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Penis and scrotum
Infectious disorders
Cellulitis
Reviewers: Antonio Cubilla, M.D. and Alcides Chaux, M.D. (see Author/Reviewers page)
Revised: 17 February 2010, last major update February 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● Infection of skin of penis
Epidemiology
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● More common in newborns and immunosuppressed patients
Etiology
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● Usually caused by group A streptococcus; also staphylococci, group B streptotoccus, gram negative organisms
● Deep infections caused by Neisseria gonorrhoeae
● Mixed infections occur as complication of gonorrhea or in debilitated individuals
Clinical features
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● Usually involves scrotum
● May have dysuria due to pain and swelling
● Associated with genital lymphangioma (Int J Dermatol 2006;45:800)
Case reports
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● Necrotizing cellulitis associated with protein S deficiency (Clin Exp Dermatol 1993;18:305)
Treatment
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● Amoxicillin or other oral antibiotics; rarely IV antibiotics or surgery (circumcision)
Clinical images
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Acute erythema and edema of
penis and scrotum
Micro description (Histopathology)
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● Severe non-specific chronic or mixed inflammatory infiltrate
End of Penis and scrotum > Infectious disorders > Cellulitis
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