患者男性,57岁。三年前左下肢疼痛,活动受限,当地诊为“风湿病”,经治疗逐渐好转。但治疗过程中左股部外上方长1包块,鸡蛋大,质软,不红不痛,包块逐渐长大。1年后左腹股沟内下方又发发现1性质相同之包块,当地诊断不明, The patient is male, 57 years old. Three years ago left lower extremity pain, limited activity, the local diagnosis of “rheumatism”, gradually improved after treatment. However, during the treatment process, the top of the left thigh was 1 block long. The eggs were large, soft, not red and painless, and the masses gradually grew up. One year later, another mass of the same mass was found in the lower left inguinal region. Local diagnosis was unknown.