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.