Penis and scrotum - Leiomyoma

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Penis and scrotum

Benign Tumors

Leiomyoma

Editor: Antonio Cubilla, M.D. and Alcides Chaux, M.D. (See Reviewers page)

Revised: 23 February 2010, last major update - February 2010

Definition

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● Benign smooth muscle tumor resembling counterparts elsewhere, but very rare in penis

Sites

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● Glans, penile subcutaneous tissues or rarely deep erectile tissues (Int J Urol 2007;14:257)

Clinical features

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● Small, painless, slow growing mass in adults

Case reports

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● 12 year old boy with lesion on glans (Urologe A 2000;39:171)

● 42 year old man with 8 mm lesion on corona (Urology 2002;59:445)

Treatment

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● Excision, or possibly watchful waiting depending on site

Micro description (Histopathology)

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● Well demarcated smooth muscle tumor, similar to leiomyomas elsewhere

● No atypia, no mitotic activity

End of Penis and scrotum > Benign tumors > Leiomyoma

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