Small Bowel CT Appearances
Small Bowel GIST Tumor CT Findings
- Intramural mass when small
- Can grow endoluminal or exophytic
- Often central ulceration and/or necrosis
- Do not usually produce significant adenopathy
- 3D CT is especially useful in determining organ of origin
Other Information About Small Bowel GIST Tumors
Etiology:
- Unknown
- Linked to NF1 and Carney-Stratakis Syndrome
Epidemiology:
- Most commonly seen in patients over 50 years
Presentation:
- Typically asymptomatic
- Abdominal pain
- Palpable mass
- Fatigue
- Nausea and/or vomiting
- Hematemesis and/or hematochezia
- Early satiety and/or anorexia
- Weight loss
Prognosis:
- The 5-year relative survival rate for all GIST tumors is:
- Localized: 95%
- Regional: 84%
- Distant: 52%
- All SEER stages combined: 85%
Related Pearls: Small Bowel GIST Tumors
Related Lectures:
CT of Small Bowel Tumors: Detection & Classification Part 2
CT Evaluation of Small Bowel Tumors: Detection & Classification - Part 2
CT of the Acute Abdomen: GI Applications - Part 2
CT Evaluation of GI Bleeding - Part 3
CT Evaluation of GI Bleeding - Part 2
CT Evaluation of Suspected SBO: State of the Art 2024 - Part 1