Treatment of primary tracheal schwannoma with endoscopic resection: A case report

Figure 1 Bronchoscopic view and computed tomography scan of the chest showing the tracheal tumor. A-C: Three different observation positions were observed during bronchoscopy: Distant (A), middle (B), near (C); D: Computed tomography (CT) scan, lung window; E: CT scan, mediastinal window.

Figure 2 Results of hematoxylin and eosin staining and immunohistochemistry of tumors. A: Photomicrograph of hematoxylin and eosin staining; B: Photomicrograph of S100 staining; C: Photomicrograph of Vimentin staining; D: Photomicrograph of CD57 staining.

Figure 3 The process of tumor resection with a high-frequency electric knife. A-C: Diagram of surgery; D: Resected tumor specimen.

Figure 4 Postoperative re-examination. A-C: Bronchoscopic view; D and E: Computed tomography scan of the chest.