Journal

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

Chronic Lymphocytic Leukaemia and Multiple Myeloma

Full Article

N Pulenzas, A Porwit, KJ Craddock, N Thavarajah, B Lechner, L Holden, N Lauzon, E Chow

Hong Kong J Radiol 2014;17:135-9

DOI: 10.12809/hkjr1313177

Association of chronic lymphocytic leukaemia and multiple myeloma in the same individual is rare. These malignancies may be related through a common clonal origin, or exist as separate malignancies from

Localised Ureteric Amyloidosis Mimicking Urothelial Tumour

Full Article

VKP Fung, MF Wong, WK Kan, WS Lau, CK Tai

Hong Kong J Radiol 2014;17:129-34

DOI: 10.12809/hkjr1413192

Amyloidosis is a pathological process characterised by extracellular deposition of fibrillar protein. Systemic amyloidosis with multiple organ involvement is more common than localised amyloidosis. Localised amyloid deposition in the urinary tract

Idiopathic Localised Dilatation of the Ileum: Computed Tomography Enteroclysis

Full Article

RKL Lee, EHY Hung, JHY Leung, KWK Tsang

Hong Kong J Radiol 2014;17:124-8

DOI: 10.12809/hkjr1413190

Idiopathic localised dilatation of the ileum is a rare condition in which one or more segments of the ileum are dilated with abrupt transition to normal segments proximally and distally.

Giant Cell Tumour of the Axial Skeleton: Report of Four Cases

Full Article

NY Pan, CY Law, WK Tsang, KL Lee, KC Wong, KF Tam

Hong Kong J Radiol 2014;17:114-23

DOI: 10.12809/hkjr1411064

Giant cell tumours are locally aggressive benign bone lesions with typical imaging features. Giant cell tumours can affect virtually any part of the body, but tend to be situated in the

Hepatic Pseudoaneurysms from Motor Vehicle Accidents Treated with Endovascular Embolisations

Full Article

N Abdullah, Z Mohamed, Y Yaacob

Hong Kong J Radiol 2014;17:109-13

DOI: 10.12809/hkjr1413196

Objectives: To highlight the incidence of hepatic pseudoaneurysms secondary to motor vehicle accidents and the rate of successful treatment with endovascular embolisation.

Ultrasound-guided Percutaneous Radiofrequency-assisted Breast Excision to Remove En-bloc Specimens: Five Years' Experience

Full Article

LMF Tee, CY Lui, KCH Lau, CY Fong, YCY Chan, M Ying, CM Chan

Hong Kong J Radiol 2014;17:98-108

DOI: 10.12809/hkjr1413208

Objectives: To describe our initial 5-year experience in using the radiofrequency-assisted excision technology in a regional hospital, with an emphasis on the efficacy, techniques, and safety of the procedure.

Outcomes of FIGO Stage Ib-IVa Cervical Cancer With or Without Nodal Metastases After Radical Radiotherapy or Chemoirradiation

Full Article

FMY Lim, KY Wong, ACK Cheng, CC Yau

Hong Kong J Radiol 2014;17:87-97

DOI: 10.12809/hkjr1413222

Objectives: Radical radiotherapy or chemoirradiation is the standard of care for International Federation of Gynecology and Obstetrics (FIGO) stage Ib-IVa cervical cancer. However, patients with pelvic or para-aortic nodal metastases have

Stereotactic-guided Vacuum-assisted Breast Biopsy: Safety and Efficacy in the Asian Population

Full Article

AYH Wan, AYT Lai, SSW Lo, WWC Wong, JLS Khoo

Hong Kong J Radiol 2014;17:76-86

DOI: 10.12809/hkjr1413201

Objectives: Stereotactic-guided vacuum-assisted breast biopsy (VAB) has gained popularity as a minimally invasive technique for the evaluation of non-palpable breast lesions with microcalcifications. Percutaneous VAB device has been shown to

Anomalous Systemic Arterial Supply to the Normal Basal Segments of the Left Lower Lobe of the Lung

Full Article

JJK Ip, PKT Hui, SHY Lam, SCW Cheung, WWM Lam, MT Chau

Hong Kong J Radiol 2013;16:137-42

DOI: 10.12809/hkjr1312090

Anomalous systemic arterial supply to the normal basal segments of the lower lobe of the lung without sequestration is a rare congenital abnormality. Whether the condition belongs to the broad

Congenital Absence of Left Circumflex Coronary Artery: Role of Computed Tomography Coronary Angiography

Full Article

PR Kapur, R Jain, GP Vashist

Hong Kong J Radiol 2014;17:e1-4

DOI: 10.12809/hkjr1412126

 

ABSTRACT

Congenital coronary artery anomalies are infrequently seen during coronary angiography, and are usually diagnosed incidentally. Among such anomalies, absence of the left circumflex artery is extremely rare. We report on a

Imaging in Salmonella spp. Infection

Full Article

PY Lui, KL Lee, KY Tam, CC Chan

Hong Kong J Radiol 2014;17:62-9

DOI: 10.12809/hkjr1413205

Salmonella spp. cause a broad spectrum of human illnesses, including gastroenteritis, typhoid fever, and bacteraemia with or without extraintestinal focal infections, or may be present in an asymptomatic carrier. This

Coronary Artery Aneurysm with Associated Fistula: a Rare Condition Detected by Computed Tomography Coronary Angiography

Full Article

WK Tsang, A Li

Hong Kong J Radiol 2014;17:57-61

DOI: 10.12809/hkjr1412123

Coronary artery aneurysm with associated fistula is a rare condition. The complete anatomical delineation of this condition can be achieved with multi-detector computed tomography, which has advantages over echocardiogram and

Sclerosing Adenosis: Should We Still Regard It as a Simple Benign Disease? Report of Two Patients with Subsequent Development of Invasive or In-situ Breast Cancer

Full Article

HN Wong, H Tsunoda, N Matsuda, K Suzuki, CP Li, EWS Fok, JLF Chiu, SCH Chan

Hong Kong J Radiol 2014;17:49-56

DOI: 10.12809/hkjr1412151

Sclerosing adenosis belongs to the group of benign proliferative breast diseases. The imaging and histological findings of sclerosing adenosis can mimic invasive ductal carcinoma. The diagnosis of sclerosing adenosis is

Pancreatic Neuroendocrine Tumour Causing Chronic Diarrhoea: Radiological-Pathological Correlations

Full Article

YY Cheuk, WK Lo, SK Chan, CW Wong

Hong Kong J Radiol 2014;17:45-8

DOI: 10.12809/hkjr1412150

This report is of an unusual case of chronic diarrhoea due to a pancreatic neuroendocrine neoplasm. A 57-year-old man presented to Kwong Wah Hospital, Hong Kong with chronic diarrhoea for

Embolisation of a Left Gastric Artery Pseudoaneurysm by Transcatheter Thrombin Injection Guided by Fluoroscopy and Doppler Ultrasound

Full Article

CKF Tan, MWC H’ng, JL O’Donnell, TH Cho, B Dennien

Hong Kong J Radiol 2014;17:41-4

DOI: 10.12809/hkjr1413166

We present a case with a left gastric artery pseudoaneurysm in a 51-year-old female confirmed on computed tomography and angiography. These aneurysms are rare but are prone to rupture leading