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PURPOSE To investigate the relationship between ADC values measured by diffusion-weighted MRI (DWI) and the split glomerular filtration rate (GFR). MATERIALS AND METHODS DWI (b = 0 and 500 seconds/mm(2)) was performed with a 1.5 T MR unit in 55 patients. The ADCs were calculated with ROIs positioned in the renal parenchyma, and the split GFRs were(More)
OBJECTIVES To evaluate the diagnostic accuracy of MDCT in patients with APVC associated with complex cardiac abnormality. MATERIALS AND METHODS The clinical and imaging data of 39 patients with APVC confirmed by surgery were retrospectively reviewed. According to accompanied cardiac malformations, patients with APVC were classified as isolated and complex(More)
Our objective was to compare US, CT, and MR imaging in differentiation of malignant from benign ovarian tumors. Through an electronic literature search and manual review of bibliographies (January 1990 to June 2006), relevant studies on the diagnostic performance of US, CT, and MR imaging in the differentiation between benign and malignant ovarian tumours(More)
Mitochondrial encephalopathy, lactic acidosis and stroke-like episodes syndrome (MELAS) is the most frequent syndromic manifestation of A3243G mutation in mitochondrial DNA. Detection of A3243G mutation in blood is less helpful for the diagnosis of MELAS and the carriers, and the mutation ratio in blood correlates only in a limited extent with the severity(More)
OBJECTIVE To assess the practicability of magnetic resonance imaging (MRI) in confirming the diagnosis of clinically suspected rheumatoid arthritis (RA), when anti-cyclic citrullinated peptide antibody and radiographic erosions are absent. METHODS We prospectively involved 31 treatment-naive patients with early inflammatory arthritis. At the initial(More)
m.3243A>G mutation in mitochondrial DNA is the most common pathogenic point mutation, causing a variety of phenotypes. To further elucidate its clinical characteristics, we recruited 47 Chinese families carrying m.3243A>G mutation and analyzed their symptoms, disease history, inheritance, and mitochondria-related complications. In the probands, lactic(More)
Primary retroperitoneal neoplasms are uncommon in children. Retroperitoneal neoplasms are either mesodermal, neurogenic, germ cell ectodermal or lymphatic in origin. In general, primary retroperitoneal neoplasms in children have different spectrum and prevalence compared to those in adults. Neuroblastoma, rhabdomyosarcoma, benign teratoma and lymphoma are(More)
OBJECTIVE This study aimed to retrospectively evaluate the feasibility and reliability of low-contrast agent dose dual-energy computed tomography (DECT) monochromatic imaging in pulmonary angiography. METHODS Computed tomography pulmonary angiography was performed in 86 patients, 41 in 120-kVp computed tomography (CT) and 45 in DECT with low-contrast(More)
Rapid and adequate vascularization is vital to the long-term success of porous orbital enucleation implants. In this study, porous hydroxyapatite (HA) scaffolds coated with vascular endothelial growth factor (VEGF)-functionalized collagen (COL)/heparin (HEP) multilayers (porosity 75%, pore size 316.8 ± 77.1 μm, VEGF dose 3.39 ng/mm(3)) were fabricated to(More)