横纹肌溶解综合征是指一系列影响横纹肌细胞膜、膜通道及其能量供应的多种遗传性或获得性疾病导致的横纹肌损伤，细胞膜完整性改变，细胞内容物（如肌红蛋白、肌酸激酶、小分子物质等）漏出，多伴有急性肾功能衰竭及代谢紊乱。
目的探讨糖尿病高渗状态（HHS）所致横纹肌溶解综合征（RM）的临床特点。
Objective To study the clinical features and methods of diagnosis in rhabdomyolysis(RM) secondary to diabetic hyperglycemic hyperosmolar state(HHS).
目的探讨横纹肌溶解综合征伴急性肾功能衰竭(ARF)的临床特点、治疗及预后。
Objective To investigate the clinical feature, therapeutic effect and prognosis of rhabdomyolysis with acute renal failure (RM-ARF).
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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