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Fig. 22 | Insights into Imaging

Fig. 22

From: Incidental findings in and around the prostate on prostate MRI: a pictorial review

Fig. 22

GIST Well-circumscribed submucosal 5 cm heterogeneous mass (white arrow) arising from the right posterolateral wall of the lower rectum is (a) predominantly T2 hyperintense relative to rectal wall with (b) and (c) sagittal and axial T1 fat saturation post-contrast sequences showing vivid contrast enhancement. The mass is seen posterior to the prostate in B (red arrow). Biopsy confirmed spindle-type histologically low-grade GIST

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