Overview
Carcinoid tumors are slow-growing neuroendocrine tumors in the colon.
Symptoms
- •Abdominal pain
- •Bleeding
- •Obstruction (rare)
- •Carcinoid syndrome (very rare)
Diagnosis
- ✓Colonoscopy
- ✓Biopsy
- ✓Octreotide scan
- ✓Chromogranin A
Treatments
- →Surgical resection
- →Somatostatin analogs (if metastatic)
Risk Factors
⚠️Unknown
Key Facts
- ℹ️Rare in colon
- ℹ️Better prognosis than adenocarcinoma
ICD-10: C18.0 | Prevalence: nadir
Last updated: 11/9/2025