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Penis and scrotum
Non-neoplastic lesions of scrotum
Tunica albuginea cysts
Editors: Antonio Cubilla, M.D. and Alcides Chaux, M.D.
Revised: 20 May 2010, last major update May 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● Benign cystic lesions that may be confused with testicular tumors
Sites
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● Anterior and lateral aspect of the testis
Etiology
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● Mesothelial rests trapped during embryonic development (J Urol 1975;114:730)
Clinical features
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● Tumor or painful swelling
● Incidental finding in some cases
Case reports
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● Report of 3 cases (Arch Androl 2004;50:89)
Gross description (Macroscopy)
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● Cystic lesions with clear fluid
● Connected to the tunica albuginea
Gross images
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Cyst of tunica albuginea 61 year old man
Micro description (Histopathology)
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● Cysts lined by low cuboidal or columnar cells, may be ciliated
● Gland-like structures in fibrous walls and tunica albuginea
● May contain psammoma bodies (Int J Urol 2001;8:520)
Micro images
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Cyst of tunica albuginea
End of Penis and scrotum > Non-neoplastic lesions of scrotum > Tunica albuginea cysts
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