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Pathology · single question

CASE — Ectodermal dysplasia, 14-year-old. All of the following are characteristic of ectodermal dysplasia EXCEPT:

  1. Sweat-gland dysfunction (hypohidrosis)
  2. Adrenal gland abnormalities
  3. Sparse/hypoplastic hair
  4. Anodontia or hypodontia
Show answer and explanation

Correct answer: B. Adrenal gland abnormalities

  • A. Reduced sweat glands (hypohidrosis) is a hallmark.
  • B. Correct (the EXCEPTION). The adrenal glands are NOT ectodermal derivatives and are not part of the syndrome.
  • C. Sparse, fine hair is typical.
  • D. Missing teeth (anodontia/hypodontia) is a defining oral feature.

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