Journal

Superselective Arterial Angiography and Embolization for Post-traumatic Priapism

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

Computed Tomography of Anterior Mediastinal Masses

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

Intra-abdominal Desmoid Tumour

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

Retroperitoneal Lymphangioma in an Adult

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.

Vascular Complications of Ehlers-Danlos Syndrome in Young Chinese Adults

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

Cost Effectiveness Analysis of Protocol Driven Intravenous Urogram Performed by Radiographers

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

Association of Post-irradiation Temporal Lobe Necrosis and Extra-cranial Carotid Stenosis in Nasopharyngeal Carcinoma

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

Audit of Attendance for Scheduled Breast Imaging Examinations

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

Oral Health and Quality of Life Following Radiotherapy for Nasopharyngeal Carcinoma

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,

Upright, Weight-bearing, Dynamic-kinetic Magnetic Resonance Imaging of the Spine—Review of the First Clinical Results

JR Jinkins, JS Dworkin, CA Green, JF Greenhalgh, M Gianni, M Gelbien, RB Wolf, J Damadian, RV Damadian

Hong Kong J Radiol 2003;6:55-74

Magnetic resonance imaging has, until recently, been limited to scans with patients in the recumbent position. However, a new fully open magnetic resonance imaging unit has been configured to allow upright, partially upright, and recumbent imaging, enabling weight-bearing positional evaluation

Acute Osteolysis of the Public Bone and Sacral Insufficiency Fracture

YYR Chan, YL Lee, WF Ng, KKT Lai, ACW Chin, WC Wong, YHH Huang

Hong Kong J Radiol 2003;6:45-7

Pubic osteolysis can mimic malignant or infective bone disease. With a growing elderly population locally, it is expected that an increasing number of patients with pubic osteolysis will be encountered in clinical practice. Awareness of this entity and a vigorous

Paget's Disease of the Breast

CY Lui, KL Mak, HS Lam, LK Chan

Hong Kong J Radiol 2003;6:42-4

Paget’s disease of the breast is an uncommon entity. It is characterised by clinical findings of nipple changes, with or without an underlying palpable mass, and is invariably associated with underlying malignancy. We present a case of Paget’s disease of

Severe Arm Pain Preceding Life-threatening Reaction to Gadolinium—a Possible Warning Sign?

A Lqbal, CJ Roche

Hong Kong J Radiol 2003;6:40-1

Gadolinium-based contrast agents are used in selected patients for further characterisation of lesions. These contrast agents are safe for the vast majority of patients, although various adverse reactions to these agents have been reported with relatively few life-threatening reactions, especially

Computed Tomographic Diagnosis of Unsuspected Pericarditis

RT Dwyer, T Khalil

Hong Kong J Radiol 2003;6:36-9

There is a paucity of scientific literature regarding the utility of computed tomography in the diagnosis of acute pericarditis. This report may be the first in the English language literature to document a diagnosis of clinically unsuspected acute pericarditis made

Primary Tuberculosis of the Breast

JHF Yuen, TPW Lam, L Leong

Hong Kong J Radiol 2003;6:33-5

The mammographic and sonographic features of primary tuberculosis of the breast are discussed, alongside the presentation of a patient with this condition. A definitive diagnosis, based on imaging alone, can be difficult to make due to the variable patterns of

Uterine Lipoleimyoma: Ultrasound and Computed Tomography Findings

HHL Chan, MT Chau, CHL Lam, SCW Cheung

Hong Kong J Radiol 2003;6:30-2

Uterine lipoleiomyoma is a rare benign tumour, with only 8 cases reported in the radiological literature to date. It is easily misdiagnosed as an ovarian teratoma on radiological imaging studies. This report is of a patient with uterine lipoleiomyoma as

Breast Thickness and Lesion Depth Measurement Using Conventional Stereotactic Biopsy Systems

T Chan, KW Wong, KW Tsui, HY Lau, MC Au Yeung

Hong Kong J Radiol 2003;6:28-9

Thin breasts and shallow lesions are commonly encountered problems that preclude safe stereotactic core biopsy with a vertical approach using erect add-on stereotactic biopsy systems. A simple method to measure breast thickness and depth of lesion using conventional erect add-on

Identification of Cranial Nerve Impingement Using 3-Dimensional Constructive Interference in Steady State Sequence

SS Lingawi

Hong Kong J Radiol 2003;6:25-7

The use of 3-dimensional constructive interference in steady state magnetic resonance imaging sequence in the evaluation of vascular loops related to the various cranial nerves in patients with cranial neuropathies and a healthy population is described.

The Prevalence of Vascular Impingement of the Trigeminal, Facial, and Vestibulocochlear Nerves in Healthy Volunteers

SS Lingawi

Hong Kong J Radiol 2003;6:20-4

Aim: To determine the prevalence of vascular impingement of the trigeminal, facial, and vestibulocochlear nerves in a healthy population.

Subjects and Methods: The trigeminal, facial, and vestibulocochlear nerves of 90 asymptomatic volunteers were assessed for the presence or absence of

Juvenile Nasopharyngeal Angiofibroma

WM Mendenhall, JW Werning, RW Hinerman, RJ Amdur, DB Villaret

Hong Kong J Radiol 2003;6:15-9

Review of the literature was performed to define the optimal treatment of patients with juvenile nasopharyngeal angiofibroma. Patients with extracranial juvenile nasopharyngeal angiofibroma have a high likelihood of cure with acceptable morbidity after surgery alone. Transnasal endoscopic resection is highly

Chemotherapy for Non-metastatic High-grade Osteosarcoma of Extremity—Is Neoadjuvant Better than Adjuvant?

RKC Ngan

Hong Kong J Radiol 2003;6:7-14

The addition of adjuvant or neoadjuvant chemotherapy to surgery revolutionises the treatment of high-grade non-metastatic osteosarcoma of the extremities. Overall 5-year survival of more than 50% to 60% is now a realistic achievable goal. Neoadjuvant chemotherapy possesses the theoretical

Radiological Appearances of Severe Acute Respiratory Syndrome

KT Wong, GE Antonio, DSC Hui, N Lee, EHY Yuen, A Wu, CB Leung, TH Rainer, P Cameron, SSC Chung, JJY Sung, AT Ahuja

Hong Kong J Radiol 2003;6:4-6

Recently, there has been an outbreak of severe acute respiratory syndrome in Hong Kong. Various radiological appearances, including chest X-ray and computed tomography, at the time of diagnosis, and the imaging protocol for suspected cases are reviewed in this article.

SAR's SARS

Peter ML Teo

Hong Kong J Radiol 2003;6:3

No abstract available.

Congenital Inner Ear Malformations

KS Tse, KM Chu, LF Chiu, TW Fan, TK Tsang, TL Kwan

Hong Kong J Radiol 2011;14:118-25

Hearing impairment is defined as a person’s hearing threshold being above the normal range of -10 to 15 decibels. It has significant impact on a child’s language, cognitive, socioemotional and behavioural development. Therefore early recognition of hearing

Redundant Nerve Roots of the Cauda Equina Associated with Lumbar Spinal Arachnoid Cyst

SWV Chan, R Lee, MT Chau

Hong Kong J Radiol 2011;14:113-7

A patient with redundant nerve roots of the cauda equina associated with the presence of an intra-spinal arachnoid cyst is described. She presented with sensory, motor and sphincter dysfunction. Magnetic resonance imaging revealed redundant nerve roots manifesting

Primary Cutaneous Gamma-delta T-cell Lymphoma: Predominant Subcutaneous Uptake Detected by 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomographic Scan in a Rapidly Deteriorating Patient

B Lo, CM Lok, KM Kwok, WP Chu, WS Mak, NY Sin

Hong Kong J Radiol 2011;14:108-12

Primary cutaneous gamma-delta T-cell lymphoma is a rare subtype of primary cutaneous peripheral T-cell lymphoma. In the latest World Health Organization / European Organisation for Research and Treatment of Cancer classification and World Health

Congenital Posterior Arch Defect of the Atlas: Report of a Rare Anomaly

CY Chu, RTM Chan, VKP Fung, CS Cheng

Hong Kong J Radiol 2011;14:102-7

Congenital defects of the posterior arch of the atlas are rare, with a reported prevalence of 0.95 to 4%. The defects have been classified into five types (A-E), with type A being most common and types B-E being found only in 0.69% of the general population.

Disseminated Atypical Teratoid/Rhabdoid Tumour in a Boy: Uncommon Presentation of a Rare and Highly Aggressive Tumour of the Central Nervous System

WP Chu, KL Siu

Hong Kong J Radiol 2011;14:97-101

Atypical teratoid/rhabdoid tumour is a rare, highly aggressive tumour of the central nervous system, usually encountered in paediatric patients, and at presentation it is seldom disseminated. This report describes such a case in a 21-month-old boy.

Anterior Interosseous Nerve Syndrome: Characteristic Magnetic Resonance Findings and Applications

CY Chu, JCK Lee, JLY Leung, CS Cheng

Hong Kong J Radiol 2011;14:93-6

Anterior interosseous nerve syndrome, also known as Kiloh-Nevin syndrome, is characterised by weakness of the muscles supplied by the anterior interosseous nerve, a branch of the median nerve that innervates the flexor pollicis longus, the flexor digitorum

Acute Calcific Prevertebral Tendonitis: an Uncommon Cause of Acute Neck Pain Presenting with a Retropharyngeal Effusion

FNY Sin, AB Lo, KL Siu, WP Chu

Hong Kong J Radiol 2011;14:89-92

Acute calcific prevertebral tendonitis is a self-limiting inflammatory process due to deposition of calcium hydroxyapatite in the tendon fibres of the longus colli muscles. Its initial clinical and radiological presentation significantly overlaps with that of a retropharyngeal