Journal

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HS Fung, PWY Lam, TK Tsang, WK Wong, CW Siu, CM Chan, KW Tang, YL Cheung

Hong Kong J Radiol 2008;11:122-5

Neurilemmoma (schwannoma) is a benign peripheral nerve sheath tumour that rarely occurs in the nasal cavity. Lesions that present in the paranasal sinuses and nasal cavity account for approximately 4% of head and neck neurilemmomas. In patients with a known

Full Article

R Koul, P Tai, A Dubey

Hong Kong J Radiol 2008;11:116-21

Gliosarcoma is a rare primary malignancy of the central nervous system, classified by the World Health Organization as a high-grade glioma and a variant of glioblastoma multiforme. This report is of 5 patients with gliosarcoma, with emphasis on the pathology and

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CM Chu, WH Ng, DYW Siu, WK Li, PSF Lee

Hong Kong J Radiol 2008;11:112-5

Objective: To assess the cost-effectiveness of protocol-driven barium enema performed by radiographers compared with that performed by radiologists.

Methods: This was a retrospective review of 248 consecutive patients

Full Article

HS Fung, S Lau, JCW Siu, CM Chan, SCH Chan

Hong Kong J Radiol 2008;11:108-11

Objective: To determine the utility and accuracy of ultrasonography for the diagnosis of acute appendicitis.

Methods: In this retrospective study, 242 of 286 patients undergoing ultrasonography of the appendix from 1 June 2006 to 31

Full Article

TJ Tan, HS Teh, U Pua, SH Ho

Hong Kong J Radiol 2008;11:103-7

Objective: To describe the use of renal angiography in the detection of renal vascular injuries following percutaneous nephrolithotripsy and to assess the efficacy of endovascular management of these complications.

Full Article

KKM Kwok, TKL Loke, JPK Hui, MHY Lai, JCS Chan

Hong Kong J Radiol 2008;11:92-5

Ovarian neoplasm is relatively rare in the paediatric population compared with adults, but it is occasionally found in older children and adolescents presenting with abdominal distension. Germ cell tumours are the most common type of malignant ovarian neoplasms in

RKC Ngan, RKY Wong, F Tang

Hong Kong J Radiol 2004;7:88-94

Although both radiotherapy and surgery can cure the majority of patients with early oral tongue cancer, radiotherapy consisting mainly of interstitial brachytherapy has the advantage of preserving the tongue function. Interstitial brachytherapy alone employing iridium-192 hairpins or wires has been

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T Chu, KF Ma, CS Wong, LF Cheng, WT Yung, KW Chan

Hong Kong J Radiol 2008;11:89-91

Computed tomography and magnetic resonance imaging scans are often required to characterise an adrenal lesion according to its size, heterogeneity, content, and enhancement pattern. This report is of a diagnostic dilemma, in which a chronic expanding haematoma of

JCW Siu, EYK Tsui

Hong Kong J Radiol 2004;7:84-7

Spongiform leukoencephalopathy is a distinct pathological entity usually following inhalation of heroin, while spongiform leukoencephalopathy resulting from intravenous injection of heroin is very rare. The magnetic resonance imaging findings are non-specific with widespread symmetrical high-signal lesions in white matter. This

Full Article

HS Fung, S Lau, AMW Wai, AKH Lai, MK Chan, WK Wong, SCH Chan

Hong Kong J Radiol 2008;11:85-8

Gunshot injury is a serious but uncommon type of trauma in Hong Kong. This report describes 2 cases of gunshot injury, 1 by a handgun and 1 by a shotgun. The literature is reviewed, with emphasis on important imaging features and associated forensic

A Li, S Lau, TKL Loke, JCS Chan

Hong Kong J Radiol 2004;7:81-3

Primary epiploic appendagitis is a benign self-limiting condition, which is not as rare as presumed. Computed tomography demonstrates characteristic features that enable correct diagnosis, thereby avoiding unnecessary treatment.

Full Article

GG Lo, JKF Chan, SK Yu, CW Lau, YF Leung

Hong Kong J Radiol 2008;11:81-4

Objective: To evaluate the radiation dose reduction benefit and image quality performance of SnapShot Pulse in step-and-shoot mode for helical coronary computed tomography angiography.

Methods: Twenty coronary computed tomography angiography

JCW Siu, CY Chan, YC Wong, MK Yuen

Hong Kong J Radiol 2004;7:76-80

The initial clinical presentation of Japanese encephalitis is usually non-specific and can be similar to other causes of encephalitis or encephalopathy. Early and accurate diagnosis requires a high index of suspicion by both physician and radiologist. This report describes the

Full Article

MH Atalar, E Albayrak, P Erdinc, S Bulut

Hong Kong J Radiol 2008;11:76-80

Objective: To describe the radiological findings of the rare osseous disorder cherubism.

Methods: Five patients with cherubism underwent clinical, radiological, and histopathological evaluation. The patients’ sex, age, and

LCY Lui, RTT Chan, CCH Kwok, WM Wong, CC Yau, GKH Au, CL Lai

Hong Kong J Radiol 2004;7:72-5

Objective: To analyse the incidence of hepatitis B reactivation following treatment with irinotecan-based combined chemotherapy and the outcomes of patients with hepatitis B reactivation.

Patients and Methods: A prospective phase II study investigating the response to irinotecan, leucovorin, and 5-fluorouracil

Full Article

O Buckley, W Benfayed, T Geoghegan, T Persaud, M Jeffers, F Khosa, WC Torreggiani

Hong Kong J Radiol 2008;11:72-5

Objective: To determine whether the volume of fluid aspirated during ultrasound-guided thoracocentesis influences the histological diagnosis.

Methods: Fifty patients with unilateral pleural effusion of unknown cause,

JG Brabham, CG Morris, RJ Amdur, WM Mendenhall

Hong Kong J Radiol 2004;7:70-1

Objective: To analyse the efficacy of external beam radiotherapy in patients with Hürthle cell carcinoma of the thyroid treated with curative intent.

Patients and Methods: Five patients received postoperative radiotherapy for suspected subclinical (3 patients) or gross residual (2 patients)

DM King

Hong Kong J Radiol 2004;7:66-9

Cutaneous melanoma is a widely metastasising neoplastic disease with an unpredictable pattern of spread. Imaging has an important role to play in the management of this disease, particularly in the delineation of metastases. This article discusses the use of ultrasound,

A McLean

Hong Kong J Radiol 2004;7:61-5

Islet cell tumours are rare lesions. The majority (85%) are functioning hormone-producing tumours, insulinomas and gastrinomas being the most common. Approximately 15% of islet cell tumours are non-functioning. These are usually larger lesions, often presenting at an advanced stage as

Full Article

WC Fan, CC Chan, JCS Chan

Hong Kong J Radiol 2008;11:69-71

Objective: To investigate the safety profile of image-guided drainage using the trocar technique.

Methods: The medical records of 93 patients undergoing image-guided drainage procedures using the trocar technique at a local

Full Article

WCS Cho, RKC Ngan

Hong Kong J Radiol 2008;11:63-8

After the accomplishment of the Human Genome Project, there has been intense interest in applying differential proteomic analysis to discover biomarkers for cancer diagnosis, treatment, and prognosis. Nasopharyngeal carcinoma is one of the most common cancers in

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AWH Ng, WCW Chu, ASC Ching, EKW Chan, YH Tam, MY Au

Hong Kong J Radiol 2008;11:47-55

High-resolution sonography is widely accepted as the method of choice for screening and diagnosis of scrotal pathology in childhood. High-resolution sonography enables rapid evaluation of the paediatric scrotum, with virtually no risk. There is a wide spectrum of

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S Ab Hamid, BJJ Abdullah

Hong Kong J Radiol 2008;11:44-6

Psoas abscess is a rare clinical entity. Rarely, it is associated with thrombosis of the inferior vena cava. This report is of a 36-year-old woman with bilateral pyogenic psoas abscesses with spondylodiscitis complicated by thrombosis of the inferior vena cava. The

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CCM Cho, WCW Chu, APY Tang

Hong Kong J Radiol 2008;11:41-3

This report is of a 48-year-old woman with systemic lupus erythematosus, who presented with a lump in the left breast and was subsequently diagnosed with lupus mastitis. This is a rare presentation, and only 15 patients have been reported in the literature.

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J Hunjan, MYS Soo, T Ng, M Dexter

Hong Kong J Radiol 2008;11:35-40

This report is of a patient with foramen magnum papillary meningioma. The condition is rare and this report highlights its unusual 10-year clinical course. Angiographic features underestimated the extreme vascularity at the initial surgery when the diagnosis was

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R Koul, A Binahmed, A Dubey, R Nason, AL Cooke

Hong Kong J Radiol 2008;11:32-4

Odontogenic carcinomas of the maxilla are classified as malignant ameloblastoma, ameloblastic carcinoma, or primary intraosseous carcinoma. The term ameloblastic carcinoma is used to describe those ameloblastomas in which there is histological evidence of

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W Ki, YYP Lee, DLK Dai

Hong Kong J Radiol 2008;11:28-31

Extensive data have shown that magnetic resonance spectroscopy is valuable for the diagnosis of common dementias. Cerebral perfusion single photon emission computed tomography has proven characteristic perfusion defect patterns in patients with Alzheimer's

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KM Auyeung, PL Khong, HKF Mak, GCF Chan

Hong Kong J Radiol 2008;11:24-7

This report describes the clinical presentation and imaging findings of a young boy with an uncommon brain tumour, basal ganglia germinoma. The evolution of the tumour on magnetic resonance imaging is illustrated.

HHL Chan, TPW Lam, JHF Yuen, LLY Leong

Hong Kong J Radiol 2004;7:49-55

There are a number of benign conditions or non-mammary malignancies that share similar appearances to those seen in primary breast carcinoma, causing diagnostic confusion. This pictorial review aims to describe and illustrate the mammographic and sonographic appearance of these conditions,

Full Article

FJ Londy, S Rohrer, S Kumar, H Parmar, SK Mukherji

Hong Kong J Radiol 2008;11:19-23

Aim: To determine whether there are significant differences between 3.0 Tesla and 1.5 Tesla in the degree of contrast enhancement of skull base lesions.

Patients and Methods: Fifteen consecutive patients with lesions