对血友病性关节炎4例X线表现分析如下。1临床资料1.1一般资料本组均为男性,均经实验室检查证实,其中1例为学生,2例为工人,1例为农民。年龄分别为12、22、26、31岁。临床表现均有皮下血肿、瘀斑,因关节肿痛而就诊。查体:例1:患儿双膝关节疼痛、肿胀明显,右膝著伴轻度屈曲畸形;例 4 cases of hemophilic arthritis X-ray findings are as follows. 1 Clinical data 1.1 General Information This group are men, all confirmed by laboratory tests, of which 1 case of students, 2 workers, 1 case of farmers. The ages were 12,22,26,31 years old. Clinical manifestations of subcutaneous hematoma, ecchymosis, due to joint swelling and pain treatment. Examination: Example 1: Children with double knee pain, swelling, right knee with mild flexion deformity;