Vol. 5, No. 3, 2002

Table of Contents


Chemotherapy for Advanced Colorectal Carcinoma: Fact and Fable

RTT Chan, GKH Au, CC Yau

Hong Kong J Radiol 2002;5:143-54

For more than 40 years, 5-florouracil has been the mainstay of treatment for advanced colorectal carcinoma. Despite its many modulations by other agents or changes in scheduling of its delivery with resultant improvement in response rates, the increase in absolute

Imaging in Thalassaemia

YL Chan, HY Tse

Hong Kong J Radiol 2002;5:155-61

Thalassaemia is the most important haemoglobinopathy in Hong Kong and Southeast Asia. In this review, the role of ultrasound in prenatal imaging of affected foetuses and the value of radiography and magnetic resonance imaging in the evaluation and management of


Imaging Features of Crohn's Disease in Chinese People: A Preliminary Study

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

Pneumobilia at Magnetic Resonance Cholangiography: Diagnostic Pitfalls and Solutions

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

Sedation of Paediatric Patients Undergoing Magnetic Resonance Imaging Examination: A Clinical Audit

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


Amyloidosis: The Value of Bone Scintigraphy

K Wang, SL Fung, V Chan, JCS Chan

Hong Kong J Radiol 2002;5:183-5

An 80-year old woman complained of a 1-month history of dry cough. Bronchoscopy and tracheobronchial biopsy revealed tracheobronchial amyloidosis. Compted tomography scan showed narrowing of the trachea with intraluminal nodularity. Whole body and single photon emission computed tomography 99mTc pyrophosphate

Metastatic Calcification

KF Tam, K Wang, WC Fan

Hong Kong J Radiol 2002;5:186-9

A patient with metastatic calcification is presented and the contributions of plain film, computed tomography, and bone scintigraphy in the diagnosis are discussed. The patient had a long history of end-stage renal failure, and was previously receiving peritoneal dialysis and

Lymphangioleiomyomatosis: Computed Tomography–guided Tru-cut Biopsy of a Retroperitoneal Mass

R Lee, KSH Tung, WK Tso, FL Chan

Hong Kong J Radiol 2002;5:190-2

A patient with lymphangioleiomyomatosis with an unusual presentation mimicking ovarian cancer is described. Computed tomography-guided tru-cut biopsy of the retroperitoneal lymph node established the histological diagnosis. Concomitant computed tomography-guided fine needle aspiration only revealed a large number of small-sized lymphocytes.

Urinary Bladder Leiomyoma

FK Wong, YFM Wong, KF Ma, CY Lui

Hong Kong J Radiol 2002;5:193-6

A case of urinary bladder leiomyoma in a patient initially diagnosed as having urethritis on account of a 2-week history of purulent urethral discharge is presented. The clinical presentation, imaging findings, and management of this rare benign tumour are discussed.


Gastrointestinal Stromal Tumours of the Small Bowel—Computed Tomography Appearance, Angiographic Features, and Potential Pitfalls in Digital Subtraction Angiography

CT Wong, YW Lee, LWC Ho, KH Pay, HYH Huang

Hong Kong J Radiol 2002;5:197-201

Gastrointestinal stromal tumours are neoplasms that were formerly misnamed as smooth muscle tumours of the gastrointestinal tract (leiomyomas and leiomyosarcomas). The diagnosis and localisation of these tumours as a cause of bleeding from the small bowel is often difficult. This