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Breast cancer imaging studies with a variable field of view PET camera

机译:乳腺癌成像研究与可变视野宠物摄像头

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This is a study of the FDG breast cancer imaging capability of the prototype high resolution multi-ring variable field of view PET scanner developed at the University of Texas MD Anderson Cancer Center (MDAPET). For the primary lesion-imaging test, four small phantom lesions embedded into two different size cylindrical breast phantoms were imaged using the breast-mode of the camera. For the axillary-lesion imaging test, four small hot lesion phantoms taped to the armpits of a 68-kg volunteer injected with 3.5 mCi of FDG were imaged using a whole-body mode of the camera. The primary breast lesion imaging results show that a 3 mm lesion can be detected in both the small (Φ=11.5 cm) and large (Φ=16 cm) breast phantoms when the lesion standard uptake value (SUV) is greater than 2.5. In the whole body mode, axillary lesions of 6 mm can be detected for lesion SUV of 5 or more.
机译:这是在德克萨斯州德斯逊大学安德森癌症中心(MDAPET)开发的PET扫描仪FDG乳腺癌成像能力的研究高分辨率多环变量场。对于初级病变成像测试,使用相机的乳房模式对嵌入两个不同尺寸的圆柱形乳房映射到两个不同尺寸的圆柱形乳房模型的四个小型体膜病变。对于腋生成像试验,使用相机的全身模式对四个小的热病变幻影粘贴到注射有3.5mci的68kg志愿者的腋窝。主要乳腺病变成像结果表明,当病变标准摄取值(SUV)大于2.5时,可以在小(φ= 11.5cm)和大(φ= 16cm)乳房模型中检测3mm病变。在全身模式中,可以检测6mm的腋生病变,用于5个或更多的病变SUV。

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