Journal

Prevalence of Non-calcified Coronary Plaque on 64-Slice Computed Tomography Coronary Angiography in Patients with Zero and Low Coronary Artery Calcium Scores

Full Article

CWS Wan, A Li, OC Leung, YC Wong

Hong Kong J Radiol 2015;18:22-6

DOI: 10.12809/hkjr1414271

Objective: To study the prevalence of non-calcified plaque causing significant coronary artery stenosis in patients with zero or low coronary artery calcium scores in a regional hospital in Hong Kong.

Can Intraoperative Specimen Radiograph Predict Resection Margin Status for Radioguided Occult Lesion Localisation Lumpectomy for Ductal Carcinoma In Situ Presenting with Microcalcifications?

Full Article

BST Leung, AYH Wan, AKY Au, SSW Lo, WWC Wong, JLS Khoo

Hong Kong J Radiol 2015;18:11-21

DOI: 10.12809/hkjr1414265

Objective: To determine the accuracy of specimen radiograph in predicting ductal carcinoma in situ resection margin status during radioguided occult lesion localisation.

Semi-quantification of Hepatic Steatosis in Patients with Chronic Liver Disease Using the Multiecho Two-Point Dixon Technique with Histopathology as the Reference Standard

Full Article

P Korpraphong, K Somsap, P Saiviroonporn, A Pongpaibul, P Charatcharoenwitthaya

Hong Kong J Radiol 2015;18:4-10

DOI: 10.12809/hkjr1414261

Objectives: To determine the utility of the multiecho two-point Dixon technique in the semi-quantification of hepatic fat in patients with chronic liver disease and compare these results with the histopathology outcomes.

Haemorrhagic Complication of Mandibular Metastasis of Hepatocellular Carcinoma Controlled by Endovascular Embolisation

Full Article

BKH Lee, CY Chu, KW Leung, JLS Khoo

Hong Kong J Radiol 2014;17:e15-9

DOI: 10.12809/hkjr1414232

Mandibular metastasis in hepatocellular carcinoma is rarely seen. Since the first case reported in 1957, only about 70 cases have been reported. To the best of our knowledge, only two cases presenting with acute

Insertion of Inferior Vena Cava Filter Prior to Removal of Prolonged Indwelling Extracorporeal Membrane Oxygenation Catheters

Full Article

YS Luk, KH Fung, KW Leung

Hong Kong J Radiol 2014;17:293-6

DOI: 10.12809/hkjr1414241

Venous thromboembolism and pulmonary embolism are potentially fatal complications that could occur after extracorporeal membrane oxygenation (ECMO). Prophylactic insertion of inferior vena cava filters prior

Aortic Root Anatomy and Diagnosis of Pathological Conditions by Multidetector Computed Tomography

Full Article

WK Tsang, A Li, YC Wong

Hong Kong J Radiol 2014;17:285-92

DOI: 10.12809/hkjr1413197

Multidetector (MD) cardiac computed tomography (CT) imaging has emerging use in the assessment of the anatomy and function of the heart. Apart from its established role in the evaluation of the coronary arteries,

Posterior Cranial Fossa Neurenteric Cyst with Malignant Transformation

Full Article

JB Chiang, SSM Lo, LC Ho, CM Chan, WL Poon, KW Tang, YL Cheung

Hong Kong J Radiol 2014;17:281-4

DOI: 10.12809/hkjr1413223

Neurenteric cyst is a notably rare epithelium-lined cystic lesion found in the central nervous system. Malignant transformation of the neurenteric cyst is infrequent, with only six cases reported in the English literature.

Computed Tomography Detection of Schistosomal Appendicitis

Full Article

DCW Tang, THT Sung, MW Lam, SCS Cheng

Hong Kong J Radiol 2014;17:277-80

DOI: 10.12809/hkjr1414249

Schistosomiasis is the second most prevalent parasitic disease worldwide, which is rarely reported in developed countries like Hong Kong. We report a case of schistosomal appendicitis in a 79-year-old male presenting

Inflammatory Fibroid Polyps Causing Intussusception in Adult Patients: Two Case Reports and Review of Literature Focusing on Radiological Features

Full Article

CY Lee, MK Yuen

Hong Kong J Radiol 2014;17:271-6

DOI: 10.12809/hkjr1413216

Inflammatory fibroid polyp is a rare benign lesion originating from the submucosa of the gastrointestinal tract. Inflammatory fibroid polyp in the small bowel commonly presents with intussusception and bowel obstruction.

Liver Abscess Caused by a Foreign Body: Management by Minimally Invasive Ultrasound-guided Drainage

Full Article

VWT Chan, WK Wong, SKY Kwok, KW Tang

Hong Kong J Radiol 2014;17:267-70

DOI: 10.12809/hkjr1413226

Complications of foreign body ingestion are infrequently encountered in clinical practice. Less than 100 cases of liver abscess formed secondary to foreign body penetration of the stomach have been reported in

Five-year Treatment Outcomes for Stage II to III Rectal Cancer in a Single Cancer Institution

Full Article

KC Lee, ATY Chang, ALY Law, LK Chan, HYS Cheung, WT Ng

Hong Kong J Radiol 2014;17:255-66

DOI: 10.12809/hkjr1414235

Objective: This study aimed to find out the survival and recurrence rates following curative treatments for stage II and III rectal adenocarcinoma.

Methods: Between 1 January 2002 and 31 December 2007,

Percutaneous Endovascular Intervention in Transplant Renal Artery Stenosis: Long-term Outcome in the Chinese Population

Full Article

PPY Lui, PSF Lee, HKY Tam, RKL Lee, LWY Chan, JHY Leung, CM Chu

Hong Kong J Radiol 2014;17:247-54

DOI: 10.12809/hkjr1414233

Objective: To assess the technical success and long-term outcome in Chinese patients with transplant renal artery stenosis (TRAS) after percutaneous transluminal angioplasty (PTA), with or without stenting.

Methods: A retrospective review of 44 consecutive PTA (with or without stenting) in 35 patients

How to Differentiate Inactive from Active Disease in Patients of Primary Multidrug-resistant Tuberculosis with Persistent Cavity after Anti-tuberculous Therapy

Full Article

SH Kim, JH Min, JY Lee

Hong Kong J Radiol 2014;17:240-6

DOI: 10.12809/hkjr1413228

Objective: To determine how to differentiate inactive from active disease in patients with primary multidrug-resistant tuberculosis who have a persistent cavity after completing treatment.

Methods: We evaluated computed tomography findings to determine activity of

Diagnosis of Acute Bowel Ischaemia: Which Computed Tomography Finding Should We Trust?

Full Article

VYK To, WL Poon, CY Lee, WS Wan

Hong Kong J Radiol 2014;17:234-9

DOI: 10.12809/hkjr1414240

Objective: To determine which computed tomography (CT) findings correlate most with acute bowel ischaemia.

Methods: This cross-sectional study included patients attending the Tuen Mun Hospital, Hong Kong between July 2005 and July 2011 who fulfilled one of the following criteria:

Efficacy of Acrylamido Polyvinyl Alcohol Hydrogel Microspheres for Uterine Artery Embolisation for Leiomyoma

Full Article

WM Wong, FSK Chu, WK Tso

Hong Kong J Radiol 2014;17:228-33

DOI: 10.12809/hkjr1414229

Objective: To evaluate the efficacy of acrylamido polyvinyl alcohol hydrogel microspheres (A-PVAM) for uterine artery embolisation for leiomyoma in our centre in Hong Kong.

Methods: This retrospective study

A Rare Presentation of Low-grade Neuroendocrine Tumour

Full Article

R Koul, WK Dolata, A Dubey

Hong Kong J Radiol 2014;17:e9-14

DOI: 10.12809/hkjr1413191

Neuroendocrine tumours are believed to arise from various cells of the neuroendocrine system. Neuroendocrine cells are present not only in endocrine glands throughout the body that produce various hormones, but also

What to Do and What Not to Do in Radiology Viva Voce

Full Article

SN Keshava, SM Prabhu, A Irodi

Hong Kong J Radiol 2014;17:218-22

DOI: 10.12809/hkjr1413217

Examinations are necessary rites of passage before a postgraduate radiology student becomes a full-fledged radiologist. Radiology viva voce examination requires candidates to possess thorough knowledge of the subject as well as

A Pictorial Review of Immunoglobulin G4-related Sclerosing Disease

Full Article

SM Yu, TKL Loke, JTH Yeung, WH Luk, LKM Wong

Hong Kong J Radiol 2014;17:208-17

DOI: 10.12809/hkjr1413200

Immunoglobulin (Ig) G4-related sclerosing disease is a relatively new disease entity. Any organ system can be affected. Therefore, there is a wide range of possible clinical manifestations. Diagnosis is often difficult

Inoperable Adenoid Cystic Carcinoma of Trachea: Complete Remission after Multi-modality Treatment

Full Article

WL Chan, VHF Lee, SWK Siu, TW Leung

Hong Kong J Radiol 2014;17:203-7

DOI: 10.12809/hkjr1413202

Adenoid cystic carcinoma is a malignant tumour commonly originating from the salivary glands, but can rarely arise from the upper airway and be life threatening when the central airway is

Fat within Hepatic Hydatid Cysts: a Report of Three Cases

Full Article

AS Tandon, D Saxena

Hong Kong J Radiol 2014;17:198-202

DOI: 10.12809/hkjr1413160

Hydatidosis is a zoonosis caused by the larva of a tapeworm, Echinococcus granulosus. The liver is the most commonly affected solid organ in which a cystic lesion with two layers

Intraspinal Primitive Neuroectodermal Tumour with Haemorrhage

Full Article

OC Leung, A Lo, KW Yang

Hong Kong J Radiol 2014;17:194-7

DOI: 10.12809/hkjr1412139

Intraspinal primitive neuroectodermal tumour is rare in the paediatric population and particularly rare when it is purely intramedullary. This report describes a 16-month-old girl who presented with acute

Haemoperitoneum Following Colonoscopy due to Tear of the Splenocolic Ligament: Revisit of the Splenic Ligaments

Full Article

VKP Fung, WK Chau, JSF Shum, WK Kan

Hong Kong J Radiol 2014;17:189-93

DOI: 10.12809/hkjr1413187

Splenic injury or splenic ligament tear following colonoscopy is a rare but potentially life-threatening complication. It is often overlooked due to its bizarre clinical presentation and non-specific imaging features.

Achievable Radiation Dose Reduction with Comparable Image Quality in Chest Radiography

Full Article

AYH Wan, MH Shih, BMH Lai, CY Chu, KYK Tang, RTM Chan, JLS Khoo

Hong Kong J Radiol 2014;17:182-8

DOI: 10.12809/hkjr1413198

Objective: Chest radiography is one of the commonest radiological investigations utilised in various medical specialties. Although the radiation dose of a single chest radiography to the patient is relatively low,

Use of NP-59 (131I-iodocholesterol) Scan as a Potential Alternative to Adrenal Venous Sampling in the Investigation of Primary Aldosteronism: a 5-Year Retrospective Study

Full Article

HF Chan, LF Cheng

Hong Kong J Radiol 2014;17:176-81

DOI: 10.12809/hkjr1414230

Objectives: To evaluate the usefulness of NP-59 (131I-iodocholesterol) scan as a non-invasive alternative to adrenal venous sampling in the diagnosis of Conn’s syndrome and lateralisation of aldosterone production.

Methods: The electronic patient

Clinical Outcomes of Carotid Angioplasty and Stenting for Radiation-associated Carotid Artery Stenosis

Full Article

CK Shiu, JPK Chan, KW Shek, PH Wong, SSM Lo, WL Poon, YL Cheung

Hong Kong J Radiol 2014;17:168-75

DOI: 10.12809/hkjr1414234

Objective: To investigate the procedural complication rate, restenosis rate, and clinical outcomes after carotid angioplasty and stenting in patients with radiation-associated carotid stenosis.

Methods: All patients with a history of head

Endobronchial Ultrasound-guided Transbronchial Needle Aspiration in Anthracosis of Mediastinal Lymph Nodes: Correlation with Computed Tomography Findings

Full Article

J Kirchner, M Broll, C Murach, P Müller, N Pomjanski, S Biesterfeld, D Liermann, R Kickuth

Hong Kong J Radiol 2014;17:162-7

DOI: 10.12809/hkjr1413225

Objectives: To demonstrate the computed tomography findings of endobronchial ultrasound-guided transbronchial needle aspiration–proven hilar and mediastinal lymph node anthracosis.

Methods: We retrospectively studied the computed tomography (multislice computed tomography, 64 x 0.75 mm slice

Stereotactic-guided Biopsy of Mammographic Microcalcifications: When Shall We Use Digital Add-on Unit Instead of Prone Table Machine?

Full Article

CY Lee, WS Wan, CY Lui

Hong Kong J Radiol 2014;17:152-61

DOI: 10.12809/hkjr1413224

Objective: To identify mammographic features for cases in which stereotactic-guided biopsy for breast microcalcifications failed on a prone table machine but were successful with a digital add-on unit.

Methods: Stereotactic-guided biopsies

Idiopathic Spinal Cord Herniation

Full Article

AS Tandon, D Saxena

Hong Kong J Radiol 2014;17:e5-8

DOI: 10.12809/hkjr1412144

Idiopathic spinal cord herniation is a rare spinal cord disorder caused by spinal cord prolapse through a dural defect. Idiopathic spinal cord herniation usually occurs in the thoracic spine between

Radioembolisation of Hepatocellular Carcinoma and Liver Metastases: Imaging Findings Using 90Y Positron Emission Tomography/Computed Tomography and Bremsstrahlung Single Photon Emission Computed Tomography/Computed Tomography

Full Article

WH Ma, M Law, WY Ho, KK Wong, S Ng, HY Lau, WK Tso

Hong Kong J Radiol 2014;17:140-4

DOI: 10.12809/hkjr1413199

Radioembolisation with Yttrium-90 (90Y)–labelled microspheres administered via the hepatic artery is currently used to treat primary and metastatic non-resectable liver tumours. 90Y is a pure beta-particle emitter and its energetic beta particle