Journal

JLS Khoo, KY Lau, CM Cheung, TH Tsoi

Hong Kong J Radiol 2003;6:217-28

The imaging findings of 9 patients with central nervous system tuberculosis are presented to highlight the typical findings and some complications. Lesions may involve the meninges, brain, and spinal cord. Contrast-enhanced magnetic resonance imaging is the best imaging modality for

EPY Fung, WH Luk, S Lau, TK Loke, JCS Chan

Hong Kong J Radiol 2003;6:214-6

This report is of a rare case of intraductal papillary mucinous tumour of the bile ducts. As diffuse biliary duct dilatation can be the only radiological finding, it may be difficult to differentiate this condition from recurrent pyogenic cholangitis which

JLY Leung, JYL Cheung, TC Tan, KW Tang, CM Chan, LC Ho, SCH Chan

Hong Kong J Radiol 2003;6:211-3

Intracranial involvement of Rosai-Dorfman disease is rare. Central nervous system involvement occurs in less than 5% of patients. To date, there have only been 52 patients with this condition reported in 41 articles. This report is of a patient with

FCY Lam, JLY Leung, PWY Lam, TL Kwan

Hong Kong J Radiol 2003;6:208-10

Solitary fibrous tumour is an uncommon fibrous neoplasm. It was first described in the pleura, although extrapleural sites have also been reported. Solitary fibrous tumour arising from the urinary tract is rare. This report is of a patient with solitary

A Li, YYR Chan, CY Lui, S Lau, KL Mak, HS Lam

Hong Kong J Radiol 2003;6:204-7

A 4-year-old boy presented with motor weakness and was subsequently found to have intraspinal extramedullary arteriovenous malformation (type IV C arteriovenous malformation) at the cervical region. Angiographic embolisation was performed. This patient illustrates the clinical inconspicuousness of spinal arteriovenous malformation

S Ranganathan, BJJ Abdullah, V Sivanesaratnam

Hong Kong J Radiol 2003;6:201-3

The abdominal cocoon syndrome was first described as a rare condition where part of or the whole small bowel is encased within a fibrous membrane. This report is of a 25-year-old Chinese woman who presented with increasing abdominal distension and

KKT Pak, JLF Chiu, CS Kwok, SC Wong, SY Yiu, SCH Chan

Hong Kong J Radiol 2003;6:195-200

Objective: To compare the diagnostic accuracy of spot digital and conventional screen-film mammography and the influence of clinical data on the characterisation of microcalcifications.

Patients and Methods: Twenty nine patients with 30 groups of microcalcifications were studied. Two radiologists assessed

SK Yu, WL Poon, KF Lai, MK Yuen

Hong Kong J Radiol 2003;6:191-4

Objective: To evaluate the magnitude of artifacts created by different materials commonly used in orthopaedic implants and their variation with the distance from the implants.

Patients and Methods: Metallic orthopaedic implants made of 3 different types of materials (stainless steel,

SK Yu, KM Ma, SK Cheung

Hong Kong J Radiol 2003;6:187-90

Objective: A commercially available dual energy X-ray absorptiometry scanner normally provides more than 1 scan mode. The differences between scan modes affect scan time, received radiation dose, and quality of the scan image. A phantom study was performed

WM Mendenhall, RJ Amdur, CG Morris, WA Friedman

Hong Kong J Radiol 2003;6:183-6

Objective: To determine the outcome after radiotherapy for optic nerve sheath meningiomas.

Patients and Methods: Six patients were treated with conventional (1 patient) or stereotactic (5 patients) radiotherapy and were followed up from 3.1 to 9.9 years (mean, 6.2 years).

R Ryan, C Johnston, N McEniff

Hong Kong J Radiol 2003;6:173-6

Uterine leiomyomata (fibroids) are extremely commonly encountered in gynaecological practice. Treatment has traditionally focused on medical and surgical modalities, but the interventional radiology technique of uterine artery embolisation has evolved as an alternative in the past few years. The purpose

AU Buzdar

Hong Kong J Radiol 2003;6:165-72

Significant advances have been made in the treatment of breast cancer since the link was made between the endocrine system and the disease more than 100 years ago. Tamoxifen was the first successful endocrine therapy although, despite its proven effectiveness,

EPY Fung, WH Luk, TK Loke, JCS Chan

Hong Kong J Radiol 2003;6:162-4

Cavernous haemangiomas of the liver are the most common benign tumours of the liver. With modern imaging modalities, haemangiomas are detected more frequently. This report describes a patient with a giant cavernous haemangioma with consumptive coagulopathy that was successfully treated

TW Fan, KW Tang, KF Chan, SP Wu

Hong Kong J Radiol 2003;6:158-61

This report is of a 5-year-old boy presenting with complex partial seizures. These were subsequently found to be due to vertebral artery dissection by magnetic resonance imaging and contrast-enhanced magnetic resonance angiography. Serial changes of contrast-enhanced magnetic resonance angiography

HD Pacholke, DW Pincus, NP Mendenhall

Hong Kong J Radiol 2003;6:155-7

Tourette’s syndrome is a rare, neuropsychiatric disorder of complex aetiology. Although the exact mechanism is not completely understood, neuroendocrine dysfunction is related to the pathogenesis of Tourette’s syndrome. Clinical characteristics of the disorder, including motor tics and coprolalia, are associated

A Vijayananthan, BJJ Abdullah, SP Chan

Hong Kong J Radiol 2003;6:152-4

Disseminated histoplasmosis is a rare and potentially fatal disease caused by the dimorphic soil fungus Histoplasma capsulatum. This report is of a 66-year-old man who was initially diagnosed with a tooth abscess that was revealed to be histoplasmosis at biopsy.

PY Yong, NAA Alias, IL Shuaib

Hong Kong J Radiol 2003;6:144-51

Purpose: To determine the correlation between clinical presentation, plain radiographic signs, and magnetic resonance imaging of the lumbosacral spine for patients with low back pain.

Patients and Methods: Fifty seven patients were included in this study and their clinical presentation,

KH Pay, YW Lee, L Ho, CT Wong, H Huang

Hong Kong J Radiol 2003;6:137-43

Objective: Since more invasive procedures are being performed in radiology departments, this study was performed to ascertain the mortality and morbidity rate of these procedures as part of continuous quality improvement.

Patients and Methods: Five procedure categories of biopsy (lung,

JS Gilroy, RA Zlotecki, WM Mendenhall, CG Morris, SR Schell, WR Rout,RJ Desnoyers, EM Copeland III, SN Hochwald

Hong Kong J Radiol 2003;6:132-6

Objective: To evaluate preoperative bolus versus continuous infusion chemoradiation.

Patients and Methods: Sixty eight patients received either bolus fluorouracil or continuous infusion fluorouracil combined with radiotherapy.

Results: The pathologic stages for bolus fluorouracil, continuous infusion fluorouracil, and overall were pT0,

KH Ng, M Muttarak

Hong Kong J Radiol 2003;6:126-31

Breast cancer remains a leading cause of death among women throughout the world. The incidence is increasing globally and the disease remains a significant public health problem. Mammography is currently the best method to detect early breast cancer before it

WM Mendenhall, AA Mancuso, CG Morris, RJ Amdur, RW Hinerman, NP Mendenhall

Hong Kong J Radiol 2003;6:119-25

The purpose of this literature review is to determine the influence of the primary tumour volume on the likelihood of local control after radiotherapy for head and neck cancer. Tumour volume varies within T stage. The extent of this variability

N Al-Nakshabandi, S Lingawi, L Marchinkow, PL Munk, C Morris, G Legiehn, S Ho

Hong Kong J Radiol 2003;6:107-10

Superselective arterial angiography and embolization for post-traumatic priapism is an established procedure for the control of priapism refractory to conservative measures and medication. For the pre-procedure assessment, cavernosal aspiration of blood is used to measure oxygen. Doppler ultrasound could be

S Lau, WH Yeung, WH Kwan, CS Cheng, HS Lam

Hong Kong J Radiol 2003;6:100-6

Anterior mediastinal masses have diverse origins and aetiologies. Correct diagnosis requires a logical and practical strategy, recruiting as much clinical and radiological information as possible. Computed tomography is a common imaging modality for evaluating mediastinal lesions and can often offer

KKT Lai, YYR Chan, HCE Chan, CWA Chin

Hong Kong J Radiol 2003;6:97-9

A patient with a rapidly growing post-traumatic intra-abdominal desmoid tumour is presented. Although desmoid is classified pathologically as a benign tumour, its infiltrative nature leads to a locally aggressive mass with a high recurrence rate after surgical treatment. In view

IYF Chan, J Khoo

Hong Kong J Radiol 2003;6:94-6

Retroperitoneal lymphangioma is a rare benign congenital malformation of lymphatic channels. This report is of a 51-year-old man with an incidental finding of retroperitoneal lymphangioma.

WH Luk, EPY Fung, K Wang, JCS Chan

Hong Kong J Radiol 2003;6:90-3

Arterial dissection is uncommon in young adults and there are usually underlying causes. This report describes 2 young patients with vascular complications after trivial injury who were diagnosed to have Ehlers-Danlos syndrome. One patient died while the other remains in

WH Ng, PSF Lee, HCA Chan, H Chun

Hong Kong J Radiol 2003;6:86-9

Aim: To assess the cost-effectiveness of protocol driven intravenous urogram performed by radiographers compared with that performed with a radiologist overseeing the whole examination (non-protocol driven intravenous urogram).

Patients and Methods: 200 patients were randomly selected between December 2001 to

WWM Lam, SF Leung, KH Liu, KS Wong

Hong Kong J Radiol 2003;6:81-5

Aim: To ascertain whether temporal lobe necrosis and extracranial carotid stenosis as long-term complications of radiation are associated.

Patients and Methods: Ninety two patients underwent colour doppler ultrasound examinations for the assessment of carotid artery and cross sectional imaging of

TYY Wong, ALM Pang, WCW Chu, M Choi, WWM Lam

Hong Kong J Radiol 2003;6:78-80

Aim: Audit performed to ascertain the attendance rate and the reasons for non-attendance for scheduled breast imaging.

Patients and Methods: The number of defaulters scheduled for breast examinations during mid-May to mid-June 2002 was recorded. All defaulters were approached for

AS McMillan

Hong Kong J Radiol 2003;6:75-7

Aim: To describe the oral health condition and its psychosocial and functional impact among disease-free patients following radiotherapy for nasopharyngeal carcinoma.

Patients and Methods: In this cross-sectional study, patients with nasopharyngeal carcinoma who remained disease-free more than 1 year post-radiotherapy,