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Acta Medica Colombiana
versión impresa ISSN 0120-2448
Resumen
CARRILLO-BAYONA, Jorge Alberto et al. Brown tumor in the axial skeleton of two patients with chronic kidney disease in dialysis. Acta Med Colomb [online]. 2018, vol.43, n.4, pp.221-225. ISSN 0120-2448.
Brown tumors are a localized form of non-neoplastic osteitis fibrosa, secondary to hyperparathyroidism (primary or secondary). They are part of the alterations of the mineral and bone metabolism of chronic kidney disease (CKD). They manifest as lytic, expansive lesions associated to soft tissue masses that can be located in any part of the skeleton with predilection for the ribs, clavicles, pelvis, femur, facial bones and jaw. Two cases of patients with CKD in renal replacement therapy (RRT), with secondary hyperparathyroidism and brown tumors located in the jaw, costal arches and vertebral bodies, with atypical radiological manifestations are described.
Conclusion:
brown tumors are part of the bone disorders of patients with CKD. The benign appearance in imaging studies (expansive lesions without destruction of the cortex) in the context of a patient with hyperparathyroidism, may suggest the diagnosis. (Acta Med Colomb 2018; 43: 221-225).
Palabras clave : cronic kidney disease; bone mineral disorder; hyperparathyroidism; brown tumors.
