Schwannoma of the lower lip mimicking a mucocele in children

Menezes, Bruna Noemia Ferreira de; Cunha, John Lennon Silva; Chaves-Júnior, Samuel de Carvalho; Bezerra, Bruno Torres

doi:10.4322/acr.2019.134

Cited by 7 publications

(9 citation statements)

References 5 publications

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“…Regarding the minor salivary gland disorders affecting the tongue and the lower lip, mucocele was the most common diagnosis made. Our findings agree with the literature [17][18][19]. In the long-term, all the patients surgically treated for mucocele presented no signs of relapse, demonstrating that correct and prompt treatment can be resolutive.…”

Section: Obstructive Disorderssupporting

confidence: 92%

“…According to the literature, there is a lack of research dealing with malignant salivary tumors in children, mostly dated research or case reports [17,[29][30][31]. In accordance with Cockerill et al [25], who identified 56 patients (<18 years old) with malignant salivary gland tumors over a period of 60 years, in our findings, a greater prevalence of mucoepidermoid carcinoma was reported among the malignant group and the parotid gland was commonly involved.…”

Section: Oncologic Disorderssupporting

confidence: 84%

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Salivary Gland Disorders in Pediatric Patients: A 20 Years’ Experience

et al. 2022

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Salivary gland disorders are uncommon in children; they show a lower prevalence when compared to adults. The literature has a relative lack of information about the management and the different treatment protocols regarding these diseases. The aim of this research is to investigate the prevalence of both benign and malignant salivary gland disorders, focusing on diagnostic and therapy. An audit of patients diagnosed with salivary gland disorders was conducted from 2000 to 2020. 99 patients’ records were selected and analyzed: 51 males’ and 48 females’, age 10 ± 4 SD. Obstructive pathologies were the most frequently diagnosed (49 patients) followed by oncologic (21 patients), inflammatory (20 patients), rheumatologic (4 patients), malformative (3 patients) and infective disorders (2 patients). The parotid was the most affected major gland in 47 cases with a prevalence of diagnosis of juvenile recurrent parotitis (JRP) (40.4%), followed by the sublingual gland in 14 cases of ranula (100%) and the submandibular gland in 11 patients suffering from sialolithiasis (84.6%). Swelling was the most common symptom (75.7% of patients). Seven different neoplasms were documented. A greater prevalence of low-grade mucoepidermoid carcinoma among the malignant group (38.1% of oncologic cases) was noted. In regards to benign tumors, pleomorphic adenoma was the most common diagnosis (47.6% of cases). The symptoms and outcomes showed statistical significance concerning gender. Although salivary gland diseases in children and adolescents are rare, it is essential to observe and monitor all of the symptoms to intervene if necessary, as painless swelling is a symptom common from both benign and malignant diseases.

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Section: Obstructive Disorderssupporting

confidence: 92%

Section: Oncologic Disorderssupporting

confidence: 84%

Salivary Gland Disorders in Pediatric Patients: A 20 Years’ Experience

et al. 2022

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“… Author Year Age, yrs Gender Site Size, mm Provisional diagnosis Final diagnosis Cho et al [ 6 ] 2005 64 F Lower lip 10 × 10 Mucocele Acinic cell carcinoma Ishikawa et al [ 7 ] 2016 31 M Upper lip 12 × 10 × 10 Benign tumor or cyst Acinic cell carcinoma Melo et al [ 8 ] 2018 49 F Floor of the mouth 34 × 29 × 29 Mucocele Mucoepidermoid carcinoma Seo et al [ 12 ] 2012 43 M Buccal mucosa 35 Pleomorphic adenoma or lipoma Mucocele H. Lee [ 14 ] 2009 71 F Upper lip 3 × 3 Mucocele Adenocarcinoma S. Gudi [ 15 ] 2013 21 F Lower lip 10 × 10 Mucocele Schwannoma JL. Cunha [ 16 ] 2018 21 F Lower lip 150 Mucocele Neuroma B. Menezes [ 17 ] 2020 7 M Lower lip 80 Mucocele Schwannoma Present Case 2021 74 M Maxillary gingiva 8 × 18 Myxoid tumor Mucocele …”

Section: Discussionmentioning

confidence: 99%

“….udi et al explained a case of schwannoma in the lower lip and titled their report “Swelling on lower lip…not always a mucocele.” [ 15 ] On the other hand, a neuroma on the lower lip that clinically looked like a mucocele was reported by Cunha et al [ 16 ] In 2020, Menezes et al observed a schwannoma that simulated a mucocele in a 7-year-old child [ 17 ]. The characteristics the above-cited reports of different diagnoses at both preoperative and postoperative stages are summarized in Table 1 .…”

Section: Discussionmentioning

confidence: 99%

A challenging diagnosis of a mucocele in the maxillary gingiva: Case report and literature review

Elsayed

Shimo

Harada

et al. 2021

International Journal of Surgery Case Reports

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Introduction Mucoceles are mucous extravasation phenomena resulting from spontaneous ductal rupture or, less commonly, a traumatic cutting of a salivary excretory duct. Occasionally, the appearance of a mucocele closely resembles a neoplastic lesion, and it can be difficult to diagnose. Presentation of case A 74-year-old Japanese male patient was referred to our clinic with painless swelling related to the upper right canine-premolar area. Preoperative imaging of the lesion revealed that it was fluid-filled and the histopathological biopsy suggested a myxoid tumor. We excised the lesion with the patient under general anesthesia, using safety margins based on the histology of the biopsy specimen to reach the definitive diagnosis and treatment. The final pathological diagnosis was a mucocele in the vicinity with an aberrant small salivary gland. Follow-up visits showed complete healing of the epithelium, and no recurrence has been observed during the subsequent 30 months. Discussion In cases with a difficult definitive diagnosis based on medical history, diagnostic imaging and pathological examination, it is important to proceed carefully with the possibility of a tumor in mind. Conclusion This case emphasizes that some mucous cysts are challenging for clinicians in terms of diagnosis and treatment due to an uncommon presentation.

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“…A search of the literature identified 11 cases of schwannoma of the lower lip, including the present case, and excluding duplicate reports [3][4][5][6][7][8][9] (Table 1). Age at the time of schwannoma diagnosis ranged from 7 to 69 years (mean, 30.1 years).…”

Section: Case Reportmentioning

confidence: 99%

Relationship between Tumor Diameters and Antoni Classification for Schwannoma of the Lower Lip

et al. 2022

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Schwannoma is an uncommon benign tumor in the oral and maxillofacial region, and development of schwannoma in the lower lip is rare. Herein, we present the case of a 68-year-old woman who visited Nihon University Itabashi Hospital complaining of a painless mass in the lower lip. The lesion was surgically resected under local anesthesia.On histopathological examination, the resected specimen was a mixture of Antoni types A and B schwannoma. No recurrence has been seen over a postoperative follow-up period of 58 months. In the schwannoma of the lower lip, the mean tumor volume was compared for type A and the mixed type, which tended to be larger in the mixed type.No previous reports have described the relationship between the size of schwannoma in the lower lip and Antoni classification. Therefore, this report discusses the possibility of a relationship between tumor size and Antoni classification for schwannomas in the lower lip.

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Schwannoma of the lower lip mimicking a mucocele in children

Cited by 7 publications

References 5 publications

Salivary Gland Disorders in Pediatric Patients: A 20 Years’ Experience

Salivary Gland Disorders in Pediatric Patients: A 20 Years’ Experience

A challenging diagnosis of a mucocele in the maxillary gingiva: Case report and literature review

Relationship between Tumor Diameters and Antoni Classification for Schwannoma of the Lower Lip

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