Original Articles

Full Article

S Lloyd, A Sahu, R Riordan

Hong Kong J Radiol 2012;15:162-9

Objective: We aimed to establish whether there was a correlation between the diagnostic efficacy of computed tomographic pulmonary angiography for pulmonary embolism and the degree of pulmonary arterial enhancement measured objectively by main pulmonary artery attenuation level.

Full Article

HA Al-Balas, YH Shaib

Hong Kong J Radiol 2012;15:155-61

Objective: To describe the clinical and imaging features of the gastrointestinal stromal tumours and the role of computed tomography in predicting malignant potential.

Full Article

SM Lee, CK Lee, KS Yu, KC Ngan

Hong Kong J Radiol 2012;15:149-54

Objective: In this study, we evaluate the advantages of volumetric modulated arc therapy (VMAT) compared to conventional 3-dimensional conformal radiotherapy (3DCRT) with respect to dosimetry, verification, and treatment efficiency.

Full Article

WCS Chan, WL Poon, WS Wan

Hong Kong J Radiol 2012;15:143-8

Objective: The fact that calcification in the coronary artery is associated with ischaemic heart disease is well-known. Calcification is also very common in the transcranial and intracranial segments of internal carotid arteries.

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KL Siu, FNY Sin, WP Chu, AXN Lo, KFJ Ma

Hong Kong J Radiol 2012;15:96-100

Objective: To retrospectively compare the complication rates of radiologically and surgically placed central venous catheters in a single tertiary centre over a four-year period.

Full Article

DD Rasalkar, RKL Lee, V Lee, A Leung, FWT Cheng, WWM Lam, CK Li, WCW Chu

Hong Kong J Radiol 2012;15:88-95

Objective: Myocardial haemosiderosis leading to cardiac dysfunction is a major complication in transfusiondependent thalassaemia.

Full Article

RKL Lee, K Wang, AWH Ng, CB Ip, JSY Lam, EHY Yuen, TCY Cheung, YYP Lee, TM Chan

Hong Kong J Radiol 2012;15:80-7

Objective: To determine the role of whole-body fluorodeoxyglucose positron emission tomography–computed tomography (FDG PET-CT) in the diagnosis and work-up of suspected or confirmed brain metastasis and to assess its impact on clinical management and outcomes.

Full Article

TY Kew, M Zahiah, SZ Syed Zulkifli, A Noraidatulakma, S Hatta

Hong Kong J Radiol 2012;15:71-9

Objective: Radiological investigations that use ionising radiation pose well-established risks to patients. Doses per patient from computed tomographic examinations constitute large radiation burdens, particularly with recurrent imaging and multidetector machines.

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PY Fung, CY Lui, YC Chu, CW Wong, HS Lam

Hong Kong J Radiol 2012;15:64-70

Objective: To evaluate patient outcomes after screening mammograms graded as “probably benign”, and specifically to determine the corresponding frequency of false-negative diagnoses.

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HC Cheng, RKC Ngan, KH Au

Hong Kong J Radiol 2012;15:29-35

Objective: To retrospectively study the clinical characteristics and treatment outcomes in patients with locoregionally advanced head and neck cancer treated concurrently with cetuximab and radiotherapy.

Full Article

JWC Wai, JLF Chiu, TS To, KH Lai, HHC Tsang, CW Siu, SCH Chan

Hong Kong J Radiol 2012;15:22-8

Objective: To retrospectively assess the sensitivity and specificity of ultrasound-guided fine-needle aspiration of axillary lymph nodes for preoperative breast cancer staging, using histological findings as a reference standard.

Full Article

JHY Leung, KY Lai, MK Shing, CK Li, WCW Chu

Hong Kong J Radiol 2012;15:15-21

Objective: Non-Hodgkin’s lymphoma is the most common tumour causing the superior mediastinal syndrome and superior vena caval obstruction in paediatric patients.

Full Article

WS Mak, CY Fong, CY Lui

Hong Kong J Radiol 2012;15:10-4

Objective: To compare the outcome of fine-needle aspiration and core biopsy of solid breast lesions under ultrasound guidance and to evaluate if fine-needle aspiration should be replaced by core biopsy.

Full Article

JTH Yeung, JKF Ma, KKM Kwok, AWT Yung, RLF Cheng, KC To, MK Yiu

Hong Kong J Radiol 2012;15:4-9

Objective: To describe the radiographical features of patients with ketamine-related urological complications.