alopecia maligna

例句：

1. 1. The patient had developed alopecia maligna after undergoing chemotherapy.
   这位患者在接受化疗后发展成了恶性脱发。
2. 2. Alopecia maligna isa rare condition that can lead to significanthair loss.
   恶性脱发是一种罕见的状况，可能导致严重的脱发。
3. 3. The treatment for alopecia maligna involves various medications andsurgical procedures.
   治疗恶性脱发涉及各种药物和手术程序。