acanthosis nigricans

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Introduction

Diffuse thickening & hyperpigmentation of the skin mostly in intertriginous regions, especially the axillae.

Etiology

(Classification)

Pathology

Clinical manifestations

* images[5][6]

Laboratory

Radiology

  • Chest X-ray
  • other studies as indicated to rule out cancer

Differential diagnosis

Management

More general terms

Additional terms

References

  1. Color Atlas and Synopsis of Clinical Dermatology, Common and Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY, 1997, pg 505-507
  2. Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 171
  3. 3.0 3.1 3.2 Medical Knowledge Self Assessment Program (MKSAP) 11, 14, 16, 17, 18. American College of Physicians, Philadelphia 1998, 2006, 2012, 2015, 2018.
  4. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 319
  5. 5.0 5.1 Acanthosis nigricans (image) American Academy of Dermatology https://www.aad.org/public/diseases/color-problems/acanthosis-nigricans
  6. 6.0 6.1 DermNet NZ. Acanthosis nigricans (images) http://www.dermnetnz.org/systemic/acanthosis-nigricans.html
  7. Rashid RM, Barros BS (image) Hidden Heart Disease: 19 Dermatologic Clues You Should Know. Medscape. June 13, 2017. http://reference.medscape.com/slideshow/hidden-heart-disease-6004452

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