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Table 2 Clinical features of FA, XP, CS, and TTD

From: Mechanisms of interstrand DNA crosslink repair and human disorders

Clinical features FA XP CS TTD
Cancer + + - -
Skin pigmentation + + - ±
Developmental delay + - + +
Neurological defects ± ± + +
  1. + represents that this symptoms appears on almost all patients
  2. - represents that this symptoms hardly recognized
  3. ± represents that this symptom is occasionally recognized