<prompt> Phrynoderma is NOT due to deficiency ofEssential fatty acidsVit AVit DVit B  <response>: PHRYNODERMAtoad-skin disease:- May be a manifestation of vitamin A deficiency, though it may also be due to deficiency of essential fatty acids and even vitamin B. Manifests as rough, hyperkeratotic follicular papules around elbows and knees. Ref:- NEENA KHANNA; pg num:- 391 