肉芽肿性皮肤松弛症(granulomatous slack skin,GSS)是一种极其罕见的皮肤T细胞淋巴瘤变异型,多发生于腋窝、腹股沟等有皮肤皱褶处。其临床以缓慢发生的红色斑丘疹,进而演变成巨大垂吊式肿块为主要特征。组织学上,表皮下异型淋巴细胞弥漫性浸润并克隆性增生,伴有中性粒细胞、嗜酸性粒 Granulomatous slack skin (granulomatous slack skin, GSS) is an extremely rare skin T-cell lymphoma variant, occurred in the armpits, groin and other skin folds. The clinical features of a slow-onset red rash that evolves into a huge hanging mass are the main features. Histologically, allogeneic lymphocytes diffusely infiltrate and clonally proliferate under the epidermis, with neutrophils, eosinophils