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患者,女,45岁,一年前左足跟部肿痛,既往无外伤史。入院查体:左跟部轻微肿胀,皮肤无红肿,皮温正常,左跟部压痛明显,距下关节活动受限。实验室检查血液常规未见异常。X线及CT检查示左跟骨可见大片状骨质破坏吸收,跟骨体大部分小梁结构消失,跟骨骨皮质膨胀变薄,骨皮质不完整,局部软组织影肿胀,相邻距骨缘皮质模糊。MRI示左侧距骨、跟骨内可见片状稍长T1、T2信号。距下关节间隙模糊,关节面显示不清。跟骨周围软组织明显肿胀,可见混杂稍长T2及更长T2信号。术前诊
The patient, female, 45 years old, had a left heel swollen a year ago with no previous history of trauma. Admission examination: slight swelling of the left heel, skin redness, normal skin temperature, left heel tenderness significantly, subtalar joint activity is limited. Laboratory tests showed no abnormal blood routine. X-ray and CT showed that the left calcaneus showed massive destruction of bone destruction, calcaneal most of the trabecular structure disappears, calcaneal cortical expansion and thinning, cortical bone is incomplete, local soft tissue shadow swelling, the adjacent talus margin Cortex blurred. MRI showed the left talus, calcaneal visible long flake T1, T2 signal. The distance from the lower joint is blurred and the articular surface is not clear. Significant swelling of the soft tissue around the calcaneus, showing mixed slightly longer T2 and longer T2 signal. Preoperative diagnosis