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  • Title: Endoscopic Excision of Primary Tracheal Schwannoma: A Case Report.
    Author: Alkhars HF, Al Muhaimid T, Al Abdulwahid F, Alharbi MA.
    Journal: Am J Case Rep; 2023 May 28; 24():e939823. PubMed ID: 37245071.
    Abstract:
    BACKGROUND Primary tracheal schwannoma is a rare neurogenic tumor. Early stage presents with nonspecific symptoms, and asthma is sometimes misdiagnosed. However, as the tumor grows, it presents with obstructive symptoms of the tracheal lumen. This tumor has been managed by open resection surgery until recently, when endoscopic excision became an option. The endoscopic excision reduces complications, operative time, and postoperative recovery period and is indicated in nonrecurrent surgical cases in which tumors are up to 2 cm in size, are pedunculated, and have no extratracheal extension, or in cases of poor cardiopulmonary status. We present a rare case of primary tracheal schwannoma managed by endoscopic excision. CASE REPORT A 37-year-old man was referred to our clinic with progressive shortness of breath and wheezing that started 3 months prior to presentation. Computed tomography showed a well-defined rounded, solid intraluminal tracheal mass at the proximal segment (at the level of the thoracic inlet). There was no extratracheal extension or enlarged cervical lymph nodes. The patient underwent endoscopic excision of the mass. A sickle knife, micro scissor, and suction diathermy were used for incision, stripping, and hemostasis done through the tumor pedicle. The first postoperative visit after 2 weeks showed subjective symptom improvement, and the flexible bronchoscope showed a completely healed surgical site with patent airway. Histopathological examination and immunohistochemistry confirmed the diagnosis of primary tracheal schwannoma. CONCLUSIONS Primary tracheal schwannoma is rare. An endoscopic excision is an excellent option, but patients need to be appropriately selected and followed up to avoid recurrence.
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