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Open AccessAttenuation of gadolinium enhancement in pituitary gland on magnetic resonance imaging of patients with pediatric growth hormone deficiency
Although it is generally thought that disturbance of perfusion in the anterior lobe of the pituitary gland leads to complete or partial hypopituitarism, the gadolinium (Gd) enhancement findings on Magnetic Res...
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Article
Open AccessClinical utility of combined assessments of 4D volumetric perfusion CT, diffusion-weighted MRI and 18F-FDG PET-CT for the prediction of outcomes of head and neck squamous cell carcinoma treated with chemoradiotherapy
Multiparametric imaging has been seen as a route to improved prediction of chemoradiotherapy treatment outcomes. Four-dimensional volumetric perfusion CT (4D PCT) is useful for whole-organ perfusion measuremen...
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Article
Open AccessQuantitative evaluation of iodine and fat using dual-energy CT for assessments of the tumor aggressiveness in lung cancer
The three-material decomposition method (3MD) of dual-energy applications can quantify iodine and fat contents of the tumor. The purpose of this study was to assess the usefulness of quantifying iodine and fat...
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Article
Beads phantom for evaluating heterogeneity of SUV on 18F-FDG PET images
This study aimed to develop a dedicated phantom using acrylic beads for texture analysis and to represent heterogeneous 18F-fluorodeoxyglucose (FDG) distributions in various acquisition periods.
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Article
Open AccessFDG-PET/CT and diffusion-weighted imaging for resected lung cancer: correlation of maximum standardized uptake value and apparent diffusion coefficient value with prognostic factors
Diffusion-weighted magnetic resonance imaging (DWI) is useful for detecting malignant tumors and the assessment of lymph nodes, as FDG-PET/CT is. But it is not clear how DWI influences the prognosis of lung ca...
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Article
Carotid artery protrusion and dehiscence in patients with acromegaly
Acromegaly is a systemic disease which causes multiple bony alterations. Some authors reported that acromegalic patients have risk factors for an intraoperative vascular injury due to the specific anatomical f...
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Article
Median nerve conduction studies and wrist magnetic resonance imaging in acromegalic patients with carpal tunnel syndrome
Carpal tunnel syndrome (CTS) often occurs with acromegaly; however, the pathophysiology of CTS in acromegalic patients remains unclear. This study evaluated the median nerve in acromegalic patients with and w...
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Article
Open AccessThymic lymphoid hyperplasia with multilocular thymic cysts diagnosed before the Sjögren syndrome diagnosis
Thymic lymphoid hyperplasia is often present with myasthenia gravis as well as other autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis. Of the 4 cases of thymic lymphoid hyperpl...
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Article
Internal carotid arterial shift after transsphenoidal surgery in pituitary adenomas with cavernous sinus invasion
The intercarotid distance (ICD) between cavernous carotid arteries (CCAs) is an important factor for avoiding injury of the internal carotid artery during transsphenoidal surgery. The ICD between CCAs in pitui...
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Article
Sensitive immunodetection of radiotoxicity after iodine-131 therapy for thyroid cancer using γ-H2AX foci of DNA damage in lymphocytes
The purpose of our study was to evaluate the degree of radiotoxicity to lymphocytes in thyroid cancer after iodine-131(I-131) therapy using γ-H2AX foci immunodetection.