OZET Ranula agiz tabaninda yer alan, tukuruk bezleri veya kanalinin hasari sonucu dokuda biriken mukusa cevre dokunun verdigi cevap sonucu olusan, submandibular veya sublingual bez orjinli mukoselleri tanimlamak icin kullanilan bir terimdir. Bu olgu raporu 20 yasinda, agiz tabaninda agrisiz sislikle basvuran bir erkek hastanin klinik ve ultrasonografi bulgularini da iceren radyolojik bulgularini sunmaktadir. Sonuc olarak USG goruntuleme yontemi ranula icin kesin tani koydurucu olmasa da taniya yardimci, onemli bir goruntuleme yontemi olarak sayilabilir. Anahtar kelimeler: Ultrasonografi(USG), Ranula SUBLINGUAL RANULA: A CASE REPORT ABSTRACT The term ranula is used to describe mucoceles originated from submandibular and sublingual gland occuring on the floor of the mouth developing from extravasation of mucous after damage to the salivary gland or ducts. This report is presented clinical and radiological findings including USG of 20 years old male patient with painless swelling on the floor of the mouth. As a result of ultrasound imaging in the diagnosis of ranula is not a definitive diagnostic imaging method but can be considered as a supporter imaging modality. Key words: Ultrasonography(US), Ranula