- Phimosis is the inability to retract the foreskin over the glans.
- It is common in children, e.g. < 1 year of age and "physiologic". By age 17%, 99% of males can retract their foreskin.
- “Pathologic phimosis”, or phimosis extending into puberty is of concern and is most commonly due to lichen sclerosus.
- Acquired phimosis is caused by lichen sclerosus in (at least) 80-90% of cases.
The patient is unable to retract the foreskin over the glans.
“Pathologic phimosis” is best treated with a topical corticosteroid, e.g., clobeatasol before surgical circumcision is considered. Often, surgery is not needed.
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