Malignant Leydig cell tumor
Malignant Leydig cell tumor
Definition
A Leydig cell tumor characterized by large tumor size, the presence of cytologic atypia, increased mitotic activity, necrosis, and vascular invasion. Approximately 10% of the testicular Leydig cell tumors show malignant characteristics and metastasize. Leydig cell tumors of the ovary follow a benign clinical course.
Also known as cancer of Leydig cell, Leydig cell cancer, Leydig cell tumor, malignant, malignant interstitial cell neoplasm, malignant Leydig cell neoplasm, malignant neoplasm of Leydig cell — per MONDO
Also identified as
Affected Organs
| Organ | Involvement | Source |
|---|---|---|
| Genitourinary system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Reproductive system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |