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附图 右股骨下段及胫腓骨上段不规则增粗 ,骨髓腔增宽 ,骨皮质变薄 ,于月国窝处见一 2 0cm× 16cm之软组织块影 ,密度均匀 ,皮脂线消失。 患者男 ,4 9岁 ,右下肢膝部后侧肿物 5年 ,近来增长迅速 ,疼痛加剧 ,活动受限。查体 :右膝部明显增粗 ,其后部及内外侧部广泛肿大 ,触?
The lower part of the right femur and the upper segment of the humerus are irregularly thickened, the width of the bone marrow cavity is widened, and the cortical bone is thinned. A soft tissue block shadow of 20 cm x 16 cm is seen at the foetus of the moon and the density is uniform and the sebum line disappears. The patient was male, 4 9 years old, with a 5 year recurrence of the knee in the right lower extremity. He has recently experienced rapid growth, increased pain, and limited mobility. Physical examination: The right knee was significantly thickened, and the posterior and medial and lateral parts of the patient were widely swollen.