THE VITAMIN B12 LEVEL IN PSORIATIC SKIN AND SERUM

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Abstract

SUMMARY.— Skin and serum B:; levels were measured using Lactobacillus leishmanii in 16 non-psoriatic control subjects and in 10 psoriatic patients before and after treatment. There was a significant positive correlation between the B12 levels of the skin and serum of the control group. The B12 level was lower in psoriatic than non-psoriatic skin and active lesions had lower levels than healed lesions. The findings suggest that the increased metabolic activity in psoriatic skin is associated with lowered B12 levels which may precede visible pathological change.

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