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    Blue rubber bleb nevus syndrome: imaging of small bowel lesions with peroral CT enterography
    (Springer, 2011) Senturk, Senem; Bilici, Aslan; Miroglu, Tugba Cezlan; Bilek, Senem Uysal
    Blue rubber bleb nevus syndrome (BRBNS) is a rare entity that consists of multiple venous malformations involving several organ systems, particularly the skin and the gastrointestinal tract. The diagnosis is based on clinical findings; however, imaging is required to investigate the extent of involvement and complications. A 17-year-old patient, with multiple blue skin nevus, was admitted to the emergency room of our hospital with severe gastrointestinal bleeding and melena. Upper endoscopy showed two wine-color vascular lesions in the duodenum, and colonoscopy revealed multiple lesions in the colon. Peroral CT enterography demonstrated multiple (more than 30) contrast-enhanced polypoid small bowel lesions, ranging in size from 5 to 16 mm. Some lesions contained millimetric calcifications representing phleboliths. The patient also had three pancreatic lesions which showed homogenous enhancement on the delayed images. Our findings show that peroral CT enterography is useful to demonstrate the extent of small bowel lesions of BRBNS. This is the first report of pancreatic involvement of BRBNS.
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    Diameters of the common bile duct in adults and postcholecystectomy patients: A study with 64-slice CT
    (Elsevier Ireland Ltd, 2012) Senturk, Senem; Miroglu, Tugba Cezlan; Bilici, Aslan; Gumus, Hatice; Tekin, Rojbin Ceylan; Ekici, Faysal; Tekbas, Guven
    This study aims to collect data by multidetector computed tomography (MDCT) on the diameter of the normal common bile duct (CBD) and the diameter of CBD after cholecystectomy. In this retrospective study, CBD measurements were performed on axial oblique images, perpendicular to the long axis of the distal CBD. The mean diameter of the normal CBD was measured in 604 patients without cholecystectomy. The patients were divided into 6 groups according to their age. Analysis of variance (ANOVA) was used to compare data obtained from the six age groups. The mean diameter of the CBD of 46 patients who had cholecystectomy was calculated. The results were compared with age matched control group by Student's t test. The largest diameter of CBD ranged from 1.8 to 11.8 mm. The mean of the largest diameter of 604 subjects was 4.77 +/- 1.81. The diameter of the CBD significantly increased with age. Mean largest CBD diameters of postcholecystectomy subjects (7.28 +/- 2.37) were significantly greater than age matched control group. In conclusion the diameter of CBD shows a considerable increase with age. The largest diameter of the CBD is up to 6 mm in most of the subjects. An upper limit of 8 mm appears reasonable after the age of 50; and an upper limit of 10 mm seems appropriate for cholescystectomized subjects. (C) 2010 Elsevier Ireland Ltd. All rights reserved.