bathing trunks nevus

bath·ing trunks ne·vus

Avoid the irrational variant bathing trunk nevus.
a large hairy congenital pigmented nevus with a predilection for the entire lower trunk; malignant melanoma may develop in childhood.

bath·ing trunks ne·vus

(bādh'ing trŭngkz nē'vŭs)
A large hairy congenital pigmented nevus with a predilection for the entire lower trunk; melanoma may develop in childhood.