The diagnosis and treatment of hair and scalp diseases

Hans Wolff*, Tobias W. Fischer, Ulrike Blume-Peytavi

*Corresponding author for this work
32 Citations (Scopus)


Background: Hair loss is caused by a variety of hair growth disorders, each with its own pathogenetic mechanism.

Methods: This review is based on pertinent articles retrieved by a selective search in PubMed, on the current German and European guidelines, and on the authors’ clinical and scientific experience.

Results: Excessive daily hair loss (effluvium) may be physiological, as in the postpartum state, or pathological, due for example to thyroid disturbances, drug effects, iron deficiency, or syphilis. Androgenetic alopecia generally manifests itself in women as diffuse thinning of the hair over the top of the scalp, and in men as receding temporal hairlines and loss of hair in the region of the whorl on the back of the head. Alopecia areata is patchy hair loss arising over a short time and involving the scalp, eyebrows, beard, or entire body. The hair loss of alopecia areata is reversible in principle but hard to treat. Folliculitis decalvans is a form of alopecia with scarring, characterized by inflamed papules, pustules, and crusts at the edges of the lesions. Lichen planopilaris generally presents with small patches of baldness, peripilar erythema, and round areas of skin scaling. Kossard’s frontal fibrosing alopecia is characterized by a receding hairline and loss of eyebrows.

Conclusion: Hair loss is a symptom, not a diagnosis. The pathogenesis of the alopecias involves a range of genetic, endocrine, immune, and inflammatory processes, each of which calls for its own form of treatment.
Original languageEnglish
JournalDeutsches Arzteblatt International
Issue number21
Pages (from-to)377-386
Number of pages10
Publication statusPublished - 27.05.2016


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