Journal

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

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

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

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

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.

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.

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.

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

Incidental Breast Masses on Ultrasound: What are Their Characteristics and Clinical Outcome?

Full Article

VYK To, CY Lee, CX Chan, SL Fung

Hong Kong J Radiol 2015;18:146-50

DOI: 10.12809/hkjr1514292

Objective: To evaluate the characteristics and clinical outcome of non-palpable breast lesions screened by ultrasound.

Methods: From January 2011 to June 2011, all new cases

Impact of Background Parenchymal Enhancement in Preoperative Magnetic Resonance Imaging Breast Assessment for Women with Newly Diagnosed Breast Cancer

Full Article

WS Wan, CY Lee, CY Lui

Hong Kong J Radiol 2015;18:141-5

DOI: 10.12809/hkjr1514252

Objectives: To determine the influence of background parenchymal enhancement (BPE) in preoperative magnetic resonance imaging (MRI) breast assessment and its impact on

A Study on the Performance of Breast One-Stop Clinic in Queen Elizabeth Hospital

Full Article

WSE Fok, WL Poon, KM Chu, CY Lee, CW Lee, KS Tse, WC Wai, LF Chiu

Hong Kong J Radiol 2015;18:134-40

DOI: 10.12809/hkjr1514243

Objectives: To evaluate the breast One-Stop Clinic (OSC) performance in Queen Elizabeth Hospital from December 2011 to November 2012.

Methods: Patient attendances and clinical data

Sonographic Visibility and Feasibility of Biopsy under Ultrasound Guidance of Suspicious Microcalcification-only Breast Lesions: a Single-centre Study

Full Article

TE Kim, DB Kim, JH Jung, EK Lee

Hong Kong J Radiol 2015;18:125-33

DOI: 10.12809/hkjr1514264

Objectives: To assess the sonographic visibility and feasibility of biopsy under ultrasound guidance of mammographically suspicious microcalcification-only lesions.

Methods: A retrospective review was performed

Male Breast Cancer in Hong Kong: 15-Year Experience from a Tertiary Institution

Full Article

JCH Chow, RKC Ngan

Hong Kong J Radiol 2015;18:119-24

DOI: 10.12809/hkjr1515320

Objective: Male breast cancer (MBC) is a rare disease entity and few data are available for the Chinese population. This study aimed to report MBC data

Treatment Horizons for Triple-negative Breast Cancer

Full Article

W Yeo

Hong Kong J Radiol 2015;18:111-8

DOI: 10.12809/hkjr1515321

Triple-negative breast cancer is a distinct clinical subtype characterised by tumours that do not express oestrogen receptor, progesterone receptor, or HER-2 oncogene. Patients with triple-negative breast cancer

Imaging Appearances of Breast Disorders During Pregnancy and Lactation

Full Article

P Chatpitanrut, P Kongmebhol, M Muttarak

Hong Kong J Radiol 2015;18:160-8

DOI: 10.12809/hkjr1514244

Tumours or disorders affecting the breasts in pregnant or lactating women are usually similar to those occurring in non-pregnant women, but some lesions are unique

Mimicker of Breast Cancer: Mammary Fibromatosis

Full Article

WL Yu, C Wu, HHL Chau

Hong Kong J Radiol 2015;18:156-9

DOI: 10.12809/hkjr1514281

Mammary fibromatosis is a rare benign lesion of the breast with clinical and radiological manifestations mimicking breast cancer. We present a woman with fibromatosis

Popcorn-like Calcification in the Breast: More Than Meets the Eye?

Full Article

N Abdullah, R Sridharan, A Saeid, IM Rose, ZM Annuar

Hong Kong J Radiol 2015;18:152-5

DOI: 10.12809/hkjr1514274

We present a case of a 56-year-old woman who had mammographic findings of coarse popcorn-like calcification in the right breast. In year 2000, the patient had benign lumps

Recent Advances and Application of Breast Imaging in Clinical Practice

Full Article

WL Yu, JCM Sitt, SY Fung, APY Tang

Hong Kong J Radiol 2015;18:99-110

DOI: 10.12809/hkjr1515319

Breast imaging is an essential cornerstone in the management of breast cancer. It serves not only as breast cancer screening, but also in diagnosis,

Sneaking Its Way Up: External Auditory Canal Involvement by an Otherwise Inconspicuous Nasopharyngeal Carcinoma via Spread Through the Eustachian Tube

Full Article

JWY Lai, ACK Cheng, M Tong, CC Yau

Hong Kong J Radiol 2015;18:e1-6

DOI: 10.12809/hkjr1414253

External auditory canal and middle ear involvement is an uncommon initial presentation for early primary nasopharyngeal carcinoma. Previously reported cases were only associated with advanced skull base erosion or recurrence after radical treatment. We present a patient with

Clinical Diagnosis of Dementia: Core Clinical Features and Diagnostic Criteria

Full Article

DLK Dai, GHY Wong, YL Dai, K Wang

Hong Kong J Radiol 2015;18:87-90

DOI: 10.12809/hkjr1414277

In dementia of the elderly, the majority of patients with onset around the eighth decade have typical Alzheimer’s disease; diagnostic workup is usually simple, and a plain computed tomography brain is sufficient to exclude pathology other than generalised brain atrophy.

Neuroscintigraphy of Non-Alzheimer’s Disease Dementias

Full Article

K Wang, YL Dai, TCY Cheung, DLK Dai

Hong Kong J Radiol 2015;18:74-86

DOI: 10.12809/hkjr1414268

Neuroscintigraphy for dementia includes brain perfusion single-photon emission computed tomography (SPECT) [hexamethylpropyleneamine oxime or ethyl cysteinate dimer] and fluorodeoxyglucose positron emission tomography (PET), which are the two most common

Neuroradiology of Non-Alzheimer’s Disease Dementias

Full Article

YL Dai, K Wang, TCY Cheung, DLK Dai

Hong Kong J Radiol 2015;18:58-73

DOI: 10.12809/hkjr1414267

Dementia is an increasingly prevalent disease of the ageing population. Although Alzheimer’s disease is still the most common cause of dementia, there is emerging clinical interest in other, less common, causes of dementia that can affect patients at a younger

Retroperitoneal Sclerosing Perivascular Epithelioid Cell Tumour

Full Article

VYK To, JPK Tsang, TW Yeung, MK Yuen

Hong Kong J Radiol 2015;18:51-6

DOI: 10.12809/hkjr1414242

Perivascular epithelioid cell tumour is a relatively new entity with rising incidence. This is a rare mesenchymal neoplasm that can occur in various organs and is characterised by proliferation of perivascular cells and expression of myomelanocytic markers. Here, we present

Evolution of Caseating Granuloma from Tuberculous Cerebritis in the Corpus Callosum

Full Article

SH Kim, SS Choi, MJ Kang

Hong Kong J Radiol 2015;18:46-50

DOI: 10.12809/hkjr1414270

Central nervous system tuberculosis usually presents as tuberculous meningitis, intracranial tuberculoma, tuberculous brain abscess, or tuberculous mass. Tuberculoma originates as a conglomerate of microgranulomata in an area of tuberculous cerebritis that joins to form a

Post-traumatic Postoperative Osteolysis: an Under-recognised Cause of Recrudescence of Osteolysis in Quiescent Osteoblastic Pagetic Bone

Full Article

WK Tsang, MK Yuen

Hong Kong J Radiol 2015;18:41-5

DOI: 10.12809/hkjr1414260

Post-traumatic postoperative osteolysis is a rare cause of recrudescence of osteolysis in previously quiescent sclerotic pagetic bone. This condition can develop rapidly following trauma and operation, and mimic sinister causes like malignancy. Awareness of this rare disease entity

Endoscopic Nasopharyngectomy for Recurrent Nasopharyngeal Carcinoma

Full Article

HM Chong, PY Lo, RKC Ngan

Hong Kong J Radiol 2015;18:37-40

DOI: 10.12809/hkjr1414247

Patients with early local recurrence of nasopharyngeal carcinoma with close proximity to the nearby carotid artery can be offered long-term control by endoscopic nasopharyngectomy which allows complete microscopic clearance of the recurrent tumour without damaging the

Computed Tomography and Magnetic Resonance Imaging of Adenolymphoma (Warthin's Tumour) of the Parotid Gland

Full Article

AK Yadav, CC Xia, YF Peng, HD Shao, XZ Gang

Hong Kong J Radiol 2015;18:27-36

DOI: 10.12809/hkjr1414262

Objective: To characterise the computed tomography / magnetic resonance imaging (CT/MRI) features to diagnose adenolymphoma (Warthin’s tumour).