A. Burak Tosun

Learn 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)
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)
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)
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)
Extrapulmonary tuberculosis has a poor reputation because of its manifestations. Diagnostic delays or misdiagnosis negatively impact treatment. It has a low incidence and can easily mimic other noninfectious abdominal diseases, which are therefore necessary in the differential diagnosis. We report a 45-year old male presenting with obstructive jaundice,(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)
OBJECTIVE We sought to determine the predictors of treatment response in simple endometrial hyperplasia without atypia. MATERIAL AND METHODS We prospectively treated 67 women with simple endometrial hyperplasia without atypia who were administered cyclic oral medroxyprogesterone acetate 10 mg/day for 12 days of luteal phase for 3 months and underwent(More)