In an uncircumcised male, retraction of the foreskin may reveal a cheesy white substance. This is usually:
a. evidence of a fungal infection.
b. a collection of sebaceous material.
c. indicative of penile carcinoma.
d. suggestive of diabetes.
B
In the uncircumcised male, smegma is formed by the secretion of sebaceous material by the glans and the desquamation of epithelial cells from the prepuce. It appears as a cheesy white substance on the glans and in the fornix of the foreskin. Smegma lubricates the cavity between the foreskin of the penis and the glans, allowing smooth movement between them during intercourse. It is not usually evidence of a fungal infection, penile carcinoma, or diabetes.
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