Penis and scrotum - Transitional papilloma of fossa navicularis

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Penis and scrotum

Benign Tumors

Transitional papilloma of fossa navicularis

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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● Rare tumor resembling bladder papilloma (click here)

● Fossa navicularis is portion of urethra in glans

Terminology

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● Also called urothelial papilloma

Etiology

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● Evidence of HPV infection in some cases

Case reports

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● Two cases with histologic features of HPV (Virchows Arch 2003;442:601)

● HPV6+ case (Int J Urol 1998;5:296)

Micro description (Histopathology)

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● Similar to urothelial papilloma of bladder

End of Penis and scrotum > Benign tumors > Transitional papilloma of fossa navicularis

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