolic intussusception - lipoma
Tuberculous lymphadenitis - abdomen
Rectal mantle cell lymphoma
Pancreas ductal adenocarcinoma - unresectable
Crohn disease - duodenum
Insulinoma
Gastrointestinal stromal tumor (GIST) - gastric
B-cell lymphoma of the mesentery
Distal intestinal obstruction syndrome
Autoimmune pancreatitis
Sacrococcygeal chronic osteomyelitis - fistulising Crohn disease
Gastric leiomyoma
Cecal adenocarcinoma
Pancreatic serous cystadenoma
Gastrointestinal stromal tumor (GIST) - duodenum
Upper esophageal diverticulum
Gastroinstestinal stromal tumor (GIST) - esophageal
Anovaginal fistula
Whirlpool sign - mesentery
Rectal cancer - T3c N1
Pancreatic sarcoidosis
Perforated duodenal diverticulum
Tubulovillous adenoma of the rectum
Ischemic colitis
Metastatic melanoma - small bowel
Synchronous colorectal carcinomas
Rectal adenocarcinoma - metastatic
Perianal abscess
Anovaginal fistula
Gastrointestinal stromal tumor (GIST) - duodenojejunal flexure
Ulcerative colitis
Appendix - normal appearances on US
Thumbprinting sign
Squamous cell carcinoma of the anal canal
Small bowel contusion
Goblet cell carcinoid of the appendix
Low-grade appendiceal mucinous neoplasm
Perianal transsphincteric fistulas - Crohn disease
Crohn disease (terminal ileum active inflammation and strictures)
Crohn disease - colitis and large bowel stricture
Small bowel infarction secondary to SMV thrombosis
Crohn disease
Incarcerated femoral hernia
Small bowel perforation - penetrating foreign body
Multiple abdominal viscera thromboembolic infarcts
Perforated gastric ulcer
Bleeding duodenal ulcer
Complicated diverticulitis (pericolic abscess)
Sigmoid colon adenocarcinoma
Seatbelt sign
Ileoileal intussusception secondary to small bowel GIST
Chilaiditi sign
Hemorrhagic pancreatitis
Transverse colon diverticulitis
Cecal volvulus
Pancreatic calcifications - abdominal radiograph
Anastomotic stricture post Ivor Lewis esophagectomy
Necrotizing pancreatitis
Ulcerative colitis
Small bowel obstruction due to inguinal incarceration
Ogilvie syndrome
Lower gastrointestinal bleeding
Cecum hernia through the foramen of Winslow
Neutropenic enterocolitis
Pseudopneumoperitoneum
Paraesophageal omental hernia
Crohn ileitis and sacroiliitis
Crohn disease - portal vein thrombosis
Colonic self-expandable metal stent
Perforated appendicitis
Neutropenic colitis
Chilaiditi syndrome
Intestinal malrotation
Subhepatic cecum
Esophageal squamous cell carcinoma
Diverticulitis
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