a 5-year-old girl was admitted to the hospital with chest pain, fever and dyspnea. physical examination showed normal heart sounds, diminished pulmonary sounds in the left hemithorax and a normal ecg. on chest x-ray the heart was slightly enlarged with moderate left pleural effusion. ct scan revealed pleural effusion and a hypodense mass at the apex of the heart. a cystic mass was detected by e...

ganglioneuromas presented as a retroperitoneal tumor around the vital organs is a rare entity. a case with unusual presentation is reported. young woman of 44 years old presented without any complaint ,that known during incidental abdominopelvic ultrasonography. it was treated with partial resection for debulking surgery. debulking surgery with preservation of organ functions is feasible in the...

purpose : to determine the distribution of cataract surgery in iran between 2000 and 2005 methods : in a retrospective study based on files, cataract surgery centers were selected. between 2000 and 2005, one week of each season was selected randomly and all cataract surgery files of the center were studied. the surgeries were analyzed based on type, types of the lenses, intraoperative complicat...

cases of sparganum mansoni , caused by the plerocercoid larva of the tapeworm s. mansoni , occur through­out the world, particularly in asian, middle eastern, and european countries. however, cases of infection with this parasite are rarely seen in japan. here, we present a case of a 61-year-old woman with a solitary subcutaneous nodule in left inner aspect of the thigh, from which a long, slen...

conclusions all of the gynecologic surgeons must be aware of gastrointestinal injuries and should anticipate injury to these organs especially in high-risk patients for decreasing patient morbidity. results the mean age of women was 33.2 ± 7.57 years. 44% of the patients had a history of abdominal scar. 32% of all gi injuries occurred during total abdominal hysterectomy (tah). the small bowel w...

We investigate the market for news under two assumptions: that readers hold beliefs that they like to see confirmed, and that newspapers can slant stories toward these beliefs. We show that, on the topics where readers share common beliefs, one should not expect accuracy even from competitive media: competition results in lower prices, but common slanting toward reader biases. However, on topic...

The allocation of attention in depth is examined using a multi-element tracking paradigm. Observers are required to track a predefined subset of from two to eight elements in displays containing up to sixteen identical moving elements. We first show that depth cues, such as binocular disparity and occlusion through T-junctions, improve performance in a multi-element tracking task in the case wh...