Original Articles

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AWY Wong, DSF Tsang, WWM Lam

Hong Kong J Radiol 2014;17:30-5

DOI: 10.12809/hkjr1413206

Objective: To review the diagnostic performance of contrast enema examinations for the investigation of Hirschsprung’s disease, determine the usefulness of delayed 24-hour X-rays, and validate water-soluble contrast enemas for the

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CH Lam, HL Chow, SH Chiu, HY Cho, S Lau, CY Lui

Hong Kong J Radiol 2014;17:23-9

DOI: 10.12809/hkjr1413184

Objectives: To evaluate the accuracy of computed tomography (CT) in the management of primary aldosteronism by comparing the concordance between CT and adrenal venous sampling (AVS), and the feasibility of

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AI Saito, JG Li, C Liu, KR Olivier, D Kahler, K Karasawa, JF Dempsey

Hong Kong J Radiol 2014;17:16-22

DOI: 10.12809/hkjr1413180

Objective: To investigate the effect of the 5-bulk-density dose calculation method without considering small non-bone high-density regions in patients with thoracic cancers.

Methods: A heterogeneity-corrected computed tomography plan and two types

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WL Yu, SM Wong, K Wang, AT Ahuja

Hong Kong J Radiol 2014;17:9-15

DOI: 10.12809/hkjr1413186

Objective: A rise in carcinoembryonic antigen level is commonly encountered during follow-up of patients with colorectal carcinoma. This study aimed to evaluate the diagnostic performance of ¹⁸F-fluorodeoxyglucose positron emission tomography/computed tomography

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SH Kim, JH Min, JY Lee

Hong Kong J Radiol 2014;17:4-8

DOI: 10.12809/hkjr1413213

Objective: To compare the computed tomography findings of patients with primary multidrug-resistant tuberculosis (MDR TB) and those with drug-sensitive tuberculosis (DS TB) who were human immunodeficiency virus (HIV) seronegative.

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KML Wong, CY Lui, HS Lam

Hong Kong J Radiol 2013;16:286-92

DOI: 10.12809/hkjr1312156

Objectives: To look at the outcomes of patients who underwent stereotactic-guided breast biopsy for microcalcifications without specimen yielding calcium, so as to facilitate management.

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HKY Tam, PPY Lui, RKL Lee, WK Kwok, FPT Choi, WCW Chu

Hong Kong J Radiol 2013;16:278-85

DOI: 10.12809/hkjr1313203

Objectives: To determine the diagnostic accuracy and predictive values of hepatobiliary scintigraphy and sonography in the evaluation of clinically suspected biliary atresia.

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FST Mok, OSH Chan, ATY Chang, LLK Chan, IS Soong, WT Ng, FY Cheung, RMW Yeung

Hong Kong J Radiol 2013;16:270-7

DOI: 10.12809/hkjr1313176

Objectives: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare subgroup of non–small-cell lung cancer. Limited published series suggested that it might be associated with more favourable survival than

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N Thavarajah, K Wong, L Zhang, E Wong, G Bedard, N Lauzon, L Holden, M Tsao, C Danjoux, E Barnes, A Sahgal, E Chow

Hong Kong J Radiol 2013;16:261-9

DOI: 10.12809/hkjr1313171

Objective: Radiation therapy can often be used for palliation of thoracic symptoms in patients presenting with locally advanced lung cancer or lung metastases. The aim of this study was to examine

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KC Chan, JM Abrigo, TCY Cheung, SW Cheung, DYW Siu

Hong Kong J Radiol 2013;16:203-8

DOI: 10.12809/hkjr1312154

Objective: To retrospectively analyse the quantitative change in cerebral blood flow, cerebral blood volume, and mean transit time after adopting a new protocol for perfusion computed tomography (PCT) where the delay time

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C Bryant, RJ Amdur, WM Mendenhall, CG Morris, A Mancuso, A Yeung

Hong Kong J Radiol 2013;16:198-202

DOI: 10.12809/hkjr1313159

Objectives: To evaluate the prognostic significance of pretreatment tumour volume in predicting local control, with a functioning larynx, in patients with laryngeal cancer treated with primary chemoradiation.

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EKC Lee, KK Yuen, WH Mui, GML Law, CMM Lui, MKH Chan, FCS Wong, SY Tung

Hong Kong J Radiol 2013;16:191-7

DOI: 10.12809/hkjr1313173

Objectives: Volumetric-modulated arc therapy (VMAT) is better than intensity-modulated radiotherapy (IMRT) in terms of its plan qualities and efficiency for the treatment of prostate cancer. It remains unclear whether its use in

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TM Leung, KSL Lam, CY Wong, PL Khong

Hong Kong J Radiol 2013;16:183-90

DOI: 10.12809/hkjr1313182

Objectives: This study aimed to evaluate the prevalence of brown adipose tissue, as detected by fluorine 18-fluorodeoxyglucose positron emission tomography combined with computed tomography (18F-FDG PETCT), in a Southern Chinese population. It also set out to determine associated factors with brown adipose tissue,

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FMY Lim, M Tong, CC Yau, ACH Lit, JCK Lo, N Lam, WH Wong, ACK Cheng

Hong Kong J Radiol 2013;16:123-30

DOI: 10.12809/hkjr1312157

Objectives: Neutropenic fever is a serious complication of cytotoxic chemotherapy with significant morbidity and mortality, for which prompt initiation of antibiotics improves clinical outcomes.

Full Article

THT Sung, JSF Shum, WH Kwan

Hong Kong J Radiol 2013;16:117-22

DOI: 10.12809/hkjr1312149

Objective: To describe the pattern of bronchostenosis revealed by computed tomography and virtual bronchoscopy in patients with active tuberculous endobronchitis and associated pulmonary manifestations.

Full Article

PL Kei, JSP Tan, JL Leong, YM Kwok, WEH Lim, LL Chan

Hong Kong J Radiol 2013;16:110-6

DOI: 10.12809/hkjr1313167

Objectives: Cone-beam computed tomography (CBCT) in sinonasal imaging is fairly novel and remains limited to date. This study aimed to compare (1) the image quality of CBCT and multidetector computed tomography (MDCT), and (2) the eye lens dose for paranasal sinus imaging between these two modes of imaging.

Full Article

TW Yeung, HY Lau, YC Wong

Hong Kong J Radiol 2013;16:100-9

DOI: 10.12809/hkjr1313172

Objective: We aimed to determine whether cerebral cortices have regional variation on diffusion-weighted magnetic resonance imaging (DW-MRI) and corresponding apparent diffusion coefficient (ADC) maps. We also aimed to explore the effect of using 1.5T and 3T MRI with respect to such regional variation.