Original Articles

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Hong Kong J Radiol 2010;13(Suppl):S3-9

J Cassidy

Colorectal cancer is one of the most frequently diagnosed malignancies in the world. In spite of recent advances in chemotherapy, the prognosis for patients with metastatic colorectal cancer remains poor. The last decade of ground-breaking research on molecular

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AKC Leung, KH Au, HY Yiu, YL Kwok, VC Sin, WL Leung, KC Ngan

Hong Kong J Radiol 2010;13:12-22

Objective: To study the clinico-pathological characteristics and outcome of germ cell tumours treated in the Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong.

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WSW Chan, SS Chiu, DHY Cho, SK Kei, WL Poon, SH Luk, CC Cheung

Hong Kong J Radiol 2010;13:3-11

Objective: This study evaluated the clinical, biochemical, and imaging characteristics to identify pre-ablative prognostic factors for the survival of patients undergoing radiofrequency ablation of hepatocellular carcinoma. Radiofrequency ablation has now been

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WK Cheung, KH Lee, HC Cheng, CH Cheung, CL Chan, KC Ngan

Hong Kong J Radiol 2010;13:125-32

Objective: RapidArc (Varian Medical Systems, Palo Alto, CA) is a new volumetric-modulated arc radiotherapy technique with continuous modulation of gantry speed, dose rate, and multileaf collimator shape. Taking advantages of dose painting capabilities

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BT Kung, CP Wong, KS Chu, TK AuYong, CM Tong

Hong Kong J Radiol 2010;13:120-4

Objectives: To determine the prevalence of focal thyroid fluorodeoxyglucose positron emission tomography– computed tomography incidentaloma in our locality and evaluate the rate of malignancy.

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SSM Lo, KY Kwok, CW Siu, WK Wong, CM Chan, KW Tang, YL Cheung, SCH Chan

Hong Kong J Radiol 2010;13:111-9

Objectives: Malignant spinal cord compression is an uncommon complication in patients with cancer. It is frequently diagnosed late and causes irreversible damage to spinal cord. Malignant spinal cord compression is an oncological emergency, requiring a prompt

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DD Rasalkar, BK Paunipagar, ABW Chan

Hong Kong J Radiol 2010;13:73-5

Heterotopic pancreas is the presence of pancreatic tissue outside the normal location lacking ductal or vascular continuity with the main gland. There are case series describing the computed tomographic appearance

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EMW Man, SY Luk, CS Cheng

Hong Kong J Radiol 2010;13:68-72

Objective: To audit requests for computed tomographic pulmonary angiograms, usage of pre-test pulmonary embolism probability scores, and D-dimer measurements in patients with suspected pulmonary embolism in aregional hospital in Hong Kong.

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HT Tam, YH Wong, SK Cheung, WT Ngai, PT Choi

Hong Kong J Radiol 2010;13:59-67

Objective: To evaluate the accuracy of preoperative parathyroid scintigraphy for lesion localisation in primary and secondary hyperparathyroidism.

Methods: The archives of 3 regional Hong Kong hospitals extending over a 12-month period were

CS Wong, TYC Chu, JKF Ma

Hong Kong J Radiol 2010;13:195-8

Objective: To determine whether the peri-tumoural choline/N-acetyl-aspartate ratio can be used to differentiate solitary primary intra-axial brain tumour and metatasis.

Methods: In this retrospective study, 18 treatment-naïve adults presenting with a

SY Luk, JLY Leung, CS Cheng

Hong Kong J Radiol 2010;13:189-94

Objectives: To investigate among junior clinicians: (1) their level of knowledge and awareness of radiation dose of commonly performed radiological investigations and the associated risks of radiation exposure, and (2) their practice for obtaining informed

CCY Lee, ACK Cheng, NKH Lam, DCW Chan, LCY Lui, CC Yau

Hong Kong J Radiol 2010;13:181-8

Objectives: Waiting time for radiotherapy is an important quality indicator for oncology services, and particularly so in the radical treatment for head and neck cancers where timing impacts treatment outcome. Reducing the waiting time for treatment is therefore