Cevolani Luca, Casadei R, Vanel D, Gambarotti M, Donati D
III Orthopaedic and Traumatology Clinic, Rizzoli Orthopaedic Institute, Via Pupilli 1, 40136, Bologna, Italy.
Bone Tumor Center, Rizzoli Orthopaedic Institute, Bologna, Italy.
Skeletal Radiol. 2017 Mar;46(3):393-397. doi: 10.1007/s00256-016-2561-x. Epub 2017 Jan 5.
A 51-year-old man presented with elastofibroma (EF) of the gluteal region with a concomitant contralateral lesion. The patient presented with a slow growing mass of the proximal third of the right buttock and had swelling, discomfort in sitting, and right-hip pain during walking for 2 months. On MRI, a soft-tissue mass was noted between the gluteus maximus and the gluteus medius muscle. The mass showed similar signal intensity to the surrounding tissue on T1- and T2-weighted images and with linear hyperintense areas in its internal structure. At surgery, a soft, non-encapsulated, irregular, and rubber-like mass was found attached to the gluteus medius muscles. It was pathologically confirmed to be an EF. This unusual manifestation of an EF is discussed.
一名51岁男性因臀区弹力纤维瘤（EF）伴对侧病变就诊。患者右臀近端三分之一处有一生长缓慢的肿块，出现肿胀、坐位不适及行走时右髋疼痛2个月。磁共振成像（MRI）显示臀大肌和臀中肌之间有一软组织肿块。该肿块在T1加权像和T2加权像上与周围组织信号强度相似，内部结构有线性高信号区。手术中发现一个柔软、无包膜、不规则的橡皮样肿块附着于臀中肌。病理证实为弹力纤维瘤。本文讨论了弹力纤维瘤的这种不寻常表现。
