J Oral Med Oral Surg
Volume 25, Number 4, 2019
|Number of page(s)||4|
|Section||Cas clinique et revue de la littérature / Up-to date review and case report|
|Published online||17 September 2019|
Up-to Date Review And Case Report
Oral manifestations of a sinus melanoma: case report and literature review
Department of Oral Surgery, School of Dentistry, Université Claude Bernard 69007 Lyon, France
2 Head and Neck Unit, Surgical Oncology Department, Léon Bérard Regional Center for the Fight Against Cancer, 28 rue Laennec, 69008 Lyon, France
3 Department of Dermatology, Saint Eloi Hospital, 34295 Montpellier, France
4 Private Practice, Radiotherapy Center Marie Curie, 26000 Valence, France
* Correspondence: email@example.com
Accepted: 25 April 2019
Introduction: Mucosal melanoma (MM) is a rare malignancy of the head and neck. Sinonasal melanomas are the most frequent, followed by oral melanomas. Observation: A 67-year-old patient with a known left sinus melanoma initially treated with immunotherapy was referred for consultation concerning mobile teeth. A pigmented lesion infiltrating the left maxillary arch in the molar area was detected. The malignancy had invaded the oral mucosa. Despite many proposed treatments (immunotherapy, chemotherapy, and radiotherapy), the patient showed metastatic progression, which resulted in death. Discussion: Sinus MMs are malignancies with poor prognosis because these are often diagnosed in the late stages of disease progression. As these tumors are rare, there is no treatment consensus and surgery remains the best option. Diagnosis of pigmented lesions of the oral mucosa is sometimes complicated because of various implied etiologies. Conclusion: This case report shows that sinus MMs can induce pigmentation in the oral mucosa. These are rare malignancies with poor prognosis, for which no treatment consensus exists to date.
Key words: mucosal melanoma / sinus melanoma / pigmentation of the oral mucosa
© The authors, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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