Urology>>>>>Andrology
Question 2#

Regarding Balanitis xerotica obliterans (lichen sclerosus et atrophicus):

a. Extra genital involvement never occurs
b. Has possible auto-immune pathogenesis
c. 50% cases of penile cancer have BXO changes
d. It only effects older population
e. Is an autoimmune disorder

Correct Answer is B

Comment:

Answer B

Extra genital disease can occur, though in contrast to women, perianal disease is uncommon in men; 28% patients with penile carcinoma have histological changes of lichen sclerosis. The condition occurs in all ages.