Bowel mesentery (meso-appendix) microcystic/reticular schwannoma: Case report and literature review

Figure 1 Computed tomography scan of the abdomen revealing a well-circumscribed mass (arrow) with isodensity located distal to the appendix.

Figure 2 Pathological findings (Hematoxylin-eosin staining). A: Low power showing a thin fibrous capsule at the periphery (arrow) (× 20); B: Prominently myxoid areas (ellipse) (× 40); C: High magnification illustrating lacelike (arrow) (× 200); and D: Microcystic (ellipse) (× 100) arrangement of tumor cells.

Figure 3 Immunohistochemical staining (EnVision method). A: S100 protein (× 100); B: Protein gene product 9.5 (× 100).