Journal

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.

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.

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

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

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

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

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

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

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

Computed Tomographic Images of Bowel Gangrene Secondary to Mesenteric Injury

KKT Lai, YYR Chan, LC Chong, WCC Wong, YHH Huang

Hong Kong J Radiol 2002;5:132-5

A case of bowel gangrene secondary to mesenteric injury is described. Although computed tomography is the primary imaging modality for the assessment of patients with blunt abdominal injury, computed tomography findings in bowel and mesenteric injury can be subtle and

Echocardiographic Assessment of Neonates with Congenital Heart Disease

MP Leung

Hong Kong J Radiol 2002;5:126-31

Echocardiographic imaging of neonates with congenital heart disease should be performed in a systematic manner, using the sequential segmental approach. The initial step involves determining the atrial arrangement, followed by assessment of the atrio-ventricular and ventriculo-arterial connections, and detection of

Sacrococcygeal Chordoma

MYS Soo, L Wong

Hong Kong J Radiol 2002;5:117-25

The imaging findings in 5 cases of sacrococcygeal chordoma and 4 patients with other sacral tumours (1 primary neurogenic tumour, 1 metastatic tumour from primary disease in the breast and 1 from the kidney, and an abdominal paraganglioma) are presented

Luminal Gas Mimicking Pneumatosis Intestinalis: A Cautionary Tale

WC Torreggiani, ID Lyburn, AC Harris, PL Munk

Hong Kong J Radiol 2002;5:114-6

We report the case of a patient with partial small bowel obstruction who underwent laparotomy for possible bowel ischaemia, after imaging studies suggested pneumatosis intestinalis. At surgery, the patient was shown to have small bowel obstruction due to inspissated feeds.

Porcelain Appendix: A Rare but Essential Diagnosis

KM Auyeung, CW Lai, SF Lee

Hong Kong J Radiol 2002;5:111-3

Mucocele of the appendix is a rare entity, not often considered when problems pertaining to the right lower abdominal quadrant are encountered. We describe the case of a patient with a large cystic mass in the lower abdomen, with extension

Megacalycosis Revisited

PHC Lau, AF McKenzie

Hong Kong J Radiol 2002;5:109-10

A case of megacalycosis is reported as an incidental finding in a Chinese woman with bilateral breast cancer. Megacalycosis is an uncommon condition. The radiological features and a literature review of this condition are presented.

Idiopathic Spinal Epidural Lipomatosis

RKT Lee, LF Chau, KS Yu, CW Lai

Hong Kong J Radiol 2002;5:105-8

Spinal epidural lipomatosis is most often associated with exogenous steroid therapy and endocrinopathy. Idiopathic spinal epidural lipomatosis is a rare disease. Obesity may be associated with this condition. We report the case of a patient with persistent back pain after

Postoperative Adjuvant 5-Fluorouracil plus Levamisole Chemotherapy for Stage III Colon Carcinoma: 7-Year Experience in a Single Institution

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

Preoperative Radiotherapy for Resectable Adenocarcinoma of the Rectum

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

Gastrointestinal Stromal Tumours—A Retrospective Study of the Clinical, Endoscopic, and Computed Tomographic Features

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

Adjuvant Chemotherapy for Nasopharyngeal Carcinoma

PML Teo

Hong Kong J Radiol 2002;5:79-81

No abstract available.

Percutaneous Insertion of Hickman Central Venous Catheter: Jugular Approach

KY Lau

Hong Kong J Radiol 2002;5:69-72

Traditionally, tunnelled central venous catheter insertions have been performed by surgeons. However, there is an increasing trend towards central catheters being placed by interventional radiologists under image guidance. The many advantages of inserting central catheters via the jugular approach under

Rheumatoid Arthritis: Survey of Magnetic Resonance Imaging Features in the Musculoskeletal System

PL Munk, LO Marchinkow, WC Torreggiani, MJ Lee

Hong Kong J Radiol 2002;5:63-8

Rheumatoid arthritis is the most common inflammatory arthropathy worldwide, but may be less prevalent in Asian populations. The spectrum of magnetic resonance imaging findings encountered in the musculoskeletal system in this disease are discussed. The role of magnetic resonance imaging

Imaging Features of Aleveolar Soft Part Sarcoma

S Nicolaou, J Hagel, PL Munk, WC Torreggiani, JJ Dubec, MJ Lee, JX O'Connell

Hong Kong J Radiol 2002;5:54-62

Alveolar soft part sarcoma is a rare, highly vascular, soft tissue sarcoma. It usually presents as a slow growing, painless lesion in the lower extremities of young adults. Bone invasion is rare. In this pictorial essay, we present the imaging

Solid-cystic Pancreatic Tumour (Frantz's Tumour)—An Unusual Spleno-renal Angle Tumour in a Teenager

PSF Lee, ASC Ching, YL Chan

Hong Kong J Radiol 2002;5:50-3

We report a rare case of solid-cystic pancreatic tumour presenting as a spleno-renal angle mass in a 14-year-old girl. Transabdominal ultrasound showed a well-capsulated mass with irregular heterogeneous echogenic foci intermixed with small hypoechoic components in a bizarre pattern. The

Lymphoepithelioma-like Carcinoma of the Lung

CS Cheng, WH Yeung, WK Kwok, WH Kwan

Hong Kong J Radiol 2002;5:47-9

Primary lymphoepithelioma-like carcinoma of the lung is a rare tumour. We report a patient with a solitary pulmonary nodule, unchanged on follow-up CT scans of the thorax over two years, but subsequently confirmed on histology as a lymphoepithelioma-like carcinoma of

Iliofemoral Deep Vein Thrombosis Secondary to Venous Compression by a Massively Distended Bladder

D Liu, WC Torreggiani, PL Munk, S Ho, C Morris, G Legiehn

Hong Kong J Radiol 2002;5:43-6

A case of iliofemoral deep vein thrombosis secondary to venous compression by a massively distended bladder is reported. Ascending venography was valuable in identifying the primary cause of venous obstruction, as well as guiding thrombolysis.

Chronic Thromboembolic Pulmonary Hypertension

K Wang, SSS Lo, KW Chan

Hong Kong J Radiol 2002;5:39-42

The characteristic imaging features of chronic thromboembolic pulmonary hypertension are described. This is a very rare disorder; prompt surgical treatment affords good results. The complementary use of the ventilation/perfusion scan and CT pulmonary angiogram in diagnosis, and exclusion of other

Bird's Nest Inferior Vena Cava Filter Thrombosis

KY Lau, JKW Chan, SW Pang, DJ Roebuck, LTH Tan

Hong Kong J Radiol 2002;5:35-8

We describe the case of a patient who died approximately 3 months after having had a jugular Bird’s nest inferior vena cava filter placed for prophylaxis of pulmonary embolism. Postmortem examination revealed inferior vena cava filter thrombus and thromboembolic occlusion

Acute Dural Sinus Thrombosis—Computed Tomography and Magnetic Resonance Imaging Features

KY Lau, M Au-Yeung, TH Tsoi, DJ Roebuck, LTH Tan

Hong Kong J Radiol 2002;5:29-34

Dural sinus thrombosis is a diagnosis that is not commonly thought of in the first instance by radiologists and clinicians, especially when the clinical presentation is not specific. We describe the clinical presentation of three patients with acute thrombosis of

Radiation Doses to Staff in a Nuclear Medicine Department

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