Pediatric schwannoma of the tongue: A case report and review of literature

Figure 1 Intraoperative view. A: Preoperative view of the tongue lesion with intact ventral mucosa; B: Macroscopic view of the well-encapsulated, 17 mm × 14 mm × 7 mm sized tumor.

Figure 2 Hematoxylin and eosin stained. A: Histological picture showing the typical biphasic appearance of schwannoma [hematoxylin and eosin (H&E) stained, original magnification × 100]. Densely packed spindle cells (Antoni A areas, left side) with a typical palisading arrangement (Verocay bodies) to loose hypocellular arrangements (Antoni B areas, right side); B and C: Antoni A areas composed of Verocay bodies which consists of a stacked arrangement of two rows of elongated palisading nuclei that alternates with acellular zones (H&E, × 200 and × 400); D: Immunohistochemical staining with S-100 (× 200) was strong and diffusely positive.