Research advance in androgenetic alopecia in 2020 / 中华皮肤科杂志

Androgenetic alopecia is a distinctive condition associated with genetic factors and effect of androgens, usually adversely affects the appearance and mental health of patients. This review summarizes research progress in the pathogenesis, diagnosis, evaluation and clinical treatment of androgenetic alopecia in 2020.

A rare case report for dermatomyofibroma in nasion / 中南大学学报(医学版)

Dermatomyofibroma is a benign and rare proliferation of myofibroblasts and fibroblasts of the skin.Dermatomyofibroma commonly locates at the shoulder and neck of young adults and adolescents.Other frequently affected anatomic sites are upper arms,thigh,chest wall,back,axillary region and abdomen.Herein,we reported a case of dermatomyofibroma occurred in the nasion.The asymptomatic firm nodule and histopathological features were consistent with dermatomyofibroma.Immunohistochemically,the tumor cells expressed vimentin,HHF35 and α-smooth muscle actin (α-SMA).The patient was followed up for 2 years after excision of the tumors and recurrences were not observed.