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Insights into Imaging
Fig. 9 | Insights into Imaging

Fig. 9

From: Endoscopic stenting of malignant, benign and iatrogenic colorectal disorders: a primer for radiologists

Fig. 9

Stent management of an extracolonic pelvic tumour and neoplastic outgrowth. After diagnosis of local recurrence (arrowheads in CT, a) of previously resected rectal cancer causing upstream bowel obstruction (*), palliative positioning of a SEMS (thick arrows) was performed (post-procedural CT (b), intraprocedural fluoroscopy in inset). Despite intensive chemotherapy, follow-up MRI including sagittal T2- (c), post-gadolinium sagittal (d) and fat-suppressed axial (e) T1-weighted images confirmed patent SEMS (thick arrows) and progressive inhomogeneity of tumour mass (arrowheads) consistent with abscess formation and development of fistulisation through the right ischiatic foramen (thin arrow in e). The neoplastic recurrence (arrowheads in CT, f) ultimately grew to massive size causing ventral dislocation and compression of the SEMS (thick arrow)

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