What is a shagreen patch?


Fibromatous plaque on the forehead of a patient with tuberous sclerosis.
Fig. 5.7 Fibromatous plaque on the forehead of a patient with tuberous sclerosis.
An irregularly thickened, slightly elevated, fleshcolored plaque consisting of collagen. It is most commonly located over the lumbosacral area. Fibromatous plaques are also frequently found on the forehead (Fig. 5-7).