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Diffusion-weighted MRI for evaluating perianal fistula activity: feasibility study

, : Diffusion-weighted MRI for evaluating perianal fistula activity: feasibility study. European Journal of Radiology 81(9): 2049-2053

Assess the feasibility of using diffusion-weighted magnetic resonance (MR) imaging (DWI) for evaluating perianal fistula activity. Materials and methods: This study retrospectively assessed 24 patients with clinically suspected perianal fistula who underwent a total of 28 MR examinations after conservative treatment with antibiotics. DWI was performed at 1.5T, using b-values of and 1s/mm2. Apparent diffusion coefficient (ADC) maps were created and ADCs of the lesions were measured. Lesions were classified into two groups based on the need for surgery and surgical findings: positive inflammation activity (PIA) and negative inflammation activity (NIA). ADCs of both groups were compared using an unpaired.


PMID: 21767926

DOI: 10.1016/j.ejrad.2011.06.052

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