From the Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India.
Clin Nucl Med. 2015 Jul;40(7):567-8. doi: 10.1097/RLU.0000000000000785.
Superscan is a well-known finding described in skeletal scintigraphy characterized by intense radiotracer uptake in axial skeleton and decreased uptake in soft tissues and kidneys. Metabolic skeletal superscan has also been described in ¹⁸F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) in various conditions. We describe here a case of 12-year-old boy who presented with a scalp swelling, progressive pallor, easy fatigability, poor appetite, and fever for 6 months. The initial diagnosis was inconclusive. ¹⁸F-FDG PET/CT revealed metabolic skeletal superscan and the final histopathological diagnosis was acute lymphoblastic leukemia.
超级扫描是骨骼闪烁显像术上的一个著名表现，其特征为骨骼摄取放射性示踪剂增加，软组织和肾脏摄取减少。¹⁸F-氟脱氧葡萄糖（FDG）正电子发射断层扫描（PET）/计算机断层扫描（CT）在各种情况下也有代谢性骨骼超级扫描的描述。我们在此描述了 1 例 12 岁男孩，其表现为头皮肿胀、进行性苍白、易疲劳、食欲不振和发热 6 个月。最初的诊断不确定。¹⁸F-FDG PET/CT 显示代谢性骨骼超级扫描，最终组织病理学诊断为急性淋巴细胞白血病。
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