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Rectal Neuroendocrine Tumour with an Aggressive Behaviour
Summary
Rectal neuroendocrine tumors (NETs) are rare but can be aggressive. Advanced stage and high Ki-67 index indicate a poor prognosis, highlighting the need for immunohistochemistry in diagnosis.
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Neuroendocrine tumors (NETs) are rare epithelial neoplasms with variable prognosis.
- Increasing incidence of rectal NETs linked to improved colonoscopy and screening.
- Rectal NETs present diagnostic and therapeutic challenges due to unique biological characteristics.

