Radiation Medicine

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Needle position during 125I seed implantation: accurately recognized by sagittal transrectal ultrasonography?
Radiation Medicine - Tập 26 Số 10 - Trang 636-636 - 2008
Hiromichi Ishiyama, Shouko Kotani, Takefumi Satoh, Mineko Uemae, Shirō Baba, Kazushige Hayakawa
Detection of lung cancer using single-exposure dual-energy subtraction chest radiography
Radiation Medicine - Tập 25 - Trang 195-201 - 2007
Kana Ide, Hiroshi Mogami, Tadashi Murakami, Yoshifumi Yasuhara, Masao Miyagawa, Teruhito Mochizuki
The aim of this study was to evaluate the detectability of lung cancer by chest radiography with a single-exposure dual-energy subtraction (ES) method. Five radiologists read two sets of chest radiographs from 77 patients (66.5 ± 9.6 years old) with histologically proven lung cancer measuring ≤3.0 cm and those from 77 normal subjects (65.7 ± 9.0 years old). The observer tests were performed in two... hiện toàn bộ
Midterm results of radiofrequency ablation versus nephrectomy for T1a renal cell carcinoma
Radiation Medicine - Tập 28 - Trang 460-468 - 2010
Haruyuki Takaki, Koichiro Yamakado, Norihito Soga, Kiminobu Arima, Atsuhiro Nakatsuka, Masataka Kashima, Junji Uraki, Tomomi Yamada, Kan Takeda, Yoshiki Sugimura
The aim of this study was to retrospectively evaluate midterm results of renal radiofrequency (RF) ablation compared to the results after nephrectomy in patients with T1a renal cell carcinoma (RCC). A total of 115 patients with a single RCC measuring ≤4 cm (T1a) were included; 51 patients underwent RF ablation, 54 patients radical nephrectomy, and 10 patients partial nephrectomy. The survival and ... hiện toàn bộ
Sliding thin slab, minimum intensity projection imaging for objective analysis of emphysema
Radiation Medicine - Tập 24 - Trang 415-421 - 2006
Shiro Satoh, Shinichi Ohdama, Hitoshi Shibuya
The aim of this study was to determine whether sliding thin slab, minimum intensity projection (STS-MinIP) imaging is more advantageous than thin-section computed tomography (CT) for detecting and assessing emphysema. Objective quantification of emphysema by STS-MinIP and thin-section CT was defined as the percentage of area lower than the threshold in the lung section at the level of the aortic a... hiện toàn bộ
Primary cardiac lymphoma: computed tomography and magnetic resonance imaging features
Radiation Medicine - Tập 27 - Trang 243-246 - 2009
Daisuke Utsunomiya, Kazuo Awai, Joji Urata, Touitsu Hirayama, Yasuyuki Yamashita
Primary cardiac lymphoma is a rare, extremely aggressive malignancy. Early diagnosis and treatment is important for patient survival. We present a case of a 76-year-old woman admitted for worsening dyspnea caused by a large tumor in the right atrium. Magnetic resonance imaging and computed tomography clearly depicted the primary cardiac tumor, and histopathological study of the surgical specimen c... hiện toàn bộ
Phlebosclerotic colitis
Radiation Medicine - Tập 26 - Trang 164-167 - 2008
Fumihiko Tamamoto, Hideyuki Ishizaki, Tadayuki Maehara
Phlebosclerotic colitis (PC) is a rare form of ischemic colitis that usually affects the right hemicolon. It is due to ischemia induced by phlebosclerosis in the branches of the superior mesenteric vein that disturb venous return from the colon. The clinical course is different from that of the more common type of ischemic colitis caused by arterial disease. We encountered a 73-year-old woman with... hiện toàn bộ
Novel display technique for reference images for visibility of temporal change on radiographs- color digital summation radiography-
Radiation Medicine - Tập 24 - Trang 28-34 - 2006
Yuji Ogata, Hiroaki Naito, Hiroki Azuma, Hironari Toyota, Takashi Ueguchi, Mitsuhiro Matsumoto, Shinichi Tamura, Hironobu Nakamura, Takeshi Johkon
The present study investigated color digital summation radiography (CDSR) as a novel display technique for reference images for the visibility of temporal change on radiographs. In CDSR, only the parts with temporal differences are displayed in color. Moreover, all other parts are displayed in gray scale. CDSR was defined as “radiographs combined by the additive color mixture method”. The visibili... hiện toàn bộ
Skeletal muscle: An unusual site of distant metastasis in gastric carcinoma
Radiation Medicine - Tập 24 - Trang 150-153 - 2006
Nuran Şenel Beşe, Mustafa Özgüroĝlu, Sergülen Dervişoĝlu, Kaya Kanberoglu, Ahmet Öber
Gastric cancer metastatic to skeletal muscle is an unusual entity. Surgery, systemic chemotherapy, or radiotherapy to the metastatic mass can be treatment options for achiving palliation. Case Report: A patient with multiple skeletal muscle metastases that occurred during follow-up after gastrectomy and adjuvant chemo-radiotherapy is reported. Magnetic resonance imaging (MRI) demonstrated soft-tis... hiện toàn bộ
Functional neuroimaging in Alzheimer's disease
Radiation Medicine - - 2006
Hiroshi Matsuda
MR imaging of thymic epithelial tumors: correlation with World Health Organization classification
Radiation Medicine - Tập 24 - Trang 171-181 - 2006
Atsuo Inoue, Noriyuki Tomiyama, Kiminori Fujimoto, Junko Sadohara, Itsuko Nakamichi, Yasuhiko Tomita, Katsuyuki Aozasa, Mitsuko Tsubamoto, Sachiko Murai, Javzandulam Natsag, Hiromitsu Sumikawa, Naoki Mihara, Osamu Honda, Seiki Hamada, Takeshi Johkoh, Hironobu Nakamura
The aim of this study was to determine magnetic resonance imaging (MRI) features of various subtypes of thymic epithelial tumors based on the World Health Organization classification. The study included 64 patients with histologically proven thymic epithelial tumors. Two observers evaluated the MRI findings in terms of tumor size, contour, lobulation, shape, homogeneity, the presence of intratumor... hiện toàn bộ
Tổng số: 334   
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