先天愚型患儿染色体检查核型95%以上为() ["A.47,XY(或XX),+21","B.46,XX(或XY),-14,+t(14q21q)","C.45,XX(或XY),-14,-21,+t(14q21q)","D.46,XX(或XY),-21,+t(21q21q)","E.46,XX(或XY),-22,+t(21q22q)"]
女,56岁,乳腺癌手术后,未行化疗,结合CT图像,最可能的诊断是() ["A.肺转移癌","B.肺结核","C.间质性肺炎","D.肺结节病","E.肺曲菌病"]
下列哪项不是21-三体综合征的临床特征() ["A.特殊面容","B.皮肤纹理异常","C.尿有特殊臭味","D.智能低下","E.体格发育迟缓"]
试述外耳道疖的临床表现及处理。
试述外耳道胆脂瘤的症状及处理。
试述外耳道炎的临床表现及处理。