Case Report
Copyright ©The Author(s) 2018.
World J Clin Cases. May 16, 2018; 6(5): 88-93
Published online May 16, 2018. doi: 10.12998/wjcc.v6.i5.88
Figure 1
Figure 1 Macrography of plexiform schwannoma. A: A multinodular cystic-solid mass of 5 cm × 3 cm is located on the right ischioanal fossa; B: The resected specimen shows a superficial vessel implanting into the tumour.
Figure 2
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.
Figure 3
Figure 3 Pathological results. A: Predominant Antoni A areas composed of spindle cells with palisading parallel rows are displayed by haematoxylin and eosin stain; B: Immunostain shows the tumour cells with diffuse immunoreactivity to S100 protein.