[Report of a case with skin lesions and calciphylaxis]

Calciphylaxis is an unusual complication of chronic renal failure associated with increased morbidity and mortality. This presentation is a clinical case describing a patient parathyreidectomized in 1997, followed by the condition was clinically suspected and then confirmed by skin biopsy. PTHi levels above 400 pg/ml together with scintigraphic images suggesting parathyroid nodules resulted in the decision to try a new surgical procedure, which yielded two nodules of thyroideal tissue. After the surgery and in spite of this pathology result, the patient recovered completely from her symptoms. This corroborates the theory that the etiology of calciphylaxis is multifactorial, acquiring special relevance the use of calcium-containing phosphathe binders (representing a high risk of hypercalcemia) in the treatment of Chronic Renal Disease.