Imaging features of dermatofibrosarcoma protuberans

JIA Shuying; XIE Tiansong; ZHOU Liangping; ZHOU Zhengrong; CHEN Lei

doi:10.19732/j.cnki.2096-6210.2021.04.006

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Imaging features of dermatofibrosarcoma protuberans

更新时间：2025-12-15

- Imaging features of dermatofibrosarcoma protuberans
- Vol. 30, Issue 4, Pages: 263-268(2021)
- 作者机构：
  
  1. 复旦大学附属肿瘤医院闵行分院放射科,上海,200240
  2. 复旦大学附属肿瘤医院放射诊断科，复旦大学上海医学院肿瘤学系,上海,200032
- 作者简介：
- 基金信息：
- DOI：10.19732/j.cnki.2096-6210.2021.04.006
  CLC：
- Published Online：28 August 2021，
  
  Published：28 August 2021
- 稿件说明：
移动端阅览
贾姝颖,解添松,周良平,等. 隆突性皮肤纤维肉瘤的影像学特征分析[J]. 肿瘤影像学, 2021, 30(4): 263-268 https://doi.

org/10.19732/j.cnki.2096-6210.2021.04.006
贾姝颖,解添松,周良平,等. 隆突性皮肤纤维肉瘤的影像学特征分析[J]. 肿瘤影像学, 2021, 30(4): 263-268 https://doi. DOI： 10.19732/j.cnki.2096-6210.2021.04.006.

org/10.19732/j.cnki.2096-6210.2021.04.006 DOI：

摘要

目的：

分析总结隆突性皮肤纤维肉瘤（dermatofibrosarcoma protuberans，DFSP）的影像学表现特征。

方法：

回顾并分析2020年2月2021年5月经手术后病理学检查确诊的21例DFSP患者的临床及影像学资料。

结果：

21例DFSP患者中初次就诊者13例，复发者8例（其中转移者2例）。初诊及复发者中20例为单发病灶，1例为多发病灶。病灶位于皮下软组织19例，其中发生于躯干部12例，头颈部2例，四肢5例；2例转移者中1例病灶位于纵隔及肺部（多发），1例位于脊柱。行计算机体层成像（computed tomography，CT）检查16例，其中增强CT检查9例；行磁共振成像（magnetic resonance imaging，MRI）检查5例，均为增强MRI检查。CT平扫表现为等或低密度灶（与邻近肌肉组织相比），MRI扫描中T1加权成像（T1-weighted imaging，T1WI）均呈与肌肉组织类似等信号灶，T2加权成像（T2-weighted imaging，T2WI）均可见低信号成分，CT及MRI增强扫描实性成分均呈均质或不均质且持续强化。

结论：

DFSP的影像学表现具有一定的特异性，对该病的临床诊断及治疗方案的选择具有一定的参考价值。

Abstract

Objective:

To analyze and summarize the imaging features of dermatofibrosarcoma protuberans (DFSP).

Methods:

The clinical and imaging datas of 21 patients with DFSP confirmed by surgery and pathology from February 2020 to May 2021 were retrospectively analyzed.

Results:

Among 21 cases of DFSP

13 cases were initially treated and 8 cases recurred (2 cases were metastatic). Among the newly diagnosed and relapsed cases

20 cases were single lesion and 1 case was multiple lesion. The

lesions were located in the subcutaneous soft tissue in 19 cases

including 12 cases in the trunk

2 cases in the head and neck

and 5 cases in the limbs. Among the 2 cases of metastasis

1 case was located in the mediastinum and lung (multiple)

and 1 case was located in the spine. Computed tomography (CT) scan was performed in 16 cases (enhanced in 9 cases)

magnetic resonance imaging (MRI) plain scan and enhanced MRI in 5 cases. CT plain scan showed isointense or hypodense foci (compared with adjacent muscle tissue). MRI scan showed isointense foci similar to muscle tissue on T1-weighted imaging (T1WI) plain scan

and hypointense components could be seen on T2-weighted imaging (T2WI) plain scan. CT and MRI enhanced scan showed homogeneous or heterogeneous solid components with continuous enhancement.

Conclusion:

The imaging findings of DFSP have a certain specificity

which has a certain reference value for the clinical diagnosis and treatment of the disease.

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