Alopecia: evaluation and treatment

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Abstract

Hair loss is a very common complaint. Patients may describe increased shedding and diffuse or localized alopecia. The differential diagnosis of hair loss includes a number of disorders causing cicatricial or noncicatricial alopecias. This paper describes the clinical approaches and diagnostic tests that are useful in the evaluation of patients presenting with alopecia. It also reviews treatments for noncicatricial alopecias, including androgenetic alopecia, alopecia areata, and telogen effluvium, as well as cicatricial alopecias, including lichen planopilaris, its clinical variant frontal fibrosing alopecia, and discoid lupus erythematosus.

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Alopecia areata update: part II. Treatment.

Abdullah Alkhalifah, Adel Alsantali, Eddy Wang … (2010)

Various therapeutic agents have been described for the treatment of alopecia areata (AA), but none are curative or preventive. The aim of AA treatment is to suppress the activity of the disease. The high rate of spontaneous remission and the paucity of randomized, double-blind, placebo-controlled studies make the evidence-based assessment of these therapies difficult. The second part of this two-part series on AA discusses treatment options in detail and suggests treatment plans according to specific disease presentation. It also reviews recently reported experimental treatment options and potential directions for future disease management. After completing this learning activity, participants should be able to compare the efficacy and safety of various treatment options, formulate a treatment plan tailored to individual patients, and recognize recently described treatments and potential therapeutic approaches. Copyright (c) 2009 American Academy of Dermatology, Inc. Published by Mosby, Inc. All rights reserved.

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Alopecia areata: a long term follow-up study of 191 patients.

Matilde Iorizzo, Sara Bellavista, Antonella Tosti (2006)

The prognosis of alopecia areata (AA) is difficult to predict. Few studies report long-term follow-up of AA patients. The purpose of this study is to better assess the long-term evolution of AA and the possible relationship between disease severity and treatment response with long-term prognosis. One hundred ninety-one patients with AA who presented with a new diagnosis of AA between 1983 and 1990 were subsequently contacted by phone. Patients were queried regarding current disease status, treatments, and disease course. Severity of AA at first consultation ranged from mild (128 patients) to severe (63 patients). Fifty-five of 191 patients were affected by concomitant autoimmune or related inflammatory disease. Sixty-six of 191 patients were presently disease free (follow-up duration, 15-22 years; mean 17.74 years). These include 41 of 60 patients with S1 disease (68.3%), 22 of 68 patients with S2 disease (32.3%), 1 of 11 patients with S3 disease (9%), 1 of 14 patients with S4 disease (7.1%), and 1 of 11 patients with alopecia totalis (AT) (9.1%). Sixty-nine of 191 patients (36-1%) were presently affected by AT or alopecia universalis. There was a statistically significant tendency of severe patterns of AA to worsen over time. In children, 18 of 39 (13 with or =S3 disease) with AA had developed AT or alopecia universalis at long-term follow-up. In children, however, this trend was not statistically significant. Patients with severe AA who responded to topical immunotherapy seem to have a better prognosis than nonresponders. Follow-up was only performed by phone. Severity of AA at time of first consultation is an important prognostic factor. Response to therapy (topical immunotherapy) may be associated with better prognosis. In children, the prognosis is worse; our study found that AA worsens over time.

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Videodermoscopy in the evaluation of hair and scalp disorders.

Colombina Vincenzi, Margaret Ross, Antonella Tosti (2006)

The standard methods used to diagnose scalp and hair disorders (eg, simple clinical inspection, pull test, biopsy) vary in sensitivity, reproducibility, and invasiveness. Studies on a few entities suggest that use of dermoscopy can improve clinical accuracy, but further investigation is needed. We sought to: (1) characterize features of several nontumoral scalp and hair conditions using videodermoscopy; and (2) assess the potential usefulness of videodermoscopy in the clinical evaluation of these conditions. Images (x20-70 magnification) obtained with videodermoscopy from 220 patients with various scalp and hair disorders and 15 unaffected control subjects were reviewed for distinguishing features. Conditions evaluated included psoriasis (23), seborrheic dermatitis (26), alopecia areata (58), androgenetic alopecia (64), chronic telogen effluvium (7), trichotillomania (12), and primary cicatricial alopecia (30). Clinical features evident to the naked eye were seen in great detail when videodermoscopy was used. Novel features (eg, yellow dots in alopecia areata) were also identified. Findings require confirmation by blinded, prospective investigation. Use of videodermoscopy in the clinical evaluation of scalp and hair disorders improves diagnostic capability beyond simple clinical inspection and reveals novel features of disease, which may extend clinical and pathogenetic understanding.