Open Access Articles- Top Results for Erythema induratum

Erythema induratum

Erythema induratum
File:An introduction to dermatology (1905) erythema induratum 2.jpg
Erythema induratum
Classification and external resources
ICD-10 A18.4 (ILDS A18.482)
ICD-9 017.1
DiseasesDB 1272
eMedicine derm/135
NCI Erythema induratum
Patient UK Erythema induratum
MeSH D004891

Bazin disease (or "Erythema induratum") is a panniculitis on the back of the calves.[1]

It was formerly thought to be a reaction to the tuberculum bacillus. It is now considered a panniculitis that is not associated with a single defined pathogen.[2]

It occurs mainly in women, but is very rare now.


Predisposing factors include abnormal amount of subcutaneous fat, thick ankles and abnormally poor arterial supply. Abnormal arterial supply causes low-grade ischemia of ankle region. The ankle skin becomes sensitive to temperature changes. When weather is cold, ankle is cold, blue and often tender. In hot weather, ankle becomes hot, edematous, swollen and painful. Chilblains may be present. On palpation, small superficial and painful nodules are felt. They break down to form small and multiple ulcers. Fresh crops of nodules appear in periphery of ulcer and ultimately break down. In nodular stage, pain is present; while it subsides in ulcerative stage.[3]


It is named for Pierre-Antoine-Ernest Bazin.[4][5]

Additional images


  1. ^ "erythema induratum" at Dorland's Medical Dictionary[dead link]
  2. ^ Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease (7th ed.). St. Louis, Mo: Elsevier Saunders. p. 1265. ISBN 0-7216-0187-1. 
  3. ^ Manual of Surgery. Kaplan Publishing. p. 72. ISBN 9781427797995. 
  4. ^ synd/102 at Who Named It?
  5. ^ P. A. E. Bazin. Leçons théoriques et cliniques sur la scrofule, considérée en ellemême et dans ses rapports avec la syphilis, la dartre et l'arthritis. 2nd edition, Paris, 1861. Page 145 and 501.

External links

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