Casals Necklace pattern is seen in
(C) Niacin deficiency # Casal collar or Casal Necklace is a clinical sign in which there is an erythematous pigmented skin rash in the distribution of a broad collar (dermatomes C3 and C4). It is seen in patients with pellagra.
Thiamine deficiency
Riboflavin deficiency
Niacin deficiency
All of the above
Miscellaneous