Gamuts

Temporal bone neoplasm

The brown tumor is a bone lesion that arises in settings of excess osteoclast activity, such as hyperparathyroidism. They are a form of osteitis fibrosa cystica. [Source: Wikipedia ]

May Be Caused by
 Common
Acoustic schwannoma
Epidermoid
Metastasis to temporal bone
Parotid carcinoma
 Uncommon
Cancellous osteoma
Carcinoma of external auditory canal
Ceruminous gland tumor of external auditory canal
Chondrosarcoma
Compact osteoma
Cranial nerve IX schwannoma
Cranial nerve V schwannoma
Cranial nerve VII schwannoma
Cranial nerve X schwannoma
Cranial nerve XI schwannoma
Cranial nerve XII schwannoma
Exostosis of external auditory canal
Fibrosarcoma
Giant cell tumor
Glomus jugulare tumor
Glomus tympanicum tumor
Hemangioma
Leukemia
Lymphoma
Lymphosarcoma
Meningioma
Multiple myeloma
Osteosarcoma
Rhabdomyosarcoma
Soft tissue adenoma
Undifferentiated sarcoma

Copyright © 2022, Charles E. Kahn, Jr., MD, MS
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