Schwannoma of the soft palate: Report of a case.

Yamashita, Naoyuki; Kameyama, Tadamitsu; Takenaka, Masazumi; Hieda, Teruo; Tanaka, Katsumi; Tanaka, Shun‐ichi; Nakamura, Yoshiaki; Sujaku, Chokudo

doi:10.5794/jjoms.31.2467

Cited by 2 publications

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“…From the included articles, clinical, histopathological, radiological, and treatment findings were charted ( Tables 1 and 2 ). 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54…”

Section: Resultsmentioning

confidence: 99%

“…The mean duration of the lesion from 38 reported cases was of 25.63 months (range: 5days–20 years), while in the remaining 8 cases no information about the duration of the tumor could be retrieved (either the exact numerical duration was not stated, or the lesion was incidentally detected). 10 17 33 38 39 44 46 47 Some articles reported the duration of onset in days, weeks or years. Therefore, the approximate lesional age was converted and charted into months.…”

Section: Resultsmentioning

confidence: 99%

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Palatal Schwannoma: An Analysis of 45 Literature Reports and of an Illustrative Case

Dokania

Rajguru

Mayashankar

et al. 2019

Int Arch Otorhinolaryngol

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Introduction Schwannomas are benign tumors originating from differentiated Schwann cells. Being the least common intraoral neoplasm of neural origin, it is rarely seen in the palate. The literature lacks an extensive review of intraoral schwannoma confined to the palate. Objective To review previously reported cases of palatal schwannoma along with an illustrative case, and to provide a better insight regarding clinicopathological and radiological features of this neural tumor in a rare intraoral site. Data Synthesis We present a case of palatal schwannoma in a 16-year-old female. An additional 45 cases were identified in 2 medical database searches (PubMed and Google Scholar) published from the year 1985 onwards, and from 13 countries, in the 5 continents. The ages of the patients ranged from 3 to 84 years old. Palatal schwannoma showed a slight predilection to females, with a male/female ratio of ∼ 1:1.81. Hard palate involvement is almost twice greater than soft palate involvement. Surgical excision was employed in almost all of the cases, and recurrence was reported only once. Conclusion Palatal schwannomas, although rare, have been reported both over the hard and the soft palate. They mostly present as a painless, firm, well-encapsulated, slow-growing solitary lesion over the lateral palatal aspect.Imaging can add to suspicion and can delineate a differential diagnosis, but the diagnosis is confirmed by pathological examination. Fine-needle aspiration cytology (FNAC) is almost always inconclusive. Immunohistochemistry can assist in confirming a diagnosis, but is more important to rule out close differentials. Complete surgical excision is the treatment of choice, and recurrence or malignant transformation are extremely rare.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Palatal Schwannoma: An Analysis of 45 Literature Reports and of an Illustrative Case

Dokania

Rajguru

Mayashankar

et al. 2019

Int Arch Otorhinolaryngol

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A case of neurilemoma of the palate.

et al. 1987

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A case of neurilemoma on the palatal region of a 44 year-old man was observed.The patient noticed a tumor on the right palatal region during treatment for dental caries, and came to our hospital for an examination. No particular change in facial findings was observed, and a small tumor (about 15•~12 mm) covered with healthy mucosa was found in the right palatal region. The clinical diagnosis was p'eomorphic adenoma, and the patient was operated on under general anesthesia.Histopathologically, the tumor tissue was full of hyperplastic nuclear spindle cells partially in a shelf arrangement.S-100 protein staining by the PAP method gave a positive reaction. With scanning and transmission electron microscopy the tumor tissue appeared fascicular and had a convoluted arrangement in each direction. These findings were suggestive of a Schwann cell origin for the tumor.

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Schwannoma of the soft palate: Report of a case.

Cited by 2 publications

References 1 publication

Palatal Schwannoma: An Analysis of 45 Literature Reports and of an Illustrative Case

Palatal Schwannoma: An Analysis of 45 Literature Reports and of an Illustrative Case

A case of neurilemoma of the palate.

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