Systemic Sclerosis and Skin Histology Changes
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Questions and Answers

What is the characteristic feature of skin fibrosis in late systemic sclerosis?

  • Increased number of rete pegs
  • Thickening of the epidermis
  • Absence of inflammation (correct)
  • Presence of perivascular mononuclear cell infiltrates
  • Which of the following is true about the dermis in systemic sclerosis?

  • Collagen bundles are oriented perpendicular to the epithelium (correct)
  • Adnexal glands are hypertrophic
  • There is an increase in white adipose tissue
  • The dermis is atrophic
  • What happens to the adnexal glands in systemic sclerosis?

  • They become hyperpigmented
  • They become hypertrophic
  • They show increased inflammation
  • They atrophy (correct)
  • What is the main cellular component found in early perivascular infiltrates in systemic sclerosis?

    <p>Lymphocytes</p> Signup and view all the answers

    What is the state of rete pegs in systemic sclerosis compared to normal skin?

    <p>They are effaced</p> Signup and view all the answers

    What is the result of progressive thickening of alveolar septae in lung disease?

    <p>Obliteration of airspaces and honeycombing</p> Signup and view all the answers

    Which of the following cell types is NOT typically found in the early disease stage of lung involvement?

    <p>Neutrophils</p> Signup and view all the answers

    What is the consequence of vascular damage in the progression of lung disease?

    <p>Enhanced pulmonary artery hypertension (PAH)</p> Signup and view all the answers

    What happens as a result of the loss of pulmonary vessels in the context of lung involvement?

    <p>Impaired gas exchange</p> Signup and view all the answers

    What is the ultimate consequence of the obliteration of airspaces and honeycombing in lung disease?

    <p>Worsening of PAH</p> Signup and view all the answers

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