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CT and MR imaging findings of solitary nevus lipomatosus cutaneous superficialis: radiological-pathological correlation.

孤立性脂肪瘤样皮肤浅表痣的CT和MR影像学表现: 放射学-病理学相关性。

  • 影响因子:1.50
  • DOI:10.1007/s00256-019-03269-y
  • 作者列表:"Kawaguchi M","Kato H","Tomita H","Hara A","Matsuo M
  • 发表时间:2020-01-01
Abstract

OBJECTIVE:This study assessed the CT and MRI findings of solitary nevus lipomatosus cutaneous superficialis (NLCS). MATERIALS AND METHODS:Eleven patients with histopathologically and clinically confirmed solitary NLCS who underwent CT and/or MRI were enrolled. Radiological and histopathological findings of elevated lesions located above the level of the surrounding normal skin surface and coexisting subcutaneous lipoma-like lesions were assessed retrospectively. RESULTS:Elevated skin lesions were observed in all 11 patients; these lesions were pedunculated in 4 patients (36%) and broad-based in 7 (64%). The CT attenuation of elevated lesions was fat attenuation in 2 out of 7 patients (29%), slightly increased fat attenuation in 4 out of 7 (57%), and combined fat and soft-tissue attenuation in 1 out of 7 (14%). The MR signal intensity of elevated lesions on T1-weighted images was fat signal intensity in 2 out of 6 patients (33%), slightly decreased fat signal intensity in 3 out of 6 (50%), and combined fat signal intensity and hypointensity in 1 out of 6 (17%). Subcutaneous lipoma-like lesions with fat attenuation and/or fat signal intensity were observed in 6 out of 11 patients (55%). Histopathologically, various amounts of fatty tissue and collagenous fiber were observed within the elevated lesions in all 11 patients. CONCLUSION:The CT and MRI features of solitary NLCS were the broad-based or pedunculated elevated lesions, including fatty components. Additionally, subcutaneous lipoma-like lesions were frequently observed.

摘要

目的: 探讨单发性皮肤浅表脂肪瘤痣 (NLCS) 的CT和MRI表现。 材料和方法: 11 例经病理和临床证实的孤立性NLCS患者接受了CT和/或MRI检查。回顾性评估位于周围正常皮肤表面水平以上的隆起病变和并存的皮下脂肪瘤样病变的放射学和组织病理学表现。 结果: 11 例患者均出现皮损隆起,4 例 (36%) 有蒂病变,7 例 (6 4%) 有蒂病变。7 例患者中 2 例升高病灶的CT衰减为脂肪衰减 (2 9%),7 例患者中 4 例 (57%) 脂肪衰减轻度增加,7 人中有 1 人 (4 4%) 合并脂肪和软组织衰减。MR信号强度的隆起性病变组T 1 加权像胖旌旗灯号强度 2 的 6 例患者 (3 3 %), 略有下降脂肪旌旗灯号强度 3 6 (50%),并结合脂肪信号强度和低信号在 1 出 6 (1 7%)。11 例患者中 6 例 (55%) 观察到脂肪衰减和/或脂肪信号强度的皮下脂肪瘤样病变。组织病理学观察,11 例患者的隆起病灶内均可见大量脂肪组织和胶原纤维。 结论: 单发NLCS的CT和MRI表现为广泛的或带蒂的隆起性病变,包括脂肪成分。此外,经常观察到皮下脂肪瘤样病变。

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皮肤肿瘤方向

皮肤肿瘤是发生在皮肤的细胞增生性疾病,是一种常见病。发生于皮内或皮下组织的新生物,种类很多,临床上分良性肿瘤和恶性肿瘤。恶性肿瘤可以不断增殖,引起转移,威胁生命,称为皮肤癌。

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