Journal

Full Article

JWC Wai, MK Chan, KW Tang, SCH Chan

Hong Kong J Radiol 2012;15:187-91

Infiltration of the peripheral nervous system by lymphoma is termed neurolymphomatosis. Prior to identification of the causative B lymphocyte, neurolymphomatosis was the least common clinical presentation of nervous system lymphoma.

Full Article

YK Chik, AKC Leung, KC Ngan

Hong Kong J Radiol 2012;15:181-6

This report is of a rare occurrence of lymph node relapse in a 46-year-old Chinese man with dermatofibrosarcoma protuberans of the abdominal wall. At initial presentation, the patient underwent wide local excision of the primary lesion.

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KL Siu, FNY Sin, KFJ Ma

Hong Kong J Radiol 2012;15:177-80

Congenital agenesis of the internal carotid artery is a rare malformation. Although the condition can be regarded as a normal variant, recognition and knowledge of such an entity is important because it has important implications during carotid and trans-sphenoidal surgery and interventional stenting.

Full Article

OA Westerland, CJ Burke, T Sabharwal

Hong Kong J Radiol 2012;15:174-6

This report is of an unusual case of chronic abdominal pain in a 36-year-old man without past medical history. He complained of abdominal pain and weight loss of 30 kg over one year.

Full Article

V Lau, G Leung, R Lee, WM Lui

Hong Kong J Radiol 2012;15:170-3

Carotid-cavernous fistula is a well-established neurological disease that typically presents with proptosis, chemosis, ophthalmic bruit, and cranial nerve palsies.

Full Article

S Lloyd, A Sahu, R Riordan

Hong Kong J Radiol 2012;15:162-9

Objective: We aimed to establish whether there was a correlation between the diagnostic efficacy of computed tomographic pulmonary angiography for pulmonary embolism and the degree of pulmonary arterial enhancement measured objectively by main pulmonary artery attenuation level.

Full Article

HA Al-Balas, YH Shaib

Hong Kong J Radiol 2012;15:155-61

Objective: To describe the clinical and imaging features of the gastrointestinal stromal tumours and the role of computed tomography in predicting malignant potential.

Full Article

SM Lee, CK Lee, KS Yu, KC Ngan

Hong Kong J Radiol 2012;15:149-54

Objective: In this study, we evaluate the advantages of volumetric modulated arc therapy (VMAT) compared to conventional 3-dimensional conformal radiotherapy (3DCRT) with respect to dosimetry, verification, and treatment efficiency.

Full Article

WCS Chan, WL Poon, WS Wan

Hong Kong J Radiol 2012;15:143-8

Objective: The fact that calcification in the coronary artery is associated with ischaemic heart disease is well-known. Calcification is also very common in the transcranial and intracranial segments of internal carotid arteries.

Full Article

DLW Kwong

Hong Kong J Radiol 2012;15:136-42

Improvements in cancer treatment have led to increasing numbers of cancer survivors who may desire to have children. Both chemotherapy and radiotherapy can have long-term consequences on reproductive function.

Full Article

CY Chu, MF Wong, KC Leung, P Tsui, WK Chau

Hong Kong J Radiol 2012;15:113-8

Although metastatic tumours in the greater omentum are common, primary omental neoplasms are rare. Primary omental leiomyosarcoma is a rare disease with only a limited number of reports in the literature.

Full Article

A Chan

Hong Kong J Radiol 2012;15:131

Full Article

KW Leung, KH Fung

Hong Kong J Radiol 2012;15:125-30

In this pictorial essay, computed tomographic angiography findings in various cerebrovascular diseases that lead to spontaneous intracranial haemorrhage are illustrated.

Full Article

WL Yu, KSS Bhatia, K Wang

Hong Kong J Radiol 2012;15:119-24

Hypertrophic pachymeningitis, characterised by focal or diffuse thickening of the dura mater, is an uncommon condition. An increasing number of cases have been reported for its association with underlying autoimmune and connective tissue diseases.

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KYK Tang, CY Chu, KW Leung, JSF Shum, SSW Lo, CS Cheng, JLS Khoo

Hong Kong J Radiol 2012;15:110-2

Hirayama’s disease is a rare form of cervical myelopathy resulting in juvenile muscular atrophy of the upper limb.

Full Article

SNA Rashid, SA Hamid, SM Saini, GC Gan

Hong Kong J Radiol 2012;15:105-9

Carcinoid tumours of the pancreas are extremely rare. We report a very unusual case of carcinoid tumour of the pancreas with extensive regional lymph node involvement and no liver metastasis in a patient with worsening jaundice;

Full Article

V Lau, R Lee, WK Tso, WM Lui, S Lee

Hong Kong J Radiol 2012;15:101-4

Cerebral venous sinus thrombosis is a rare, but potentially life-threatening, disease accounting for less than 1% of stroke.

Full Article

KL Siu, FNY Sin, WP Chu, AXN Lo, KFJ Ma

Hong Kong J Radiol 2012;15:96-100

Objective: To retrospectively compare the complication rates of radiologically and surgically placed central venous catheters in a single tertiary centre over a four-year period.

Full Article

DD Rasalkar, RKL Lee, V Lee, A Leung, FWT Cheng, WWM Lam, CK Li, WCW Chu

Hong Kong J Radiol 2012;15:88-95

Objective: Myocardial haemosiderosis leading to cardiac dysfunction is a major complication in transfusiondependent thalassaemia.

Full Article

RKL Lee, K Wang, AWH Ng, CB Ip, JSY Lam, EHY Yuen, TCY Cheung, YYP Lee, TM Chan

Hong Kong J Radiol 2012;15:80-7

Objective: To determine the role of whole-body fluorodeoxyglucose positron emission tomography–computed tomography (FDG PET-CT) in the diagnosis and work-up of suspected or confirmed brain metastasis and to assess its impact on clinical management and outcomes.

Full Article

TY Kew, M Zahiah, SZ Syed Zulkifli, A Noraidatulakma, S Hatta

Hong Kong J Radiol 2012;15:71-9

Objective: Radiological investigations that use ionising radiation pose well-established risks to patients. Doses per patient from computed tomographic examinations constitute large radiation burdens, particularly with recurrent imaging and multidetector machines.

Full Article

PY Fung, CY Lui, YC Chu, CW Wong, HS Lam

Hong Kong J Radiol 2012;15:64-70

Objective: To evaluate patient outcomes after screening mammograms graded as “probably benign”, and specifically to determine the corresponding frequency of false-negative diagnoses.

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R Botchu, M Heir, G Retnasingham, P Burli

Hong Kong J Radiol 2012;15:57-8

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JWC Wai, JLF Chiu, TS To, KH Lai, CW Siu, KY Kwok, SCH Chan

Hong Kong J Radiol 2012;15:50-6

Breast cancer is the most common malignancy and the third most common cause of cancer death in Hong Kong women. Ultrasound imaging and contrast-enhanced magnetic resonance imaging are useful adjuncts to mammography.

Full Article

SNA Rashid, SA Hamid, SM Saini, R Muridan

Hong Kong J Radiol 2012;15:47-9

Foreign body inhalation in children is not uncommon. Although the sensitivity of frontal chest radiography for radiopaque foreign bodies is high (84-95%), an inhaled radiolucent foreign body in the bronchus can still be missed.

Full Article

MYS Soo, T Ng

Hong Kong J Radiol 2012;15:41-6

Paediatric cranial meningiomas are uncommon, constituting 4% of all intracranial tumours in early childhood to adolescent. They frequently show cellular atypia and anaplasia.

Full Article

PKT Hui, JYL Tung, MKT To, W Chow, WWM Lam, MT Chau

Hong Kong J Radiol 2012;15:36-40

Osteogenesis imperfecta type V is a rare subtype of osteogenesis imperfecta with unique clinical, radiological, and histological features.

Full Article

HC Cheng, RKC Ngan, KH Au

Hong Kong J Radiol 2012;15:29-35

Objective: To retrospectively study the clinical characteristics and treatment outcomes in patients with locoregionally advanced head and neck cancer treated concurrently with cetuximab and radiotherapy.

Full Article

JWC Wai, JLF Chiu, TS To, KH Lai, HHC Tsang, CW Siu, SCH Chan

Hong Kong J Radiol 2012;15:22-8

Objective: To retrospectively assess the sensitivity and specificity of ultrasound-guided fine-needle aspiration of axillary lymph nodes for preoperative breast cancer staging, using histological findings as a reference standard.

Full Article

JHY Leung, KY Lai, MK Shing, CK Li, WCW Chu

Hong Kong J Radiol 2012;15:15-21

Objective: Non-Hodgkin’s lymphoma is the most common tumour causing the superior mediastinal syndrome and superior vena caval obstruction in paediatric patients.