Stengel F, Ackerman A B
Am Fam Physician. 1978 Nov;18(5):76-82.
Ample scalp biopsies, including subcutaneous fat, are easily obtained by excision or punch biopsy. Using a knowledge of normal hair patterns and histologic features, the physician can identify common baldness, trichotillomania, alopecia areata, discoid lupus erythematosus, lichen planopilaris, tinea capitis and follicular mucinosis. While hair loss is usually of more psychologic than physiologic significance, accurate diagnosis can be of great importance.
通过切除或钻孔活检很容易获取足够的头皮活检样本，包括皮下脂肪。利用正常毛发模式和组织学特征的知识，医生可以识别常见的秃发、拔毛癖、斑秃、盘状红斑狼疮、扁平苔藓性秃发、头癣和毛囊黏蛋白病。虽然脱发通常在心理上比生理上更具意义，但准确诊断可能非常重要。
