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  • Title: Osteoblastic osteosarcoma of the mandible: findings on Tc-99m HMDP bone and Ga-67 citrate scintigraphy.
    Author: Takahashi T, Oguchi M, Kuga G, Higashi K, Tonami H, Yamamoto I, Segami N, Nojima T.
    Journal: Clin Nucl Med; 2005 Sep; 30(9):608-9. PubMed ID: 16100479.
    Abstract:
    A 25-year-old woman presented with a disturbance in the opening of her mouth 5 months before admission. On admission, painful swelling of the right preauricular region was revealed. Computed tomography (CT) demonstrated a soft tissue density mass around the right condylar process of the mandible. Tc-99m hydroxymethylene diphosphonate (HMDP) bone scintigraphy and Ga-67 citrate scintigraphy showed avid uptake in the mass. The tumor was histologically identified as an osteoblastic osteosarcoma of the right mandible. There are few reports of Ga-67 citrate scintigraphy findings of osteoblastic osteosarcoma of the mandible. The accumulation patterns on Tc-99m HMDP bone scintigraphy and Ga-67 citrate scintigraphy are possibly characteristic of osteoblastic osteosarcoma of the mandible.
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