FIELD: medicine.;SUBSTANCE: method of treating sublingual cysts consists in removing a pre-dissected cyst envelope from the sublingual region by liquid nitrogen crysdestruction, evacuating the cyst content by washing the cavity with an antiseptic until the water runs clear and introducing a haemostatic membrane into the cavity. The cryodestruction involves the three cyst wall exposures for 20-30 by means of a spherical cryodestructor of 0.5-2.0 cm in diameter.;EFFECT: method of treating enables avoiding the surrounding tissue involvement, reducing the length of treatment, and eliminating a recurrent cyst.
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