Can J Surg, Vol. 46, No. 2, April 2003 151 and old hemorrhage are frequent, and
surrounding bone shows increased osteoclastic resorption. It is the accumulation of …

Brown tumors, a benign osteolytic process, are most commonly caused by
hyperparathyroidism. Multiple bone involvement is relatively rare. There are many …

Brown tumor is a bone lesion secondary to hyperparathyroidism of various etiologies. It is
frequently seen in the head and neck region. Brown tumor presents itself on foot very rarely …

Hyperparathyroidism results in disorders of bone and mineral metabolism. The skeletal
effects include massive bone resorption, bone fractures, and bone pain, as well as diffuse …

Multifocal osteolytic lesions of the skeletal system are a challenge regarding diagnosis
especially when multi-nucleated giant cells which are not specific for a tumour entity are …

Primary hyperparathyroidism is typically accompanied by a vast array of symptoms and the
occurrence of so-called brown tumors often localized in the metaphysis of bone. These …

The skeletal changes of severe hyperparathyroidism, known as osteitis fibrosa cystica, are
now rarely encountered, because hyperparathyroidism is currently being diagnosed and …

The brown tumor or osteitis fibrocystica is a benign bone lesion reflecting an abnormality of
bone metabolism in the context of hyperparathyroidism. It can affect the entire skeleton …

Brown tumours are an end-stage complication of hyperparathyroidism. They are relatively
rare today, due to earlier diagnosis and prompt treatment of hyperparathyroidism. Common …

Brown tumor is rarely seen today, probably because routine serum chemical tests identify
patients with primary hyperparathyroidism before this skeletal complication develops. It has …