Penis and scrotum
Reviewers: Antonio Cubilla, M.D. and Alcides Chaux, M.D. (see Author/Reviewers page)
Revised: 20 February 2010, last major update February 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
● Condition in which the foreskin cannot be easily advanced over glans and becomes trapped between coronal sulcus and glans corona
● May be secondary to forceful retraction of phimotic foreskin over glans, causing marked swelling which blocks replacement of foreskin
● Painful, associated with urinary retention and constriction
● Edema due to obstruction rarely causes penile ischemia and infarction
● One of the few male GU emergencies (others are priapism, testicular torsion, Fournier's gangrene)
● Phimosis: leads to a circular scar, which can form a tourniquet when foreskin is retracted, preventing proper venous and lymphatic drainage
● Iatrogenic: medical staff fails to reduce foreskin after urethral catheterization or genital exam
● Poor urogenital hygiene, chronic balanoposthitis, genital piercing (West J Emerg Med 2009;10:281)
End of Penis and scrotum > Inflammatory Lesions > Paraphimosis
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