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| accessdate=2007-12-13
}}</ref> Adult males with a non-retractable foreskin who are sexually active may want to have the phimotic condition corrected. (For conservative treatment options, see [[phimosis]].)
Bissada ''et al''. (1986) report cancer forms on the [[circumcision scar]].<ref name="bissada1986">{{REFjournal
|last=Bissada
|first=NK
|author-link=
|last2=Morcos
|first2=RR
|author2-link=
|last3=el-Senoussi
|first3=M
|author3-link=
|etal=no
|title=Post-circumcision carcinoma of the penis. I. Clinical aspects
|trans-title=
|language=
|journal=J Urol
|location=
|date=1986-02
|volume=135
|issue=2
|pages=283-5
|url=http://www.cirp.org/library/disease/cancer/bissada1/
|quote=
|pubmedID=3944860
|pubmedCID=
|DOI=10.1016/s0022-5347(17)45614-x
|accessdate=2020-02-10
}}</ref> Circumcision may now be considered a risk factor for penile cancer.
== Circumcision as prevention ==
The myth that circumcision rendered males immune to penile cancer was invented in 1932 by a New York doctor named [[Abraham L. Wolbarst]], M.D.<ref>Wolbarst, AL. Circumcision and penile cancer. ''Lancet'' 1932; 150-3.</ref> Wolbarst wrote an article that was published in ''The Lancet'' in 1932, implicating human male [[smegma]] as carcinogenic.<ref>Wolbarst A. Circumcision and Penile Cancer. The Lancet, vol. 1 no. 5655 (January 16, 1932): pp. 150-153.</ref> His hypothesis had absolutely no basis in valid scientific and epidemiological research.<ref>Fleiss PM, Hodges F. [http://www.cirp.org/library/disease/cancer/fleiss/ Neonatal circumcision does not protect against cancer]. ''BMJ'' 1996;312(7033):779-80.</ref> Wolbarst was directly responsible for proliferation of this myth, and all subsequent repetions repetitons of it can be traced to his opinion article, although Wolbarst himself advocated universal neonatal circumcision principally as a preventive for epilepsy, paralysis, and [[masturbation]].<ref>Fleiss PM, Hodges F. [http://www.cirp.org/library/disease/cancer/fleiss/ Neonatal circumcision does not protect against cancer]. ''BMJ'' 1996;312(7033):779-80.</ref>
Wolbarst's opinion piece led to the perpetuation of the myth that penile cancer could not happen to males that were circumcised in infancy. This myth was completely disproven when Boczko ''et al''. (1979) reported the 9th documented case of penile cancer in a man who had been circumcised in infancy from the time of Wolbarst's opinion piece to the time of the report in 1968 (though they would maintain that "performing [circumcision] in infancy continues to be the most effective prophylactic measure against penile carcinoma").<ref>Boczko S, Freed S. [http://www.cirp.org/library/disease/cancer/boczko/ Penile carcinoma in circumcised males]. ''N Y State J Med'' 1979; 79(12):1903-4.</ref> Boczko ''et al''. wrote: ''"The diagnosis in our patient was made late, as in the other cases reported, perhaps because the disease was presumed not to occur in those circumcised in infancy. This is clearly not so. Although rare, the diagnosis must be considered when evaluating a penile lesion even in a circumcised individual."''