Striae distensae HP:0001066 SNOMEDCT_US:201067006 UMLS:C0152459 Stretch marks MEDDRA:10040925 HP:0001065 HP:0001023 Purplish striae Striae cutis distensae HP:0100680 Striae atrophicae Thinned, erythematous, depressed bands of atrophic skin. Initially, striae appear as flattened and thinned, pinkish linear regions of the skin. Striae tend to enlarge in length and become reddish or purplish. Later, striae tend to appear as white, depressed bands that are parallel to the lines of skin tension. Striae distensae occur most often in areas that have been subject to distension such as the lower back, buttocks, thighs, breast, abdomen, and shoulders. SNOMEDCT_US:47212006 Striae SNOMEDCT_US:201066002 Dermal atrophy Lack of skin elasticity