Gorlin syndrome (nevoid basal cell carcinoma syndrome) is characterized by all of the following EXCEPT:

Correct answer: D. Calcified crista galli (falx cerebri is the correct structure)

• A. Multiple odontogenic keratocysts (OKC) — often the first manifestation — are a defining feature.
• B. Bifid ribs are a cardinal feature of Gorlin syndrome.
• C. Multiple basal cell carcinomas (BCCs) develop early in life — characteristic of Gorlin syndrome.
• D. Correct answer as the exception. Gorlin syndrome features: multiple OKCs, multiple basal cell carcinomas, bifid ribs, and CALCIFIED FALX CEREBRI (not crista galli). The calcified falx cerebri is a classic radiographic finding. Know the correct anatomical term.