PMC7240175_01
Preoperative MRI and FDG-PET findings of Case 1.. Preoperative MRI showed a well-demarcated T1 low, T2 mixed intensity extramural tumor behind the seminal vesicle that was located between the right lateral wall of the low rectum and the right lateral pelvic wall. In FDG-PET, an accumulation of SUV was not shown corresponding to a 5.3 x 3.6 cm mass was identified.
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A CT scan revealed a well-demarcated encapsulated tumor (maximum length 60 mm) with contrast enhancement at the right anterior to lateral side of the rectum. A preoperative MRI showed a well-demarcated T1 low, T2 mixed intensity extramural tumor behind the seminal vesicle located between the right lateral wall of the low rectum and the right lateral pelvic wall (Fig. 1).