A Nasal Mass Discovered During Intubation

Chiang, Angela F.; Isaiah, Amal; Vakharia, Kalpesh T.

doi:10.1001/jamaoto.2014.2820

JAMA Otolaryngol Head Neck Surg

2015

DOI: 10.1001/jamaoto.2014.2820

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A Nasal Mass Discovered During Intubation

Angela F. Chiang

Amal Isaiah

Kalpesh T. Vakharia

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Cited by 3 publications

(2 citation statements)

References 10 publications

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“…On magnetic resonance imaging, schwannomas are generally isointense on T1-weighted images relative to skeletal muscle with increased and slightly heterogeneous signal on T2-weighted images. 5 On CT scans ( Figure 1A), schwannomas appear well circumscribed and fusiform with relatively common contrast enhancement. Internal cystic changes are seen with larger tumors, which represent mucinous degeneration, hemorrhage, necrosis, and microcyst formation.…”

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confidence: 99%

“…8 Antoni A and B are cytoarchitectural patterns that typify histopathologic diagnosis of schwannomas. 5 Type A areas are highly cellular and demonstrate nuclear palisading and associated Verocay bodies, which manifest from prominent extracellular matrix and the secretion of laminin. Type B areas on the other hand are sparsely populated-with myxomatous and cystic changes-and thus may represent degenerated Antoni A tissue.…”

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An Unusual Neck Mass in a Child

2019

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A 14-year-old boy presented with a 3-month history of a leftsided parotid mass. It had increased in size over 6 months. The mass was nontender, mobile, and without any cutaneous changes. The head and neck examination, including facial nerve function, was unremarkable.A contrast-enhanced computed tomography (CT) scan revealed a heterogeneous encapsulated lesion (3 cm Â 4 cm) with cystic areas within the left parotid gland. A fine needle aspiration (FNA) biopsy revealed irregular lobules and cords composed of fine fibrillary material, with scattered round and spindled stromal cells.Following a superficial parotidectomy, histopathological examination showed a 4.5 cm Â 3.1 cm Â 2.5 cm mass. Sections demonstrated a well-circumscribed lesion composed of spindled cells predominantly arranged in cords. A rim of salivary glandular tissue was present all around the mass. An immunohistochemical stain for S100 showed diffuse cytoplasmic and nuclear positivity. A diagnosis of schwannoma was made.Schwannomas are uncommon tumors that arise from cranial, peripheral, or autonomic nerves. 1 Extracranial schwannomas have a predilection for the scalp, face, and the external auditory canal, accounting for about 25% to 40% of all head and neck nonvestibular schwannomas. 2 They usually present gradually and thus are often diagnosed incorrectly. However, better imaging and cytological techniques have enabled earlier and more definitive diagnosis.Schwannomas of the parotid gland are exceedingly rare in children. For example, a review of 324 consecutive pediatric salivary gland masses revealed that the most common benign tumor was a hemangioma, accounting for about 60%, followed by lymphovascular malformations representing another 30%. 3 Only one schwannoma was seen in this case series. There are few other sporadic reports of nonvestibular schwannomas within the head and neck in children. 4 In addition to facilitating diagnosis, preoperative imaging facilitates delineation of the tumor from surrounding structures. On magnetic resonance imaging, schwannomas are generally isointense on T1-weighted images relative to skeletal muscle with increased and slightly heterogeneous signal on T2-weighted images. 5 On CT scans ( Figure 1A), schwannomas appear well circumscribed and fusiform with relatively common contrast enhancement. Internal cystic changes are seen with larger tumors, which represent mucinous degeneration, hemorrhage, necrosis, and microcyst formation. 6

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confidence: 99%

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confidence: 99%

An Unusual Neck Mass in a Child

2019

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A Rare Neurilemmoma of the Nasal Vestibule: A Case With the Review of Literature

Zhou,

Kong,

et al. 2024

Ear Nose Throat J

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A variety of diseases can affect the nasal vestibule. It might be challenging to diagnose and treat a nasal vestibular tumor due to the anatomical characteristics of the nasal vestibule. Neurilemmoma is a tumor derived from Schwann cells of the nerve sheath. Less than 4% of these tumors invade the nasal cavity and sinuses. Nasal vestibule neurilemmoma is rare, it is often overlooked when a mass discovered. The diagnosis of it is mainly based on clinical symptoms, nasal endoscopy, and imaging, The mainstay of treatment is complete resection surgery. Pathological examination provides the final diagnosis. We present a patient with nasal vestibule neurilemmoma who underwent a successful endoscopic surgery without cosmetic deformity, and discuss the clinical manifestations, histological features, imaging features, differential diagnosis, treatment options, then reviewed relevant literature of this rare benign lesion.

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Schwannoma of the sinonasal tract: case report with review of the literature

Lee

Grammatopoulou

Bagwan

et al. 2021

annals

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Schwannomas of the sinonasal tract are rare, accounting for <4% of head and neck schwannomas. We report the case of a 61-year-old male who presented with unilateral nasal symptoms. Examination and imaging revealed a unilateral polyp at the level of the middle turbinate, with an initial biopsy suggestive of an inflammatory polyp. Due to the persistence of the patient’s symptoms and his polyp despite medical therapy, endoscopic nasal polypectomy was performed. The histology surprisingly showed a schwannoma. No further interventions were carried out, and the patient remains disease-free 6 months postoperatively. A review of the literature comprising 60 cases is included. An optimal clinical approach to the investigation and management of schwannomas of the sinonasal tract is subsequently discussed.

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A Nasal Mass Discovered During Intubation

Cited by 3 publications

References 10 publications

An Unusual Neck Mass in a Child

An Unusual Neck Mass in a Child

A Rare Neurilemmoma of the Nasal Vestibule: A Case With the Review of Literature

Schwannoma of the sinonasal tract: case report with review of the literature

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