Fig. 8From: Role of magnetic resonance imaging in the management of perianal Crohn’s diseaseComplete response after anti-TNF therapy. a Axial T2-weighted sequences at baseline show a complex left trans-sphincteric fistula with hyperintense paths (arrow); b Axial T2-weighted sequences after 24 weeks of treatment show that all paths have decreased in thickness and exhibit hypointensity (arrow)Back to article page