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Insights into Imaging
Fig. 10 | Insights into Imaging

Fig. 10

From: Imaging assessment after pancreaticoduodenectomy: reconstruction techniques—normal findings and complications

Fig. 10

Collapsed loop vs tumor recurrence. The MRI role. 58-year-old male patient during routine follow-up after pancreaticoduodenectomy due to pancreatic adenocarcinoma. (a, b) Control CT scan. Well-defined enhancing soft tissue image (arrowhead) between the afferent loop (curved arrow) and the pancreaticojejunostomy. Collapsed loop versus tumor recurrence were suggested as possible diagnosis, so MRI was indicated. (c, d, e, f) MRI performed three days later revealed a heterogeneous ill-defined mass located between afferent loop (curved arrow) and pancreaticojejunostomy (straight arrow in d). Note the better tissue differentiation of MRI over CT, ruling out collapsed loop diagnosis. Restriction on DWI (e) and contrast enhancement (f) was also noted (arrowhead in e and f). Local recurrence was confirmed by PET-CT

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