PMC6375111_01
Band-like cystic mass seen on the follow-up ultrasound.
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A follow-up US 10 days later, by the same radiologist identified a gross increase in the size of the abdominal mass, now dislocating the bowels and causing an obstruction (Figure 1).
MRI showed multilocular cystic mass involving the mesenteries.
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Based on the imaging, we had a strong suspicion of dealing with a solid tumor originating from the retroperitoneal space or the mesenteries (Figure 2).
Microscopic picture showing typical changes for PIL: dilated lymphatics in subserosa, submucosa and lamina propria.. Note: Scale bars represent 500mum.. Abbreviation: PIL, primary intestinal lymphangiectasia.
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Pathologic examination was consistent with intestinal lymphangiectasia based on the dilated lymphatic system/vessels in the submucosa, subserosa and even in lamina propria (Figure 3).