Surgical resection of a large hypopharyngeal hemangioma in an adult using neodymium-doped yttrium aluminum garnet laser: A case report

Figure 1 Preoperative laryngoscopic examination showing a hypopharyngeal hemangioma. A submucosal vascular lesion extending into the epiglottis, left arytenoid cartilage, lateral to the aryepiglottic fold, and pyriform sinus was visualized.

Figure 2 Computed tomography showing a vascular tumor (arrow) in the hypopharynx.

Figure 3 Histopathological examination of the tumor showed a cavernous hemangioma. Vascular hyperplasia and hemangiectasis were observed beneath the squamous mucosal layer. A and C: Hematoxylin and eosin staining (40 ×); B and D: Hematoxylin and eosin staining (100 ×); E: Immunohistochemical staining for CD31 (40 ×); F: Immunohistochemical staining for CD31 (100 ×); G: Immunohistochemical staining for Desmin (40 ×); H: Immunohistochemical staining for Desmin (100 ×).

Figure 4 Postoperative laryngoscopy of the patient. A: Laryngoscopic examination demonstrating reduced mucosal edema and absence of bleeding; B: Laryngoscopic examination showing excellent repair of the arytenoid cartilage mucosal incision.

Figure 5 Laryngoscopy performed on November 14, 2018 showed no recurrence of the hypopharyngeal hemangioma.