• Abdominal adhesions
• Abscess
• Acute appendicitis
• Acute cholecystitis
• Acute pancreatitis
• Acute pancreatitis (summary)
• Acute pyelonephritis
• Adenocarcinoma of the small bowel
• Apple core sign (colon)
• Arterial occlusive mesenteric ischemia
• Ascites
• Autoimmune pancreatitis
• Bladder cancer
• Bowel perforation (summary)
• Cecal volvulus
• Carcinoid tumor
• Cholangiocarcinoma
• Cholangitis
• Cholecystoduodenal fistula
• Choledocholithiasis
• Chronic pancreatitis
• Closed loop obstruction
• Colonic diverticulitis
• Colonic diverticulosis
• Colorectal cancer
• Colovesical fistula
• CT abdomen-pelvis (protocol)
• CT abdominal aorta (protocol)
• CT gastrointestinal bleed (protocol)
• CT intravenous contrast media
• CT four-phase liver (protocol)
• CT pancreas (protocol)
• CT protocol
• CT renal mass (protocol)
• CT severity index in acute pancreatitis
• CT triple-phase liver (protocol)
• CT urography (protocol)
• CT urography (protocol)
• Cystic lesions of the liver (differential)
• Delayed nephrogram
• Desmoid
• Diffuse large B-cell lymphoma
• Diverticular disease
• Diverticulitis
• Double duct sign
• Duodenal ulcer
• Emphysematous cystitis
• Emphysematous pyelitis
• Emphysematous pyelonephritis
• Eosinophilic gastroenteritis
• Epiploic appendagitis
• Erdheim-Chester disease
• Familial adenomatous polyposis
• Fat ring sign (mesenteric panniculitis)
• Femoral hernia
• Gallbladder perforation
• Gallstones
• Gallstone ileus
• Gallstone pancreatitis
• Gangrenous cholecystitis
• Gastric adenocarcinoma
• Gastric lymphoma
• Gastrointestinal fistulation
• Gastrointestinal stromal tumor
• Hepatic abscess
• Hepatic hemangioma
• Hepatic hydatid infection
• Hepatic inflammatory pseudotumor
• Hepatic metastases
• Hepatocellular carcinoma
• Hepatogastric ligament
• Hydatid disease
• Hypertriglyceridemia-induced pancreatitis
• Hypervascular metastases
• Hypervascular metastases (mnemonic)
• IgG4-related disease
• Infectious colitis
• Infective enteritis
• Infiltrative hepatocellular carcinoma
• Inguinal hernia
• Internal hernia
• Internal hernia due to gastric bypass surgery
• Intestinal angioedema
• Intussusception
• Ischemic colitis
• Jejunoileal diverticulitis
• Klatskin tumor
• Krukenberg tumor
• Large bowel lymphoma
• Linitis plastica
• Liposarcoma
• Liver lesions
• Lymph node enlargement
• Lymphoma
• Malignant peritoneal mesothelioma
• Malignant vs benign gastric ulcer (barium)
• Mass-forming intrahepatic cholangiocarcinoma
• Mucinous carcinoma of the colon
• Mucinous adenocarcinoma of the appendix
• Mucinous neoplasms of the appendix
• Muscle lymphoma
• Necrotizing pancreatitis
• Obstructive uropathy
• Obstructive uropathy
• Omental cake
• Omental infarction
• Ovarian borderline serous cystadenoma
• Ovarian serous cystadenocarcinoma
• Pancreatic cancer (staging)
• Pancreatic ductal adenocarcinoma
• Pancreatic metastases
• Pancreatic neuroendocrine tumors
• Pancreatic pseudocyst
• Pelvic inflammatory disease
• Peptic ulcer disease
• Perforated appendix
• Peritoneal metastases
• Pneumoperitoneum
• Portal vein thrombosis
• Psammoma bodies
• Pseudomyxoma peritonei
• Pylephlebitis
• Renal abscess
• Renal cell carcinoma
• Renal cell carcinoma staging
• Renal infarction
• Renal lymphoma
• Retroperitoneum
• Retroperitoneal fibrosis
• Roux-en-Y gastric bypass surgery
• Sarcoidosis
• Sclerosing mesenteritis
• Simple hepatic cyst
• Sigmoid volvulus
• Small bowel feces sign
• Small bowel ischemia
• Small bowel lymphoma
• Small bowel obstruction
• Small intestine diverticular disease
• Splenic lymphoma
• Splenosis
• Staghorn calculus (kidney)
• Synchronous (pathology)
• Tensile gallbladder fundus sign
• Transitional cell carcinoma (renal pelvis)
• Transitional cell carcinoma (ureter)
• Transitional cell carcinoma (urinary bladder)
• Transitional cell carcinoma (urinary tract)
• Tuberculous peritonitis
• Tubo-ovarian abscess
• Tumor thrombus
• Tumors of the small intestine
• Ulcerative colitis
• Urolithiasis
• Uterine leiomyoma
• Veno-occlusive disease

This activity was planned and authored by Michael Hartung who has no relevant financial relationships with ineligible companies to disclose.

The planning of this learning pathway was approved and overseen by the Radiopaedia Educational Board, who themselves had no relevant financial relationships with ineligible companies to disclose.

You can view Michael Hartung's current disclosures and read more about disclosures and ineligible companies here.

Prior to publication, this activity was:

• peer-reviewed by an expert without relevant financial relationships who has attested that clinical recommendations are evidence-based, free of commercial bias, and support safe, effective patient care 
• reviewed by a test audience without relevant financial relationships 

Read more about Radiopaedia's peer review policy

• Initial publication date: 05 Nov 2024
• Expiry date: 04 Nov 2027

All material that is accredited for AMA PRA Category 1 Credit(s)™ is periodically reviewed at least once every three years, or more frequently if indicated by new scientific developments, in line with ACCME and AMA guidelines to ensure it remains valid. 

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