Biomedical Imaging and Intervention Journal

Presence of air in the kidney can be problematic as the location of the air in different parts of the kidney greatly affects the subsequent management and outcome of the patient. We present here a case of a patient who had emphysematous pyelitis, in which CT scan was able to display presence of air only in the collecting system, thus differentiating this condition from the more fulminant emphysematous pyelonephritis. This leads to a more favourable prognosis and outcome to the patient.

CH Kua

YF Abdul Aziz

Air in the kidney: between emphysematous pyelitis and pyelonephritis

肾脏中的气体：在气肿性肾盂肾炎与肾盂肾炎之间

To date, the College of Radiology (CoR) does not see any clear benefit in performing whole body screening computed tomography (CT) examinations in healthy asymptomatic individuals. There are radiation risk issues in CT and principles of screening should be adhered to. There may be a role for targeted cardiac screening CT that derives calcium score, especially for asymptomatic medium-risk individuals and CT colonography when used as part of a strategic programme for colorectal cancer screening in those 50 years and older. However, population based screening CT examinations may become appropriate when evidence emerges regarding a clear benefit for the patient outweighing the associated radiation risks.

ELM Ho

BJJ Abdullah

AAL Tang

AJ Nordin

AR Nair

GCC Lim

H Samad-Cheung

KH Ng

S Ponnusamy

SF Abbas

SI Bux

S Arasaratnam

S Venugopal

Z Musa

Z Abdul Manaf

College of Radiology, Academy of Medicine of Malaysia position on whole body screening CT scans in healthy asymptomatic individuals (2008)

马来西亚医学科学院放射学系关于健康无症状个体全身筛查CT扫描的立场（2008年）

Purpose: To investigate the dosimetric accuracy of the sliding window gated IMRT compared with the static treatment, using varying dose rates.Materials and methods: This study measured changes in output and diode array response with changing dose rate, verified the precision of the motion table, and measured changes in dose distribution accuracy with film and diodes at two depths with changing dose rate.During 4DCT (4 Dimensional Computed Tomography), the patient's respiratory signals and target motion were recorded and imported to the XY4D simulation table of SUN NUCLEAR Corporation to simulate the patient's respiration and tumour motion.A single field of each sliding window IMRT plan with 30º wedge and one for lung cancer were used in this study.Three irradiating conditions, static and moving target with and without gating, were applied to both plans.Results: The standard deviations of output, with the dose rates changing from 300-600 MU/min, were 0.065 cGy and 0.169 cGy for the ionisation chamber and diode, respectively.The verification of the motion table shows very good precision with 9.98 ± 0.02 cm (true value = 10.0 cm).The measurements by MapCheck show the gamma index of the planned absolute dose distribution in static and moving targets with gating, resulting in more than 96% passing for all dose rates.The absolute dose distribution measured by film for the static target was agreeable with the value of moving target with gating. Conclusion:The sliding window gated IMRT technique is able to deliver an accurate dose to a moving target with the dose rate of 300-600 MU/min that is suitable for clinical treatment.

Do we really need standards in digital image management?

我们真的需要数字图像管理的标准吗？

G Mandarano

J Sim

The diagnostic MRCP examination: overcoming technical challenges to ensure clinical success

诊断性MRCP检查：克服技术难题以确保临床成功

Hepatocellular carcinoma is the most common primary tumour of the liver. The most common extrahepatic metastatic sites are the lung, lymph nodes, bones and adrenal glands. All forms of HCC demonstrate a tendency for vascular invasion, producing extensive intrahepatic metastases and, occasionally, portal vein or inferior vena cava extension with spread into the right atrium in extreme cases. Tumour spread of abdominal diseases via hepatic ligaments has also been previously reported. We report a rare case of hepatocellular carcinoma with extension into the falciform ligament, overlying rectus sheath and adjacent diaphragm with concomitant infiltration into the recanalised paraumbilical vein.

R Kaur

V Rajasingam

Hepatocellular carcinoma with extension to the diaphragm, falciform ligament, rectus abdominis and paraumbilical vein

肝细胞癌伴膈肌、镰状韧带、腹直肌及脐旁静脉侵犯

S. F. Low

A. Maimunah

Syazarina Sharis Osman

Ismail Sagap

Hamzaini Abdul Hamid

Non-contrast with contrast-enhanced three-dimensional endoanal ultrasound in preoperative assessment of anal fistula: A comparative study

非对比剂与增强三维肛门内超声在肛瘘术前评估中的比较研究

Radhika Sridharan

I. Naqiyah

Suria Hayati Md Pauzi

M. Swaminathan

M. A. Zulfiqar

Primary mammary osteosarcoma: An extremely rare breast tumour

原发性乳腺骨肉瘤：一种极其罕见的乳腺肿瘤

John Cameron has made significant contributions to the field of Medical Physics. His contributions encompassed research and development, technical developments and education. He had a particular interest in the education of medical physicists in developing countries. Structured clinical training is also an essential component of the professional development of a medical physicist. This paper considers aspects of the clinical training and education of medical physicists in South-East Asia and the challenges facing the profession in the region if it is to keep pace with the rapid increase in the amount and technical complexity of medical physics infrastructure in the region.

B J Thomas

Education and training of medical physicists in South East Asia: accomplishments and challenges.

东南亚医学物理学家的教育和培训：成就与挑战。

N. Abu Bakar

Ngiu Chai Soon

Chest wall seeding of nocardiosis as a complication of a percutaneous transthoracic needle biopsy

胸壁诺卡菌播散作为经皮经胸针吸活检的并发症

M. Aslinda

Norlia Abdullah

Nurismah Md Isa

Khadijah Shamsuddin

Mammographic breast density and other risk factors in Malaysian women with breast cancer

马来西亚乳腺癌女性患者的乳腺X线密度及其他风险因素

出版信息	出版商: University of Malaya，出版周期: ，期刊类型: journal，开源期刊: 否
基本数据	创刊年份: 2005，原创研究文献占比: ，自引率:， Gold OA占比:

Biomedical Imaging and Intervention Journal

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