atypical carcinoid

atypical carcinoid

An intermediate form of neuroendocrine tumour between low-grade malignant (typical carcinoid) and high-grade small cell carcinoma.

Prognosis
Nodal metastases in 70% (vs. 5% for carcinoids); 5-year survival is 60%.

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atypical carcinoid

An intermediate form of neuroendocrine tumor between low-grade malignant–typical carcinoid and high-grade small cell carcinoma. See Carcinoid, Small cell carcinoma.

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.