myomelanocytic tumor

Definition : The clear cell myomelanocytic tumor (CCMMT) is a recently reported and very rare member of the perivascular epithelioid cell family of tumors (PEComa ).

Localization

 falciform ligament/ligamentum teres
 bladder (vesical clear cell myomelanocytic tumor)
 thigh (12023589)

Immunohistochemistry

 smooth muscle actin+ (SMA+ )
 HMB-45+
 microphthalmia transcription factor+ (MITF+ )

See also

 clear cell tumors