Methods Bone age, X-ray features, thyropenia (TT 3,TT 4) and dysgnosia in 34 cases with hypothyroidism were comparatively analyzed.

• 方法 对 3 4例甲状腺功能低下骨龄落后状况、X线改变与甲状腺功能 (TT3 ,TT4)以及智力障碍程度对比分析。