21 Result(s)
within
Manabu Minami
Radiotherapy
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Article
Intraductal papillary-mucinous tumor and mucinous cystic neoplasm
Cystic lesions of the pancreas are increasingly detected by imaging at daily clinical practice. Among them mucinous cystic tumor and intradcutal papillary-mucinous tumor of the pancreas are clinically importan...
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Article
Detection of intraductal component around invasive breast cancer using ultrasound: Correlation with MRI and histopathological findings
The purpose of this study was preoperatively to diagnose the intraductal component, which is indispensable in planning for breast conservation therapy, and also to minimize local recurrence. This study investi...
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Article
Extraskeletal mesenchymal chondrosarcoma of the cervical meninx
We report a case of recurrent mesenchymal chondrosarcoma in the cervical paravertebral region that was diagnosed preoperatively by imaging studies. The tumor showed findings of a well-differentiated cartilagin...
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Article
Functional computed tomography imaging of tumor-induced angiogenesis: preliminary results of new tracer kinetic modeling using a computer discretization approach
The aim of this study was to establish functional computed tomography (CT) imaging as a method for assessing tumor-induced angiogenesis.
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Article
Three-dimensional perfusion imaging of hepatocellular carcinoma using 256-slice multidetector-row computed tomography
The aim of this study was to evaluate the clinical capability of three-dimensional (3D) perfusion imaging of hepatocellular carcinoma (HCC) by performing dynamic scanning using a 256-slice multidetector-row CT...
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Article
Magnetic resonance microscopy imaging of posterior interosseous nerve palsy
Posterior interosseous nerve palsy, also called deep radial nerve syndrome, is a neuropathy caused by radial nerve entrapment or compression at the level of the supinator muscle. Although imaging studies are n...
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Article
Spectrum of Epstein-Barr virus-related diseases: a pictorial review
Epstein-Barr virus (EBV) prevails among more than 90% of the adult population worldwide. Most primary infections occur during young childhood and cause no or only nonspecific symptoms; then the virus becomes l...
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Article
Feasibility of diffusion-weighted imaging under split breath-hold acquisition and postprocessing (DWI-SBAP): an attempt to suppress hepatic pseudo-anisotropy
To suppress hepatic pseudo-anisotropy, which is a specific artifact in diffusion-weighted imaging (DWI) of the liver obtained under respiratory triggering, the authors developed a novel acquisition technique f...
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Article
Malignant rhabdoid tumor of the liver: a case report with US and CT manifestation
A case of malignant rhabdoid tumor (MRT) of the liver in a 4-month-old boy with hepatomegaly was described with the help of US and CT findings. The boy had multiple liver tumors, and the liver parenchyma showe...
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Article
Diffusion-weighted imaging findings of mucinous carcinoma arising in the ano-rectal region: comparison of apparent diffusion coefficient with that of tubular adenocarcinoma
To determine the diffusion-weighted imaging (DWI) characteristics of ano-rectal mucinous carcinoma. Apparent diffusion coefficient (ADC) and DWI findings for mucinous and tubular adenocarcinomas were retrospec...
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Article
Inflammatory pseudotumor of the intrapancreatic accessory spleen: computed tomography and magnetic resonance imaging findings
Inflammatory pseudotumor of the spleen is an uncommon benign mass-like lesion. It can occur in an accessory spleen, which may be found rarely in the pancreas tail. Here, we report the case of a 51-year-old wom...
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Article
Optic chiasmal edema observed on T2-weighted MR images: a reversible finding in obstructive hydrocephalus
To evaluate the clinical significance of optic chiasmal edema (OCE) observed in hydrocephalus.
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Article
Revised FIGO staging system for cancer of the ovary, fallopian tube, and peritoneum: important implications for radiologists
Ovarian cancer is the seventh most common cancer diagnosis among women worldwide. The International Federation of Gynecology and Obstetrics recently significantly revised staging criteria for cancer of the ova...
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Article
Incidence of elbow injuries in adolescent baseball players: screening by a low field magnetic resonance imaging system specialized for small joints
The aim of this preliminary study was to examine the capability of screening for elbow injuries induced by baseball using a low field small joint MRI system.
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Article
Clinical interpretation of asymptomatic medial collateral ligament injury observed on magnetic resonance imaging in adolescent baseball players
Magnetic resonance imaging (MRI) of medial collateral ligament (MCL) injury of the elbow was often observed in asymptomatic adolescent baseball players. We aimed to clarify the clinical interpretation of “asym...
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Article
Imaging of extracranial head and neck lesions in cancer patients: a symptom-based approach
Besides intracranial lesions, neurological symptoms are also caused in cancer patients by extracranial lesions in the head and neck. Common symptoms caused by such lesions include visual loss, visual field def...
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Article
Safety margin of radiofrequency ablation for hepatocellular carcinoma: a prospective study using magnetic resonance imaging with superparamagnetic iron oxide
In radiofrequency ablation (RFA) for hepatocellular carcinoma (HCC), it is difficult to assess the ablative margin (AM) precisely by comparing pre- and post-RFA CT images. We prospectively studied the AMs usin...
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Article
Impaired lesion detectability on gadoxetic acid-enhanced MR imaging in indocyanine green excretory defect: case series of three patients
Indocyanine green (ICG) excretory defect is characterized by an ICG retention rate of more than 50% at 15 min without any other abnormal liver functions. The incidence of ICG excretory defect is 0.007% in the ...
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Article
Ovarian and non-ovarian teratomas: a wide spectrum of features
Teratoma is a germ cell tumor (GCT) derived from stem cells of the early embryo and the germ line. Teratoma is the most common neoplasm of the ovaries and is usually diagnosed easily using imagings by detectin...
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Article
Carcinosarcoma of the ovary: MR and clinical findings compared with high-grade serous carcinoma
To clarify imaging and clinical characteristics of ovarian carcinosarcoma (CS) compared with high-grade serous carcinoma (HGSC).
