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Updated: Jul 2, 2025

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Differentiating Brown Tumor From Bone Metastasis in Parathyroid Cancer Using 18 F-FDG PET and 99m Tc-MIBI SPECT
Suzune Tsukamoto1, Kazuna Kawabata1, Hitomi Kawamura2
1From the Department of Diagnostic Radiology, Hyogo Prefectural Amagasaki General Medical Center, Hyogo.
Parathyroid cancer can metastasize to bone, causing osteolytic lesions. This case highlights the importance of histopathology in differentiating metastatic cancer from brown tumors secondary to hyperparathyroidism.
Area of Science:
- Oncology
- Endocrinology
- Radiology
Background:
- Parathyroid cancer is a rare endocrine malignancy.
- Metastatic disease can present with osteolytic lesions, mimicking other bone pathologies.
- Distinguishing metastatic parathyroid cancer from benign conditions like brown tumors is crucial for patient management.
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