Genital leiomyomas include vulval, scrotal
and nipple leiomyomas. These are noted in adults
Vulval leiomyomas are located in labia majora.
Scrotal leiomyoma arises from dartos muscle.
Nipple leiomyoma arises from areolar smooth muscle.
Microscopically , scrotal leiomyomas are ill defined focally
infiltrative lesions. These are more cellular lesions with occasional
mitosis and may be associated with lymphoid aggregates. Degenerative
atypical nuclear features may be present.
Vulvar leiomyomas are well circumscribed lesions characterized by
fascicles of spindle cells and myxohyaline degeneration.
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