Imaging in Gastroenterology

Gastrointestinal Stromal Tumors (GIST)

KEY FACTS Terminology Submucosal tumor of gastrointestinal (GI) tract derived from interstitial cells of Cajal Gastrointestinal stromal tumor (GIST) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are…

Barotrauma

KEY FACTS Terminology Alveolar rupture caused by elevated transalveolar pressure during mechanical ventilation Imaging CT is the definitive test for presence & source of extraluminal gas Pleural spaces, mediastinum, subcutaneous, intra- and retroperitoneal, bowel wall Radiographic findings Pneumothorax – Radiolucent…

Foreign Bodies

KEY FACTS Imaging Ingested foreign bodies Commonly affect children, developmentally challenged or psychiatric patients, and inebriated adults Most ingested foreign bodies traverse GI tract without problem: < 1% cause obstruction or perforation – Elongated or sharp objects may impact at point…

Abdominal Trauma

KEY FACTS Imaging CT of chest, abdomen, and pelvis can be performed in < 1 minute of scan time Multiplanar, multiphasic CECT shows extent of bowel and solid visceral injuries and bleeding Evaluation of brain and spine injuries can be…

Cystic Fibrosis

KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Eosinophilic Gastroenteritis and Esophagitis

KEY FACTS Terminology Inflammatory disease of GI tract characterized by tissue eosinophilia that can involve all layers of wall "Eosinophilic gastroenteritis" is misnomer; can affect any portion of GI tract Requires 4 criteria for diagnosis Presence of GI symptoms Biopsy…

Sarcoidosis

KEY FACTS Terminology Relatively common, chronic, multisystem disease of unknown origin characterized by presence of noncaseating epithelioid granulomas Imaging Contrast-enhanced CT of chest and abdomen is most efficient imaging study Can affect almost every organ Most common site of involvement…

Vasculitis

KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here