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KMID : 1148920200540040199
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Nuclear Medicine and Molecular Imaging
2020 Volume.54 No. 4 p.199 ~ p.203
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68Ga DOTA-TOC Uptake in Non-ossifying Fibroma: a Case Report
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Khalaf Aysar
Hirmas Nader
Anwer Farah
Al-Ibraheem Akram
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Abstract
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Non-ossifying fibroma (NOF) is a common benign bone tumor with a high probability of occurrence in children and adolescents. It is commonly seen in the metaphysis of long bones, eccentrically located, and can coexist with other malignant tumors such as neuroendocrine tumors (NET). To date, plain radiographs play a major role in the diagnosis of these benign bone tumors. Herein, we report the case of a 13-year-old male patient who was diagnosed with pulmonary NET and underwent right lung lobectomy for a hilar mass which later revealed a well-differentiated NET. The follow-up 68Ga DOTA-TOC PET/CT showed a focal somatostatin receptor expression in the left distal femur, with corresponding CT component findings of a well-defined osteolytic bone lesion located within the medial aspect of the left distal femoral metaphysis, strongly indicative of NOF. To the best of our knowledge, this is the first reported case of such an occurrence.
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KEYWORD
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Non-ossifying fibroma, Benign bone tumor, Right lung neuroendocrine tumor, 68Ga DOTA-TOC, Positron emission tomography and computed tomography
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