9th June 2025

The genetic consultant decides to quiz the final year medical student on his last placement in the genetic clinic before graduating.

The genetic consultant decides to quiz the final year medical student on his last placement in the genetic clinic before graduating. A 30–year-old man who is a regular patient is brought in and the consultant asks the medical student to “describe the lesions”. The medical student says the patient has “flat hyperpigmented spots” and on fundoscopy “pigmented lesions within the iris”. What condition is he describing?

Select the SINGLE most appropriate option from the list below. Select ONE option only.