A schwannoma is a neurogenic tumour arising from nerve sheaths. Between 25% and 45% of schwannomas occur in the head and neck region. Schwannomas of the larynx are extremely rare. They usually occur in women during the fourth and fifth decades of life. We present a case of a laryngeal schwannoma in a 76-year-old patient with acute stridor, hoarseness and dysphagia. Laryngeal conservation surgery was performed without the need for a tracheostomy. One year later, the patient remains symptom-free with no evidence of recurrence. Clinical presentation, diagnosis and management are discussed and the literature is reviewed.
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http://dx.doi.org/10.1136/bcr-2016-214682 | DOI Listing |
Auris Nasus Larynx
December 2024
Department of Neurosurgery, Fukushima Medical University School of Medicine, Japan.
Objective: NF2-related schwannomatosis (NF2) is characterized by bilateral vestibular schwannomas (VS), often causing severe damage to the bilateral auditory function. Auditory brainstem implantation (ABI) provides hearing-impaired patients with an opportunity to reacquire auditory sensation through electrical stimulation of auditory neurons in the cochlear nucleus. However, ABI is not covered by public health insurance in Japan, leading to a large difference in financial burden compared to cochlear implantation (CI).
View Article and Find Full Text PDFJ Voice
August 2024
Department of Otorhinolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Objective: Schwannomas originating within the larynx are rare and there is no clear consensus on the diagnostic workup or treatment. This study aims to explore the clinical features of laryngeal schwannoma and evaluate the surgical method of transoral endoscopic excision, especially with coblation.
Methods: Data from patients diagnosed with laryngeal schwannoma who underwent surgery at Peking Union Medical College Hospital from 2017 to 2022 were retrospectively analyzed.
Auris Nasus Larynx
October 2024
Department of Otolaryngology-Head and Neck Surgery, Sapporo Medical University School of Medicine, Minami 1-jo Nishi 16-chome, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan.
Objective: The objective of this study was to assess the utility of narrow-band imaging (NBI) for improving intraneural dissection during gross total resection of head and neck schwannoma. Specifically, we aimed to quantitatively evaluate whether NBI can enhance the identification of pseudocapsule and true capsule within the tumor.
Methods: Nine schwannoma surgery cases conducted between February 2018 and October 2022 were retrospectively analyzed.
BMJ Case Rep
July 2024
All India Institute of Medical Sciences - Mangalagiri, Guntur, Andhra Pradesh, India.
Laryngeal schwannoma is a rare type of neurogenous tumour with a non-specific presentation. We present a case of a middle-aged man with issues of hoarseness, globus sensation and intermittent episodes of throat pain. The Hopkins examination showed right vocal fold irregularity with fullness in the right ventricle.
View Article and Find Full Text PDFHeliyon
June 2024
Department of Otolaryngology - Head and Neck Surgery, Hotel Dieu de France Hospital, Saint Joseph University, 166830 Ashrafieh, Beirut, Lebanon.
Cervical sympathetic chain schwannomas are uncommon benign tumors that usually develop in the retrostyloid compartment of the parapharyngeal space. Differentiating cervical sympathetic chain schwannomas from other lesions of the retrostyloid parapharyngeal space can be very difficult. We present a case of a major ingrowth of a cervical lesion, covering the larynx and obstructing the airway beyond the midline.
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