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Kaplan Qbank USMLE



Author4 Posts
  #1

Old burn scars sometimes undergo malign differentiation. Thus, after years, there may be (usually) squamous cell carcinoma at the scar region. What is this burn ulcer called ?

  #2

? marjolin ulcer

  #3

yes that's true smiling face

The condition was first described in 1828 by the french surgeon Jean Nicolas Marjolin. It is characterized by:


slow growth - the scar is relatively avascular
painless - the scar is devoid of nerve fibres
absence of secondary deposits in regional lymph nodes - as the lymphatics have been destroyed. However, if the ulcer invades normal tissue surrounding the scar, it will advance at normal rates and most likely involve lymphatics.

Squamous Cell Carcinoma development is important !

  #4

Answer is correct, but Marjolin ulcer eponym is also used for malignancy developing in any long standing ulcer also. So far as secondary metastasis is concerned, different sources have different opinion. Sabiston's and Schwartz have different views.

___________________
Gurvinder Singh
India.







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