Landers Maeran C, Schroeder Theresa L
Department of Dermatology, Oregon Health & Science University, Portland, OR, USA.
Pediatr Dermatol. 2004 Mar-Apr;21(2):146-9. doi: 10.1111/j.0736-8046.2004.21212.x.
We report two cases of bathtub suction-induced purpura. Two girls, ages 9 and 14 years, developed recurring purpura "spontaneously" in the same lower back location and in the same U-shaped distribution. The patients had similar histopathologic findings, with extravasated erythrocytes and a sparse superficial inflammatory infiltrate. After extensive evaluation, one patient eventually admitted to self-inducing her lesions by creating suction against a bathtub. The second patient denied self-inflicting her lesions; however, her purpura improved when she stopped taking baths.
我们报告两例浴缸负压吸引所致紫癜。两名女孩，年龄分别为9岁和14岁，在相同的下背部位置出现了呈相同U形分布的反复“自发性”紫癜。患者有相似的组织病理学表现，有红细胞外渗和稀疏的浅表性炎症浸润。经过广泛评估，一名患者最终承认通过对浴缸施加负压来自我诱发皮损。第二名患者否认自我造成皮损；然而，当她停止洗澡时，她的紫癜病情有所改善。
