Hong Kong Journal of Radiology

Vol. 13 No. 3, 2010

ORIGINAL ARTICLES

Urgent Magnetic Resonance Imaging for Malignant Spinal Cord Compression

SSM Lo, KY Kwok, CW Siu, WK Wong, CM Chan, KW Tang, YL Cheung, SCH Chan

Hong Kong J Radiol 2010;13:111-9

Objectives: Malignant spinal cord compression is an uncommon complication in patients with cancer. It is frequently diagnosed late and causes irreversible damage to spinal cord. Malignant spinal cord compression is an oncological emergency, requiring a prompt

Cancer Risk of Focal Thyroid Incidentaloma in Patients Undergoing 18F-fluorodeoxyglucose Positron Emission Tomography–Computed Tomography Studies: Local Experience in a Single Centre

Full Article

BT Kung, CP Wong, KS Chu, TK AuYong, CM Tong

Hong Kong J Radiol 2010;13:120-4

Objectives: To determine the prevalence of focal thyroid fluorodeoxyglucose positron emission tomography– computed tomography incidentaloma in our locality and evaluate the rate of malignancy.

Comparison of RapidArc and Static Gantry Intensity-modulated Radiotherapy for Nasopharyngeal Carcinoma

Full Article

WK Cheung, KH Lee, HC Cheng, CH Cheung, CL Chan, KC Ngan

Hong Kong J Radiol 2010;13:125-32

Objective: RapidArc (Varian Medical Systems, Palo Alto, CA) is a new volumetric-modulated arc radiotherapy technique with continuous modulation of gantry speed, dose rate, and multileaf collimator shape. Taking advantages of dose painting capabilities

CASE REPORTS

Two Children with Pancreatoblastomas

Full Article

DD Rasalkar, BK Paunipagar, WCW Chu

Hong Kong J Radiol 2010;13:133-6

Pancreatoblastoma is a rare primary pancreatic neoplasm occurring in children. This report describes two paediatric patients with pancreatoblastomas with characteristic sonographic and computed tomographic features. Characteristic clinical and imaging features,

Immunoglobulin G4–related Sclerosing Disease of the Breast

Full Article

KY Kwok, HS Fung, LF Chiu, KM Chu, JCW Siu, KH Lai, TS To, SCH Chan

Hong Kong J Radiol 2010;13:137-9

Immunoglobulin G4–related sclerosing disease is a recently advocated disease entity. Though initially described as giving rise to autoimmune pancreatitis, this condition was subsequently found to involve extra-pancreatic tissues as well. In this report, we present a

Brachial Artery Transection Following Closed Elbow Dislocation Without Accompanying Fracture

Full Article

YY Cheuk, KWM Yang

Hong Kong J Radiol 2010;13:140-3

Simple elbow dislocation is one of the most common joint dislocations and has a good prognosis. Complete transection of the brachial artery rarely ensues without an associated fracture. This case report describes this rare complication and its imaging findings in a

Mycotic Aneurysm of an Intercostal Artery: a Rare Cause of Haemothorax

Full Article

WP Chu, LF Cheng

Hong Kong J Radiol 2010;13:144-8

Causes of haemothorax include trauma, pulmonary or pleural neoplasm, pulmonary infarction and coagulopathy. Mycotic aneurysm of an intercostal artery is a rare cause of haemothorax. We report on a 60-year-old man who had a mycotic aneurysm of the right 12th

Imaging Characteristics of Reversible Cerebral Vasoconstriction Syndrome: an Under-recognised Cause of Severe Headache

Full Article

RKL Lee, DYW Siu, AT Ahuja

Hong Kong J Radiol 2010;13:149-53

Reversible cerebral vasoconstriction syndrome is an under-diagnosed disease that every radiologist should know about. This report demonstrates two female patients who presented with severe headache with subsequent angiographic findings of ‘bead and string’

Left-sided Torsion of the Greater Omentum

Full Article

EMF Wong, SYJ Ka, WK Chau, P Tsui

Hong Kong J Radiol 2010;13:154-7

Torsion of the greater omentum is rare and is known to occur more often on the right side. We present an even rarer case of left-sided omental torsion, which was proven surgically and pathologically. Computed tomography showed the characteristic Whirl sign, which

Pancreatic Neoplasm in a Patient with Situs Inversus Totalis

Full Article

BK Paunipagar, DD Rasalkar, P Lonikar, WCW Chu

Hong Kong J Radiol 2010;13:158-60

We reported on a patient with a cystic neoplasm of the pancreas with situs inversus totalis that showed the typical imaging features of serous cystadenoma in an anatomically inverted pancreas. The possible coexistence of malformations of transposed organs and

PICTORIAL ESSAY

Institutional Experience of Magnetic Resonance Urography in Children: a Pictorial Essay with Literature Review

Full Article

DD Rasalkar, WCW Chu

Hong Kong J Radiol 2010;13:161-70

Conventional imaging studies such as ultrasonography, intravenous urography, micturating cystourethrography, and radionuclide scintigraphy are the basic investigations used in daily clinical practice for the diagnosis and monitoring of obstructive uropathy in

Table of Contents

Urgent Magnetic Resonance Imaging for Malignant Spinal Cord Compression

Cancer Risk of Focal Thyroid Incidentaloma in Patients Undergoing 18F-fluorodeoxyglucose Positron Emission Tomography–Computed Tomography Studies: Local Experience in a Single Centre

Comparison of RapidArc and Static Gantry Intensity-modulated Radiotherapy for Nasopharyngeal Carcinoma

Two Children with Pancreatoblastomas

Immunoglobulin G4–related Sclerosing Disease of the Breast

Brachial Artery Transection Following Closed Elbow Dislocation Without Accompanying Fracture

Mycotic Aneurysm of an Intercostal Artery: a Rare Cause of Haemothorax

Imaging Characteristics of Reversible Cerebral Vasoconstriction Syndrome: an Under-recognised Cause of Severe Headache

Left-sided Torsion of the Greater Omentum

Pancreatic Neoplasm in a Patient with Situs Inversus Totalis

Institutional Experience of Magnetic Resonance Urography in Children: a Pictorial Essay with Literature Review

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