Encapsulated Sinonasal Schwannoma

Scott, Brian L.; Sandt, Mandy Van; Loyo, Myriam

doi:10.1177/0145561318823321

Cited by 6 publications

(5 citation statements)

References 4 publications

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“…Schwannomas are peripheral nerve tumors that are most common in young adults [ 1 ]. Our case report is one the few of schwannoma in a pediatric patient [ 5 , 6 ], and while our patient had an asymptomatic, growing mass, other cases of nasal schwannoma in the literature presented with isolated nasal obstruction [ 2 , 7 , 8 ], accompanied by anosmia or voice changes [ 4 ] and epistaxis [ 9 , 10 ].…”

Section: Discussionmentioning

confidence: 99%

“…The surgical procedure depends on the tumor size, location, and invasion of adjacent structures [ 10 ]. Several surgical techniques are discussed in the literature, including open septorhinoplasty [ 7 ], lateral rhinotomy [ 10 ], and endonasal endoscopic excision [ 2 , 4 ], with latter considered the standard surgical approach [ 1 ].…”

Section: Discussionmentioning

confidence: 99%

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Subcutaneous Nasal Schwannoma in a Pediatric Patient: A Rare Case Report with Emphasis on Histopathology\'s Role in Differential Diagnosis

Al Katatbeh,

Zidan,

Jum\'ah

et al. 2023

Am J Case Rep

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Patient: Female, 9-year-old Final Diagnosis: Subcutaneous nasal schwannoma Symptoms: Painless nasal swelling Clinical Procedure: Excisional biopsy Specialty: Otolaryngology Objective: Rare disease Background: Schwannomas are rare and benign tumors of the nerve sheath, composed of Schwann cells, and they are extremely rare in the nasal area. Here, we report a case that presented to our clinic as a growing nasal mass and was found to be a unilateral subcutaneous schwannoma. There have been a few previous cases reported of such patients having nasal obstruction, epistaxis, or other symptoms, but our patient did not. We stress the importance of considering schwannoma in the differential diagnosis of nasal masses, even in pediatric patients, and the role of histopathology differentiating it from other diagnoses such as neurofibroma. Case Report: Our patient was a 9-year-old girl with a painless nasal swelling on the nasal bridge that she first noticed 2 years ago, which started growing gradually and began to become firm. She was otherwise asymptomatic and had no relevant family history. Histopathology revealed an encapsulated spindle cell tumor with both hypo- and hyper-cellular areas, and immunohistochemistry showed that the tumor was strongly positive for S-100 and negative for both desmin and CD34, with blood vessels marking. A final diagnosis of schwannoma was made. Conclusions: We presented a case of nasal septal schwannoma, emphasizing the importance of considering schwannoma in the differential diagnosis of nasal masses, and the role of histopathology to rule out other possible diagnoses.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Subcutaneous Nasal Schwannoma in a Pediatric Patient: A Rare Case Report with Emphasis on Histopathology\'s Role in Differential Diagnosis

Al Katatbeh,

Zidan,

Jum\'ah

et al. 2023

Am J Case Rep

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“…Hence, schwannomas limited to the nasal cavity are extremely rare, with approximately 20 reported cases in the literature. 7 In most reports, the nasal cavity schwannoma originated from the nasal septum, [6][7][8][9] and only in one case, the tumor origin was reported to be from the nasal sidewall.…”

Section: Discussionmentioning

confidence: 99%

Schwannoma of the lateral nasal wall: A case report

Barati

Mohseni

Asadi

et al. 2022

Clinical Case Reports

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“…Hence, schwannomas limited to the nasal cavity are extremely rare, with approximately 20 reported cases in the literature. (7) In most reports, the nasal cavity schwannoma originated from the nasal septum (6)(7)(8)(9), and only in one case, the tumor origin was reported to be from the nasal sidewall. This disorder usually occurs in the fifth and sixth decades of life and issues related to sex and race do not play a significant role in its occurrence (10).…”

Section: Discussionmentioning

confidence: 99%