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Kaplan Qbank USMLE



Author4 Posts
  #1

A nonsmoker homosexual male 29 yrs has nonpainful white patches located on the lateral borders of tongue.The patches donot wipe off with a guaze.You suspect that the pathogensis of these lesions is closely related to:
A. a neoplastic process
B.a fungal infection
C. a dysplastic process
D. a viral infection
E. an autoimmune disease
The answer is D.But why can't it be A?
Just because he is a nonsmoker,A is not the answer??

  #2

The condition is oral hairy leukoplakia by Ebstein Barr. The aspect that it does not wipe away with a guaze is the main hint to differentiate from thrush (candida). Since it is hinting at Ebstein Barr, D is the best answer.

  #3

thanks
But why can't it be oral leukoplakia(preneoplastic condition)?

  #4

Oral neoplasms are just not common in a male homosexuals.

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