Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D013798
http://purl.bioontology.org/ontology/MESH/D013798
Preferred Name

Thecoma

Definitions
A gonadal stromal neoplasm composed only of THECA CELLS, occurring mostly in the postmenopausal OVARY. It is filled with lipid-containing spindle cells and produces ESTROGENS that can lead to ENDOMETRIAL HYPERPLASIA; UTERINE HEMORRHAGE; or other malignancies in postmenopausal women and sexual precocity in girls. When tumors containing theca cells also contain FIBROBLASTS, they are identified as thecoma-fibroma tumors with less active hormone production.
Synonyms
Theca Cell Tumors
Tumor, Theca Cell
Thecomas
Theca Cell Tumor
Tumors, Theca Cell
Type http://www.w3.org/2002/07/owl#Class
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