Stafne bone cavity (SBC) was mostly described as a small oval radiolucency in the posterior mandibular region. To the best of our knowledge, the literature does not contain any report of the use of cone beam CT (CBCT) sialography for the diagnosis of this entity. The aim of this paper is to present a large, irregular and expanded atypical SBC, which made diagnosis difficult. A CBCT sialography was performed to get a definite diagnosis of this rare entity.
Synovial chondromatosis (SC) is rare in the temporomandibular joint (TMJ). Plain radiographs, CT, MRI and arthrography of the TMJ have been used for the diagnosis of SC. The purpose of this paper is to present ultrasonographic and arthrographic diagnoses of a case of SC of the TMJ.
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