A. Burak Tosun

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In this paper, we propose an automatic photo tag expansion system for the community photo collections, such as Flickr 1. Our aim is to suggest relevant tags for a target photograph uploaded to the system by a user, by incorporating the visual and textual cues from other related photographs. As the first step, the system requires the user to add only a few(More)
Spontaneous osteonecrosis of the navicular in the adult is known as Mueller-Weiss syndrome, which is a rare disease characterized by a collapse of the lateral portion of the tarsal navicular combined with a medial protrusion of the talar head and peri-navicular osteoarthritis. In this article, we describe a case of spontaneous osteonecrosis of tarsal(More)
BACKGROUND Laparoscopic cholecystectomy is the first step treatment in cholelithiasis. The purpose of this study was to establish a radiologic view on prediction of conversion from laparoscopic cholecystectomy to open surgery. METHODS This study included 176 patients who had undergone laparoscopic cholecystectomy. Preoperative ultrasonographic findings(More)
Hemoperitoneum due to nontraumatic liver rupture is rare. The most common cause of nontraumatic rupture of the liver is hepatocellular carcinoma (HCC). The other causes of nontraumatic liver ruptures are peliosis hepatis, polyarteritis nodosa, systemic lupus erythematosus, preeclampsia, metastatic carcinoma, and other primary liver tumors. In this report,(More)
OBJECTIVE Ovarian torsion is an uncommon gynecological emergency that most often affects women of reproductive age. Its signs and symptoms are similar to those of other abdominal conditions, which make its differential diagnosis challenging. Color Doppler (Doppler USG) and B-flow ultrasonography (B-flow USG) are used for the differential diagnosis of(More)
Total destruction of the fourth metacarpal bone by aneurysmal bone cyst is presented. Despite the benign nature of the lesion on plain radiograms, magnetic resonance imaging (MRI) has revealed total destruction of metacarpal bone with shelling off the articular cartilages on both ends of the metacarpal. Both adjacent dorsal interosseous muscles were also(More)
AIM We sought to study the effect of tubal ligation on lipid profile, ovarian reserve and hot flashes during perimenopausal years. METHODS A total of 210 perimenopausal women complaining of abnormal vaginal bleeding were enrolled for the study. Subjects' menstrual, reproductive and medical histories were recorded. Serum FSH, LH and estradiol levels were(More)
Horseshoe lung is a congenital pulmonary malformation that is usually associated with scimitar syndrome. This malformation consists of fusion of both pulmonary lobes from the posterobasal segments. The fusion appears in the retrocardiac area, in front of the esophagus and thoracic aorta. Pleural separation of pulmonary lobes distinguishes pseudohorseshoe(More)