Last reviewed: November 2017
Last updated: November  2017

Summary

Definition

History and exam

Key diagnostic factors

  • family history of baldness
  • gradual receding of frontal hairline, central, and crown (vertex)
  • diffuse thinning of the central scalp with preservation of frontotemporal hairline

Risk factors

  • advancing age
  • polycystic ovary syndrome in women
  • insulin resistance disorders
  • prostate cancer

Diagnostic investigations

1st investigations to order

  • negative hair-pull test
  • thyroid function test
  • serum ferritin
Full details

Investigations to consider

  • CBC with differential
  • comprehensive metabolic panel
  • antinuclear antibodies
  • rapid plasma regain
  • free testosterone
  • serum dehydroepiandrosterone (DHEA)-sulfate
  • sex hormone-binding globulin
  • dermatoscopy
  • scalp biopsy
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Associate Professor

Dermatology

Case Western Reserve University School of Medicine

Cleveland

OH

Disclosures

RH has an ownership interest in a company that manufactures light-based hair growth devices. He receives royalties for the sales of a surgical device used in hair restoration surgery.

Dr Robert Haber would like to gratefully acknowledge Dr Christiane Querfeld and Dr Christopher R. Shea, previous contributors to this monograph. CQ and CRS declare that they have no competing interests.

Peer reviewers VIEW ALL

Medical Director

The Baylor Hair and Skin Research and Treatment Center

Dallas

TX

Disclosures

DW is an author of a number of references cited in this monograph.

Director of Dermatopathology

The Dermatology Group

Verona

NJ

Disclosures

MGH declares that he has no competing interests.

Professor of Dermatology

Emory University School of Medicine

Atlanta

GA

Disclosures

ARS declares that he has no competing interests.

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