[名词解释] A–S反应(Arias–Stella)

流产(abortion) 稽留流产(missed abortion) 输卵管妊娠(tubal pregnancy) 前置胎盘(placenta pracvia) 女，71岁，左肩痛，系统性红斑狼疮服用高剂量的类固醇半年，结合图像，最可能的诊断是() ["A．化脓性关节炎","B．类风湿关节炎","C．骨纤维肉瘤","D．肱骨头缺血坏死","E．肩关节结核"] A–S反应(Arias–Stella)