Vol. 18 No. 3, 2015

Table of Contents


ORIGINAL ARTICLES

Radiotherapy for Nasopharyngeal Carcinoma as a Risk Factor for Extracranial Carotid Stenosis. Is It Also a Risk Factor for Intracranial Arteries? A Retrospective Case-control Study

Full Article

PY Chu, JPK Tsang, WY Wong, WCS Chan, WL Poon, MK Yuen, YC Wong

Hong Kong J Radiol 2015;18:180-6

DOI: 10.12809/hkjr1514293

Objective: Carotid duplex ultrasound has revealed that radiotherapy is associated with stenosis of the extracranial carotid arteries in patients with nasopharyngeal carcinoma (NPC). The objective of the study was to

N-Butyl Cyanoacrylate Embolisation for Acute Arterial Haemorrhage and Pseudoaneurysms in Extracranial Locations

Full Article

KK Cheng, SCH Lam, DHY Cho, S Lau

Hong Kong J Radiol 2015;18:187-96

DOI: 10.12809/hkjr1514290

Objective: To review the technical feasibility and effectiveness of N-butyl cyanoacrylate (NBCA; Histoacryl, B. Braun, Melsungen, Germany) embolisation to control acute arterial haemorrhage and embolisation of pseudoaneurysms in extracranial locations.

Infection Rate of Hickman Catheters Versus Peripherally Inserted Central Venous Catheters in Oncology Patients

Full Article

WY Wong, WCS Chan, SK Ip, WK Ng, CX Chan, HM Ho, KL Siu, CB Tan

Hong Kong J Radiol 2015;18:197-204

DOI: 10.12809/hkjr1514289

Objective: To compare the incidence of catheter-related infection in the bloodstream and non-infectious complication rate of Hickman catheter and peripherally inserted central venous catheter (PICC) in oncology patients.

Magnetic Resonance Imaging Features and Assessment of Local Extent of Localised Giant Cell Tumour of the Tendon Sheath in Fingers

Full Article

PY Chu, JPK Tsang, WY Wong, WCS Chan, KW Ng, MK Yuen

Hong Kong J Radiol 2015;18:205-14

DOI: 10.12809/hkjr1515296

Objectives: To determine the magnetic resonance (MR) imaging features of localised giant cell tumour of the tendon sheath in fingers and to evaluate the preoperative diagnostic performance of MR imaging in assessment of the local tumour extent.

CASE REPORTS

Incarcerated Right Diaphragmatic Hernia: a Rare Sequela of Open Radiofrequency Ablation for Hepatocellular Carcinoma

Full Article

TF Lee, CY Chu, CS Cheng, JLS Khoo

Hong Kong J Radiol 2015;18:215-20

DOI: 10.12809/hkjr1514255

Hepatocellular carcinoma is a common malignancy in this locality due to the high prevalence of hepatitis B carriers. Radiofrequency ablation is frequently used for treatment of hepatocellular carcinoma. Thermal injury

Transarterial Treatment of Traumatic Carotid Cavernous Sinus Fistula with Carotid Artery Dissection and Ruptured Pseudoaneurysm Using Flow Diverter and Detachable Coils

Full Article

JPK Chan, SMS Lo, CM Chan, WL Poon, YL Cheung, KW Shek, KW Tang, PH Wong

Hong Kong J Radiol 2015;18:221-6

DOI: 10.12809/hkjr1514263

Direct carotid cavernous sinus fistula is a common delayed complication of head trauma, particularly in patients with skull base fractures. When carotid cavernous sinus fistula occurs together with

Spontaneous Oesophageal Intramural Haematoma: an Uncommon Condition in Two Patients

Full Article

KK Cheng, S Lau

Hong Kong J Radiol 2015;18:227-32

DOI: 10.12809/hkjr1514257

Oesophageal intramural haematoma is an uncommon form of oesophageal injury. Oesophageal intramural haematoma can occur spontaneously without any preceding events. This report is of two patients who presented with haemoptysis and

Vertebrobasilar Dolichoectasia Complicated with Arterial Dissection and Acute Posterior Circulation Infarctions

Full Article

HHC Tsang, SSM Lo, WL Poon, KW Tang

Hong Kong J Radiol 2015;18:233-8

DOI: 10.12809/hkjr1514259

Vertebrobasilar dolichoectasia is defined as elongation, dilatation, and tortuosity of the basilar and vertebral arteries. We describe two patients with vertebrobasilar dolichoectasia, one who presented with acute posterior circulation infarct and

Extensive Soft Tissue Necrosis Due to Extravasation of Computed Tomography Contrast Medium

Full Article

JH Kwon, JS Kim, SR Eo

Hong Kong J Radiol 2015;18:240-2

DOI: 10.12809/hkjr1515315

Extravasation of contrast medium is a complication of contrast-enhanced computed tomography studies. Clinical presentations include minimal swelling, erythema and, when the extravasated volume is large, ulceration, compartment syndrome, and skin necrosis. Here we present an 80-year-old woman with

PICTORIAL ESSAY

Magnetic Resonance Imaging of Fistula-in-ano

Full Article

CYH Chan, KYK Wong, SKY Kwok, WK Wong, KW Tang

Hong Kong J Radiol 2015;18:243-52

DOI: 10.12809/hkjr1515300

Fistula-in-ano is a highly devastating disease due to its high morbidity. In order to achieve excellent surgical outcome, preoperative evaluations are essential. Magnetic resonance imaging (MRI) allows high spatial resolution images and is highly accurate in delineating the type and extent of a perianal fistula.

EPUB-ONLY ARTICLES

Concomitant Unilateral Hirayama Disease and Contralateral Disc Protrusion of the Cervical Spine

Full Article

WCS Chan, JPK Tsang, MK Yuen

Hong Kong J Radiol 2015;18:e7-11

DOI: 10.12809/hkjr1514285

Hirayama disease is a type of cervical myelopathy affecting young men and causing wasting of the small muscles of the hand. The underlying pathophysiology is thought to be due to disproportionate growth of the vertebral column and the spinal canal resulting in a tight dural sac. The presentation of Hirayama disease is

Primary Pericardial Osteosarcoma in an Elderly Patient

Full Article

KH Tsang, TY Cheung, WSW Chan, MK Chan

Hong Kong J Radiol 2015;18:e12-7

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