结论：重叠综合征继发横纹肌溶解症临床罕见，当出现急性肾功能衰竭时，与系统性硬化症出现急性肾危象不易鉴别，容易漏诊。
Conclusion: Overlap syndrome associated with rhabdomyolysis is rare, and systemic sclerosis could also have renal crisis, which could lead to miss diagnosis of rhabdomyolysis.
结论：重叠综合征继发横纹肌溶解症临床罕见，当出现急性肾功能衰竭时，与系统性硬化症出现急性肾危象不易鉴别，容易漏诊。
Conclusion: Overlap syndrome associated with rhabdomyolysis is rare, and systemic sclerosis could also have renal crisis, which could lead to miss diagnosis of rhabdomyolysis.
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