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PURPOSE This study evaluated morphological features of developmental venous anomalies (DVAs) based on magnetic resonance imaging (MRI) findings. The study also evaluated the factors affecting the visibility of DVAs on MRI. METHODS We reviewed contrast-enhanced MRIs of 75 patients with DVA. The images were selected from 1,165 consecutive cranial MRIs. The(More)
PURPOSE In this study, the pulmonary arterial computed tomography obstruction index ratio, which indicates the degree and extent of thrombotic arterial occlusion, was calculated in cases with pulmonary thromboembolism. Our objectives were to investigate the value of this index for the identification of cases with massive pulmonary thromboembolism and to(More)
BACKGROUND Moyamoya syndrome associated with protein S deficiency is rarely encountered and is usually reported in paediatric cases with cerebral ischaemia. CASE REPORT A 32-year-old woman had symptoms of sudden-onset severe headache, projectile vomiting, impaired consciousness, and slight neck stiffness. The computed tomography scan of her brain showed(More)
BACKGROUND Cervical hydatidiform molar pregnancy is an exceedingly rare occurrence that has been reported only twice before. CASE We report a 25-year-old, G4P1D&C2 woman with a positive pregnancy test and vaginal bleeding. A cervical pregnancy with hydatidiform mole was detected on transvaginal ultrasound and color Doppler examinations. Magnetic resonance(More)
Osteoid osteoma is a small, benign osteoblastic tumor consisting of a highly vascularized nidus of connective tissue surrounded by sclerotic bone. Three-quarters of osteoid osteomas are located in the long bones, and only 7-12% in the vertebral column. The classical clinical presentation of spinal osteoid osteoma is that of painful scoliosis. Other clinical(More)
The purpose of this study was to describe the frequency of the variations in the branching pattern of the aortic arch (AA) according to multidetector computed tomography (MDCT) imaging findings. MDCT images of 1136 consecutive patients who had undergone imaging of the chest were retrospectively examined. Eleven different branching patterns were observed. A(More)
PURPOSE The configurations of cerebral veins and dural venous sinuses differ not only between individuals, but also between the two brain hemispheres of an individual, making the anatomical classification of the cerebral veins difficult. We evaluated the superior dural venous sinuses and classified their types and variations using magnetic resonance(More)
Chronic-contained aortic aneurysm rupture with vertebral erosion is a rare entity with fatal complications. Multidetector computed tomography (CT) angiography is an important diagnostic method for the evaluation of the aortic aneurysms, their complications, and also the relationship between aneurysm and branching vessels and adjacent structures. We present(More)
Stannosis is a non-fibrotic form of pneumoconiosis in which tin-oxide is accumulated in pulmonary parenchyma as a result of inhalation of tin-oxide (stannic oxide) dust and fume. Chest radiograph shows numerous small very dense nodules in both lungs. Although radiological findings of stannosis were apparent, the patients were clinically in good condition,(More)