Strumal Carcinoid

**Semantic type:** Neoplastic Process

**Definition:** An ovarian neoplasm characterized by the presence of aberrant thyroid tissue and a carcinoid tumor. A minority of patients develop symptoms of functioning thyroid tissue. The neuroendocrine carcinoid cells infiltrate the aberrant thyroid tissue and progressively replace the follicular lining cells.

**Synonyms:** - Struma Ovarii and Carcinoid - Struma ovarii and carcinoid - Strumal carcinoid