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[Cyst of submandibular gland: report of 1 case and review of the literatures].

This paper reported a 16-year-old girl suffering from painless swelling in the right submandibular region which was diagnosed as ranula, but during the surgery, it was seen that the cyst was closely related to the submandibular gland and it was proved by pathological diagnosis as submandibular cyst. Submandibular cyst and ranula should be distinguished clinically, in order to avoid misdiagnosis and mistreatment.