Brown tumors with non-neoplastic process are noticed in patients with end-stage renal
disease suffering from a severe form of secondary HYPERPARATHYROIDISM. Herein, we
report a patient with chronic KIDNEY ALLOGRAFT FAILURE returned back to hemodialysis
who experienced manifestations of CAUDA EQUINA compression secondary to a lumbar
brown tumor. Also, we had another patient on hemodialysis with a demineralized lesion
affecting the cervical vertebrae. Although brown tumor is a rare complication, these two …

Brown tumors with non-neoplastic process are noticed in patients with end-stage renal
disease suffering from a severe form of secondary hyperparathyroidism. Herein, we report a
patient with chronic kidney allograft failure returned back to hemodialysis who experienced
manifestations of cauda equina compression secondary to a lumbar brown tumor. Also, we
had another patient on hemodialysis with a demineralized lesion affecting the cervical
vertebrae. Although brown tumor is a rare complication, these two cases highlighted the …