Original Articles

Full Article

KCH Lau, CY Lui, LMF Tee, YHA Tsang, KKT Pak, M Ying, CM Chan, HS Lam

Hong Kong J Radiol 2011;14:218-28

Objective: To determine the role of breast magnetic resonance imaging in the preoperative assessment of patients with newly diagnosed breast cancer and its impact on surgical management.

Full Article

BMH Lai, VKP Fung, JSF Shum, ANL Sy, SCS Cheng, JLS Khoo

Hong Kong J Radiol 2011;14:212-7

Objective: To evaluate the effectiveness and practicality of dose-reduction measures for double-contrast barium enema based on well-established UK National Reference Levels.

Full Article

KC Chan, WCW Chu, CM Chu

Hong Kong J Radiol 2011;14:207-11

Objective: To improve the workflow of clinical radiological conferences held outside radiology department, where a radiology workstation is unavailable.

Full Article

AYH Wan, JSF Shum, WH Kwan, CS Cheng

Hong Kong J Radiol 2011;14:161-6

Objective: The tree-in-bud sign is a common finding on thin-section computed tomography of the lungs. However, the differential diagnosis of this common radiological finding is long and exhausting. Knowledge of its common causes together with the patient’s

Full Article

SSM Wong, K Wang, EHY Yuen, JKT Wong, A King, AT Ahuja

Hong Kong J Radiol 2011;14:155-60

Objective: To evaluate the value of Gallium-67 single-photon emission computed tomography/computed tomography in the diagnosis and monitoring treatment response of malignant otitis externa.

Full Article

HKF Mak, L Zhang, ST Feng, DKW Yeung, DTM Chan, XL Zhu, WS Poon

Hong Kong J Radiol 2011;14:147-54

Objective: To evaluate the efficacy of blood oxygen level–dependent functional magnetic resonance imaging in the preoperative mapping of sensorimotor cortices and language areas, and its impact on surgical decisions.

Full Article

SY Wong, CS Wong, TW Leung, ML Law, WY Ng, AS Lee, WK Sze, Y Tung

Hong Kong J Radiol 2011;14:141-6

Objective: To evaluate treatment results of intraoral cone therapy with or without external radiotherapy as primary treatment in patients with carcinoma of oral cavity.

Full Article

CSL Tong, RKL Lee, PSF Lee

Hong Kong J Radiol 2011;14:132-40

Objective: Computed tomography–guided radiofrequency ablation is an emerging minimally invasive therapy for solid organ neoplasms. This study aimed to evaluate our technical and safety experience with this procedure when used for the ablation of adrenal tumours.

WCW Chu, WWM Lam

Hong Kong J Radiol 2002;5:176-82

Objective: To evaluate the efficiency and effectiveness of the sedation practice adopted for paediatric patients undergoing magnetic resonance imaging examination in a local hospital in Hong Kong.

Materials and Methods: 120 consecutive children with a mean age of 3.2 years

YL Chan, WWM Lam, C Metreweli, SSC Chung

Hong Kong J Radiol 2002;5:170-5

Objective: To assess the diagnostic problem created by pneumobilia at magnetic resonance cholangiography performed in the supine position, and to investigate whether performing the examination in the decubitus position obviates the problem.

Patients and Methods: Twelve patients with a history

ASC Cheng, HKF Mak, CKC Lai, CB Ip, HS Cheung

Hong Kong J Radiol 2002;5:162-9

Objective: A retrospective study to describe the imaging findings of Crohn’s disease in Hong Kong Chinese patients.

Patients and Methods: Radiological and cross-sectional imaging studies performed in a 3-year period (1997 to 2000) on 17 patients with proven Crohn’s disease

CC Law, YT Fu

Hong Kong J Radiol 2002;5:97-104

Objectives: To determine the therapeutic efficacy and toxicity of 5-fluorouracil plus levamisole as postoperative adjuvant therapy for stage III colon carcinoma, and to identify prognostic variables.

Materials and Methods: A retrospective review was undertaken of 168 patients registered in our

RA Zlotecki, WM Mendenhall, EM Copeland III

Hong Kong J Radiol 2002;5:88-96

Objective: To evaluate recurrence and survival rates in patients with resectable rectal adenocarcinoma treated with preoperative radiotherapy.

Patients and Methods: Two hundred and ten patients with resectable rectal adenocarcinoma treated with preoperative radiotherapy and surgery were seen for a minimum 5

HKF Mak, CMY Leung, CW Chan, JWC Ho, KKO Mak, KCW Wong

Hong Kong J Radiol 2002;5:82-7

Objective: To evaluate the clinical, endoscopic, and computed tomographic findings of gastrointestinal stromal tumours.

Patients and Methods: Twenty-five patients with the pathological diagnosis of gastrointestinal stromal tumours seen at Yan Chai Hospital over a period of 5 1/2 years were included

WY Ho, KK Wong, YL Leung, KC Cheng, FTH Ho

Hong Kong J Radiol 2002;5:24-8

Objectives: To measure external radiation doses and estimate internal radiation doses (due to the process of radionuclide injection) to staff members working in a nuclear medicine department over a 1-year period; to assess the possible radiation doses to staff members

CB Chan, LK Chan, HS Lam

Hong Kong J Radiol 2002;5:19-23

Objective: To assess the scattered radiation dose to personnel during CT fluoroscopy using phantom measurements.

Materials and Methods: Scattered radiation levels (normalised by mA and scan time) were measured at different distances from the isocentre of the CT scanner with

PL Munk, SGF Ho, GM Legiehn, MJ Lee, DC Morris

Hong Kong J Radiol 2002;5:14-8

Objective: To determine the frequency and magnitude of decreases in renal function, haemoglobin levels, and platelet count after chemoembolisation in patients with liver tumours.

Materials and Methods: Eighteen patients with a mean age of 59 years (range, 37 to 78

FJ Lagerwaard, PC Levendag, A van Nimwegen, C de Pan, PJCM Nowak

Hong Kong J Radiol 2001;4:137-42

Objective: We report a 5-year local relapse-free survival of 94% for T1 to 2 nasopharyngeal carcinoma using endocavitary brachytherapy as a boost to deliver cumulative doses of 95 Gy to the nasopharynx. Brachytherapy may be less than adequate for extension

SK Yu, CM Kung, YK Cheung, CF Ip, TL Chan, E Tsui

Hong Kong J Radiol 2001;4:146-9

Objectives: To determine the total dose-area product values for barium enema examinations; to determine the major dose contributor and to propose methods for reduction of patient dose without affecting the diagnostic values of the examination; and to compare the results

HPS Wai, RMW Yeung, WM Sze, TK Yau, AWM Lee

Hong Kong J Radiol 2001;4:143-5

Superior vena cava obstruction is, in the majority of patients, due to the presence of a malignant tumour within the mediastinum, i.e. lung cancer and lymphoma. It is usually highly responsive to radiotherapy, regardless of the underlying tumour

BJJ Abdullah, KH Ng, P Rassiah

Hong Kong J Radiol 2001;4:133-6

Objective: To compare the dose area product, effective dose, and image quality of hysterosalpingography using conventional and high kilovolt techniques.

Patients and Methods: Image quality and patient dose were assessed for hysterosalpingography examinations performed on 30 patients at the University