Brown Tumor: A Late Complication of Secondary Hyperparathyroidism

The Impact of Late Secondary Hyperparathyroidism on Mortality in COVID-19 Patients: A Longitudinal Study

Background: Adverse effects of high parathormone hormone (PTH) in critical illness have been described in some studies.  Objective: The relationship between high PTH levels with mortality in hospitalized patients with COVID-19 was evaluated in the present study. Methods: A total of 123 patients were included in the study. The patients were evaluated in phase 1 (on admission) and phase 2 (days...

Parathyroid calcification as a complication of secondary hyperparathyroidism.

Prem K.G. Chandran, MD, Iowa Methodist Medical Center, and Iowa Lutheran Hospital, 1215 Pleasant Suite 100, Des Moines, IA 50309 (USA) Dear Sir, Metabolic consequences of chronic irreversible renal failure include hyperphosphatemia, hypocalcemia, and secondary hyperparathyroidism. Persistent hyperphosphatemia not only contributes to abnormal vitamin D balance, but is also responsible for metast...

Brown tumor--a rare manifestation of renal osteodystrophy and severe secondary hyperparathyroidism: case report.

Multifactorial disorders in mineral metabolism and bone structure occur early in the course of chronic kidney disease. The new term of 'chronic kidney disease--mineral and bone disorders' has been used to encompass a broad syndrome in which various abnormalities in bone and mineral metabolism are present in patients with chronic kidney disease. Brown tumors are an uncommon type of bone lesions ...

Mandibular Brown Tumor of Secondary Hyperparathyroidism Requiring Extensive Resection: A Forgotten Entity in the Developed World?

Brown tumor of hyperparathyroidism (BTHPT) is rare in the United States and not frequently seen in clinical practice. This is likely because early diagnosis and prompt treatment of this disease process prevent the progression and development of BTHPT. Conversely, BTHPT is more common in underdeveloped countries where fewer patients have access to health care and hyperparathyroidism (HPT) goes u...

Brown tumor in a patient with hyperparathyroidism secondary to chronic renal failure.