Studies have shown a relationship between vitamin D and psoriasis. We compared serum
levels of vitamin D of 20 psoriasis patients and 20 controls. The median vitamin D
level was 22.80 ± 4.60 ng/ml; the median in the cases was 23.55 ± 7.6 ng/ml, and in
controls 22.35 ± 3.10 ng/ml (p = 0.73). Only 2 cases and 4 controls had sufficient
levels of vitamin D, although without statistical significance between the groups (p
= 0.608). Levels were lower in women with psoriasis compared with those in male
patients (20.85 ± 6.70 x 25.35 ± 2.90 ng/ml, p = 0.03), a finding that was not
observed among controls.
Panniculitis is a rare clinical finding in dermatomyositis, with less than 30
cases reported and there is only one case associated with the amyopathic subtype
described in the literature. The present report describes a 49-year-old female
patient that one year after being diagnosed with amyopathic dermatomyositis,
presented indurated, painful, erythematous to violaceous nodules located on the
upper limbs, thighs and gluteal region. Skin biopsy revealed lobular
panniculitis with a lymphocytic infiltrate. The patient was treated with
prednisone and methotrexate, but remained unresponsive to treatment.
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