NCIt synonyms : Struma Ovarii and Carcinoid; Strumal Carcinoid Neoplasm;
NCIt 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.;