Reviewers: Komal Arora, M.D., (see Reviewers page)
Revised: 21 April 2012, last major update March 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Very rare, < 10 cases described
● Most commonly located in the bladder and urethra of males
● Most likely represents the persistence of embryonic structures (Histopathology 2011;58:750)
● Cervical cases are incidental (2 patients) or present in cone biopsy for high grade dysplasia
● May be similar to multilocular prostatic cystadenoma, although distinct from prostate
● Prostatic differentiation in ovarian mesonephric remnants has also been described (Am J Surg Pathol 1999;23:232)
● 24 year old man with bladder mass (Indian J Urol 2008;24:564)
● 78 year old man with presacral mass (Arch Pathol Lab Med 2000;125:286)
● Etopic prostatic tissue in uterine cervix (Am J Surg Pathol 2000;24:1224) (Am J Surg Pathol 2001;25:1215)
● Ducts and acini, some papillary or cribriform, with prominent squamous metaplasia
● PSA, PAP, high molecular weight keratin (for basal cells)
End of Prostate > Benign lesions/conditions > Ectopic prostate
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