A 22-year-old female has complained of hirsutism, acanthosis nigricans, enlarged clitoris, and menstrual disorders since puberty. Laboratory examinations revealed hyperandrogenemia. Severe insulin resistance and diabetes were found during hospitalization in our hospital. She was diagnosed with type A insulin resistance syndrome finally. After treatment with metformin, the acanthosis nigricans was significantly relieved, blood glucose was controlled satisfactorily, and the menstrual cycle was restored.
患者女性，22岁。自青春期起逐渐出现多毛、黑棘皮征、阴蒂增大及月经紊乱等临床表现。曾多次查雄激素水平明显升高。我院住院期间发现存在严重胰岛素抵抗、糖尿病。胰岛素受体基因检测提示存在致病性突变，诊断为A型胰岛素抵抗综合征。予二甲双胍治疗后患者黑棘皮征有明显缓解，血糖控制满意，月经周期恢复。.