PMC3764691_01
Fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) Maximum intensity projection (MIP) image (a) showing multiple foci of abnormal tracer uptake. Transaxial thoracic CT (b) and fused PET/CT image (d) show increased FDG uptake in an irregular, heterogeneously enhancing soft-tissue mass (white arrow) in the paravertebral region in the upper lobe of the right lung with calcification within the mass. Increased FDG uptake is also seen in a peripherally enhancing ring like lesion in the trapezius (red arrow). Axial CT (c) and fused PET/CT (e) images at the level of the rectum show increased FDG uptake in a heterogeneously enhancing pre-sacral soft-tissue deposit
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F1
Increased FDG avidity (standardized uptake value [SUVmax] 9.0) was detected in an irregular heterogeneously enhancing soft-tissue mass in the right paravertebral region in the upper lobe of the right lung with a focus of calcification within the mass [Figure 1b and d, white arrow]. Abnormal FDG uptake was also noted in a presacral mass [Figure 1c and e], the bulky left adrenal gland, several dorsal vertebrae and multiple lesions in the trapezius [Figure 1b and d, red arrow], right brachioradialis [Figure 2], deltoid, and right external oblique muscles [Figure 3], suggestive of metastatic involvement.
Coronal and transaxial computed tomography (CT) (a and c) and fused positron emission tomography/CT (b and d) images of the right hand showing increased fluorodeoxyglucose uptake in the right brachioradialis muscle with no increase in attenuation (probably because the images were acquired after completion of the whole body PET scan)
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F2
Abnormal FDG uptake was also noted in a presacral mass [Figure 1c and e], the bulky left adrenal gland, several dorsal vertebrae and multiple lesions in the trapezius [Figure 1b and d, red arrow], right brachioradialis [Figure 2], deltoid, and right external oblique muscles [Figure 3], suggestive of metastatic involvement.
Axial computed tomography (a) and fused positron emission tomography/computed tomography (b) images showing increased tracer uptake in a ring-like hyperenhancing lesion in the right external oblique muscle suggestive of muscle metastasis
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F3
Abnormal FDG uptake was also noted in a presacral mass [Figure 1c and e], the bulky left adrenal gland, several dorsal vertebrae and multiple lesions in the trapezius [Figure 1b and d, red arrow], right brachioradialis [Figure 2], deltoid, and right external oblique muscles [Figure 3], suggestive of metastatic involvement.