From the case: Brown tumor

CT
7th rib lytic les...
Axial C+ portal venous phase
7th rib lytic lesion
Modality: CT (C+ portal venous phase)

- “ Hyperparathyroidism with multiple brown tumors. Parathyroid hormone level is 42 pmol/L (normal range: 1.6 - 7.2) ”

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