Magnetic resonance imaging findings for differential diagnosis of perianal plexiform schwannoma: Case report and review of the literature

Figure 2 Coronal magnetic resonance imaging features. A: T1-weighted images demonstrate a well-defined subcutaneous mass located on the right ischioanal fossa with an isointense signal; B: T2-weighted images demonstrate that the mass is divided into multiple heterogeneously hyperintense nodules by intratumoral capsules; C: T1-weighted images after administration of intravenous contrast demonstrate homogeneously intense enhancement of the nodules, but with unenhanced intratumoral fibrous capsules.