Several years ago "A Guide to the Radiographic Identification of Prosthetic Heart Valves" (Circulation 57:613, 1978) described the radiographic silhouettes of 40 different cardiac prosthesis in clinical use. Since that time a number of prostheses have been developed and introduced to clinical practice. Ten of these newer prostheses manufactured by six domestic companies were photographed and ra...

introduction: papillon-lefèvre syndrome(pls) characterized by palmoplantar hyperkeratosis is a rare autosomal recessive genetic disorder with rapidly progressive periodontitis and premature loss of both deciduous and permanent teeth. in this study, we report the clinical and radiographic features of papillon-lefèvre syndrome in an 11- year-old girl and we also discuss the history and various th...

  Purpose: To recognize affective factors in delivering X-ray contrast agents (which have high atomic number) via gallium carrier to liver or lymphatic neoplasm cells.   Materials and Methods: Since uptake of gallium by liver has been reported in numerous researches, it was bonded with a contrast media (metrizoate). X-ray imaging was done to determine geometric features of liver.   Results: Rad...

Central mucoepidermoid carcinoma (MEC) of the jaws is rare and it comprises 2–3% of all MECs reported in the literature. It may be similar to a glandular odontogenic cyst (GOC), mainly in incisional biopsies. The precise diagnosis of these lesions is essential since they have different treatment modalities and prognosis. This paper presented a 71-year-old male patient presented with a unilocula...