Journal

H Ravikumar, S Govil, A Kalyanpur

Hong Kong J Radiol 2006;9:41-3

Left aortic arch with an aberrant right subclavian artery is the most common anomaly of the aortic arch. Other rare anomalies include the occurrence of a right aortic arch with an aberrant left subclavian artery that has a diverticulum

MKW Yang, JYH Hui, WC Fan, JCS Chan

Hong Kong J Radiol 2006;9:36-40

This report is of 2 patients with unstable spontaneous extraperitoneal haemorrhage secondary to anticoagulant therapy. Active contrast extravasations were demonstrated on spiral computed tomography and angiograms, which is possibly a predictive factor for failure of conservative treatment. One patient had

MA Taher, V Warbey, JR Buscombe, AJW Hilson

Hong Kong J Radiol 2006;9:33-5

A patient with follicular lymphoma underwent computed tomography, which showed enlarged lymph nodes and a small soft tissue mass in front of the lower part of the trachea raising the suspicion of thyroid or parathyroid adenoma. A dual-phase single-photon emission

WH Kwan, L Chu, WH Yeung, JLS Khoo

Hong Kong J Radiol 2006;9:28-32

Solitary fibrous tumour of the pleura is an uncommon primary pleural neoplasm. Awareness about imaging findings is important for early detection. This report is of 2 patients with solitary fibrous tumour of the pleura in atypical locations. The first patient

JJ Kasthoori, ML Wastie

Hong Kong J Radiol 2006;9:24-7

Chondroblastoma of the vertebra is a rare condition. Only 26 cases have been reported in the literature; almost all of them involved the anterior and posterior component, with the exception of 1, which involved only the anterior element. There has not

TK Tsang, CM Chan, MK Chan, AKH Lai, WK Wong

Hong Kong J Radiol 2006;9:21-3

Renal arteriovenous malformations are abnormal communications between the intrarenal arterial and venous systems. These malformations are either congenital or acquired (often by iatrogenic means). Renal arteriovenous malformations are usually identified during the evaluation of gross haematuria. Treatment can be tailored

CC Law, YT Fu, TM Chan

Hong Kong J Radiol 2006;9:3-14

Total mesorectal excision has recently replaced conventional blunt dissection as the standard treatment for rectal cancer, based on evidence indicating superior treatment outcomes achieved by this procedure. The best known and most emphasised aspect of this treatment is improved pelvic

Full Article

HKAK Sadana, TA Lim

Hong Kong J Radiol 2010;12:190-3

A case of symptomatic pontine capillary telangiectasia detected by susceptibility-weighted imaging is reported. The lesion was inconspicuous on diffusion-weighted imaging. To our knowledge there is only limited literature emphasising the diagnostic utility of

Full Article

M George, S Nadarajah, CL Ong

Hong Kong J Radiol 2010;12:186-9

Unilateral twin ectopic pregnancy is a rare condition and only about 100 cases have been reported in the literature. In this article, we present a case of twin ectopic pregnancy in the left fallopian tube. A 38-year-old woman who had in-vitro fertilisation came to our

Full Article

PD Chan, K Rahmat, N Ramli, KA Kadir

Hong Kong J Radiol 2010;12:182-5

The presence of moyamoya disease with a brain arteriovenous malformation is extremely rare. The high incidence of morbidity in such cases suggests that this combination of features confers an ominous outlook, whilst the association between these two entities remains

Full Article

DD Rasalkar, WCW Chu, BK Paunipagar

Hong Kong J Radiol 2010;12:178-81

Coats’ disease and retinoblastoma are the two common types of orbital pathology in young children. These two conditions are prognostically different but have overlapping imaging features. We present a case of proven Coats’ disease to illustrate the specific

Full Article

HT Tam, WH Ng, KC Wong, JF Griffith

Hong Kong J Radiol 2010;12:174-7

A 15-year-old boy presented with a 6-month history of painful wrist swelling. Radiographs, computed tomography, and magnetic resonance imaging revealed a heavily calcified extra-osseous soft tissue mass considered to be a benign chondroma. In view of the

Full Article

KY Kwok, SSM Lo, TK Tsang, TW Fan, TL Kwan

Hong Kong J Radiol 2010;12:170-3

Congenital interruption of the pulmonary artery is a rare condition. We present a case of isolated interruption of the right pulmonary artery in a young girl and a case of interruption of the left pulmonary artery associated with Tetralogy of Fallot in an adult male. The

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U Pua

Hong Kong J Radiol 2010;12:166-9

We describe a patient with inadvertent perithrombus deployment of an inferior vena cava filter and illustrate the use of the double-filter technique in affording pulmonary embolism protection during retrieval of the malpositioned filter.

Full Article

DD Rasalkar, WCW Chu, DYW Siu, BK Paunipagar, HT Wong, XL Zhu

Hong Kong J Radiol 2010;12:162-5

A 14-month-old boy underwent suboccipital craniotomy for cerebellar tumour. Magnetic resonance screening of the spine a day after the craniotomy revealed striking spinal subdural enhancement in the thoraco-lumbar region. The differential diagnosis included

Full Article

TJ Galloway, RJ Amdur, CG Morris, AR Yeung, WM Mendenhall

Hong Kong J Radiol 2010;12:154-61

Objective: To determine if the use of more complex technology in the form of 3-dimensional treatment planning improved outcomes after primary radiotherapy for early-stage cervical cancer.

Full Article

JYH Hui, AXN Lo, AWS Au Yeung, MKW Yang, SWW Chan, SH Lam, NWF Yuen, JCS Chan

Hong Kong J Radiol 2010;12:147-53

Objective: To evaluate potential benefits and patient acceptance of the one-stop breast imaging service in a regional hospital in Hong Kong.

Methods: A total of 87 patients referred from the new-case surgical breast clinic for one-stop breast imaging were prospectively

Full Article

ESK Ma, CLP Wong

Hong Kong J Radiol 2010;13(Suppl):S42-50

Cancer biomarkers have evolved from assays based on proteins, hormones and enzymes to molecular assays based on DNA or RNA. These molecular cancer biomarkers have broad clinical applications in disease screening, diagnosis, classification, offering a

Full Article

RKC Ngan

Hong Kong J Radiol 2010;13(Suppl):S33-41

The GOG111 and OV-10 were pivotal studies published in 1996 and 2000 respectively which established paclitaxel / cisplatin as standard postoperative adjuvant chemotherapy for advanced epithelial ovarian cancers. A second major breakthrough in the ensuing

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J Tsang

Hong Kong J Radiol 2010;13(Suppl):S29-32

Glioblastoma multiforme is a highly invasive and aggressive brain tumour. It is the most commonly seen glioma with fast-growing features, being a devastating disease with no clear causation and no means of early detection. Less than 10% of glioblastoma

Full Article

W Yeo

Hong Kong J Radiol 2010;13(Suppl):S25-8

Gastric cancer is the fourth commonest cancer worldwide, with nearly a million new patients being diagnosed with this disease per year, of whom 55% are in East Asia. Regrettably, despite the availability of potentially curative resection, between 50 and 90% of

Full Article

E Tse, YL Kwong

Hong Kong J Radiol 2010;13(Suppl):S22-4

Malignant lymphoma is a common neoplasm and some are potentially curable if appropriate therapy is given. The use of the monoclonal anti-CD20 antibody rituximab in the management of follicular lymphoma has improved the outcome of patients.

Full Article

VHF Lee

Hong Kong J Radiol 2010;13(Suppl):S16-21

Systemic chemotherapy has been the standard treatment for advanced / metastatic non–small-cell lung cancer, particularly in those who do not harbour an epidermal growth factor receptor mutation. In the last decade, there was no established evidence to justify

Full Article

ML Zhuo, J Wang

Hong Kong J Radiol 2010;13(Suppl):S10-5

The epidermal growth factor receptor tyrosine kinase inhibitors, including gefitinib and erlotinib, have been proven to provide significant benefit in progression-free survival and overall survival in patients who have received at least one line of prior

Full Article

Hong Kong J Radiol 2010;13(Suppl):S3-9

J Cassidy

Colorectal cancer is one of the most frequently diagnosed malignancies in the world. In spite of recent advances in chemotherapy, the prognosis for patients with metastatic colorectal cancer remains poor. The last decade of ground-breaking research on molecular

Full Article

DD Rasalkar, C Tong, FWT Cheng, CK Li, BK Paunipagar, WCW Chu

Hong Kong J Radiol 2010;13:46-51

Objective: To review the intracranial manifestations and role of imaging in Langerhans’ cell histiocytosis.

Methods: This is a retrospective institutional review of clinical data and radiological findings of Langerhans’ cell histiocytosis patients

Full Article

HHL Chau, APY Tang, GM Tse, TKF Ma, SK Chan

Hong Kong J Radiol 2010;13:43-5

A case of mammary schistosomiasis revealed by breast microcalcifications detected by mammography is reported. Although schistosomiasis can involve almost any organ, involvement of the breast is very rare. This case was diagnosed by stereotactic-guided

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J Joseph, H Narayanan, H Babu, A Praveen

Hong Kong J Radiol 2010;13:40-2

We report a rare manifestation of tuberculosis of the prostate and seminal vesicles without involvement of the rest of the genito-urinary tract. A 27-year-old male initially presented with clinical and laboratory evidence of pulmonary tuberculosis. Two weeks later, the

Full Article

HA Hassan, SA Hamid

Hong Kong J Radiol 2010;13:36-9

Metastatic follicular thyroid carcinoma presenting with spinal cord compression is rare. We describe a 69-yearold woman who initially presented with gradual onset of bilateral lower limb weakness and numbness for 3 months. Her magnetic resonance image revealed

Full Article

RJ Amdur, PR Sandow, A Yeung, WM Mendenhall

Hong Kong J Radiol 2010;13:32-5

Several of our patients developed patches of melanotic hyperpigmentation (black spots) in the mucosa of the tongue during radiotherapy for brain tumours. The purpose of this report was to describe a representative case with a literature review. A