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[Cyst and pseudocyst lesions of the floor of the mouth with submental affectation].

[Article in Spanish]

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Servicio de Otorrinolaringología, Hospital General Universitario de Valencia, Facultad de Medicina de Valencia.


There are several lesions which can present as a cyst or pseudocyst of the floor of the mouth with submental repercussion. The aim of this paper is to review the diagnosis methods which can help us to differentiate these lesions such as the surgical peculiarities of every tumour. We are reporting two cases of cystic/pseudocystic lesions of the floor of the mouth with submental repercussion. Both of them were epidermoid cysts. Ranulas, lipomas and lymphangiomas should be considered in the differential diagnosis. Imaging diagnosis, fine needle aspiration and adequate treatment in all of the tumours are reviewed. Both cases were operated via intraoral. They are now free of disease after at least one year. Differential diagnosis of cystic lesions of the floor of the mouth is important because the recommended surgery technique is not exactly the same in all of them. The firmness of the wall of dermoid cysts let their exeresis via intraoral even when they are of a big size. Exeresis of sublingual gland is recommended by most authors to treat ranulas, although it is followed by an important percentage of morbidity.

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