Shagreen Patch

sha·green skin

an ovoid elevated nevoid plaque, skin-colored or occasionally pigmented, smooth or crinkled, appearing on the trunk or lower back in early childhood; sometimes seen with other signs of tuberous sclerosis.
Synonym(s): shagreen patch
An indurated flesh-coloured cluster of closely-set papules likened to shagreen, which is present on the back and lumbosacral region, in tuberous sclerosis and other mucocutaneous lesions—e.g., adenoma sebaceum—in a ‘butterfly’ pattern, hypopigmented macules, gingival and periungual fibromas.
References in periodicals archive ?
Diagnostic criteria for tuberous sclerosis complex (a,b) Major Features Minor Features Facial angiofibromas or forehead Multiple random pits in dental enamel plaque Ungual or periungual fibroma Hamartomatous rectal polyps More than three hypomelanotic Bone cysts macules Shagreen patch Cerebral white matter radial migration lines Multiple retinal nodular Gingival fibromas hamartomas Cortical tuberous lesion Nonrenal hamartoma Subependymal nodule Retinal achromic patch Subependymal giant cell "Confetti" skin lesions astrocytoma Cardiac rhabdomyoma(s) Multiple renal cysts Lymphangioleiomyomatosis Renal angiomyolipoma (a) Diagnosis (based on Rbach ES, Gomez MR, Northrup H.