Saturday, August 14, 2010



Hyperparathyroidism
-Brown tumors can occur in any bone and present as osteolytic lesions with sharp margins. Septa and ridges may be seen.
-Differential diagnosis: ABC, metastases and GCT depending on location and age.
-On the above a patient who had a nefrectomy for renal cell carcinoma and who was on dialysis. Multiple well-defined osteolytic lesions were found on a follow up CT scan.
-The differential diagnosis included metastases and Brown tumors in hyperparathyroidism. Biopsy revealed Brown tumor.
-Discriminators: Must have other signs of HPT.


http://www.radiologyassistant.nl/en/4bc6176e56228

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