摘要
目的 探讨隆突性皮肤纤维肉瘤(DFSP)的临床及超声声像图特征,帮助提高该病的诊断及鉴别诊断.方法 选取我院经病理证实的隆突性皮肤纤维肉瘤患者 184 例,其中 26 例有完整的临床资料及术前超声检查,分析 26 例DFSP患者的临床及超声特征.结果 184 例DFSP患者(男:女 1.33:1.00),肿块发生于躯干 104 例(56.5%),四肢 61例(33.2%),头颈部 19 例(10.3%).26 例临床资料完整的 DFSP 患者中 2 例(7.7%)肿块局限于真皮层内,24 例(92.3%)肿块突破真皮层延伸到皮下脂肪层.6 例(23.1%)肿块边界不清晰;10 例(38.5%)肿块形态不规则.根据肿块内的回声特点,分为 3 型:Ⅰ型肿块 6 例(23.1%)表现为均质或不均质低回声,内可见点状、短线状高回声;Ⅱ型肿块 18例(69.2%)表现为高、低间杂的混合回声;Ⅲ型肿块 2 例(7.7%)表现为稍高回声,肿瘤边缘似"假足样"突起.14 例(53.8%)肿块后方回声增强,所有病例肿块内均未见钙化.肿块内血流分级:0 级 3 例(11.5%),Ⅰ级 8 例(30.8%),Ⅱ级7 例(26.9%),Ⅲ级 8 例(30.8%).所有病例均未发现淋巴结及远处转移.结论 DFSP的临床表现和超声图像有一定的特征性.超声检查有助于提高该病的诊断.
Abstract
Objective The sonographic features of dermatofibrosacoma protuberrans have been summarized,in order to as-sist the diagnosis of the disease.Methods 184 cases histopathologically proven dermatofibrosacoma protuberrans were retro-spectively analyzed,in which 26 cases had complete clinical data and preoperative ultrasound examination.The clinical and so-nographic features of the 26 cases were summarized.Results Of those 184 cases of dermatofibrosacoma protuberrans,the male-to-female ratio was 1.33:1.00,104 cases(56.5%)occurred in the trunk,61 cases(33.2%)in the limbs,and 19 cases(10.3%)in the head and neck.Among 26 patients,the mass in 2 cases(7.7%)was confined to the dermis,the mass in 24 cases(92.3%)extended to the subcutaneous fat layer.6 cases had unclear boundaries and10 patients had irregular morphology.According to the characteristics of the echo in the mass,they can be divided into three types:there were 6 cases(23.1%)of type Ⅰ mass,which was homogeneous or heterogeneous hypoechoic,with punctate and short linear hyperechoic,18 cases(69.2%)of type Ⅱ mass,which presented with mixed echoes of high and low intermingled,and 2 cases(7.7%)of type Ⅲ mass,which was slightly hyper-echoic,"Pseudofoot"protrusions at the margin of the tumor.There were 14 cases(53.8%)with enhanced echo behind the mass,and no calcification was observed in the mass in all cases.The vascularity of the mass was as follows:3 case(11.5%)was grade 0,8 cases(26.9%)were grade Ⅰ,7 cases(26.9%)were grade Ⅱ,and 8 cases(30.8%)were grade Ⅲ.No lymph nodes and me-tastasis were seen in all cases.Conclusions The clinical and ultrasound images of dermatofibrosarcoma protuberans are charac-teristic.Ultrasound helps improve the diagnosis of the disease.