Journal

Molecular Pathogenesis of Hepatocellular Carcinoma

Full Article

IOL Ng

Hong Kong J Radiol 2012;15(Suppl):S23-8

Liver cancer, which consists predominantly of hepatocellular carcinoma, is one of the most frequently occurring cancers and the third most common cause of cancer death worldwide.

Recent Advances in the Treatment of Hepatocellular Carcinoma

Full Article

RTP Poon

Hong Kong J Radiol 2012;15(Suppl):S13-22

Multiple factors may influence the selection of treatments for patients with hepatocellular carcinoma. Surgical resection continues to be the mainstay of treatment for patients with well-preserved liver function.

Update on the Management of Advanced Ovarian Cancer: the Role of Anti-angiogenic Agents

Full Article

SB Kaye

Hong Kong J Radiol 2012;15(Suppl):S5-12

Ovarian cancer is often diagnosed in its later stages, leading to poor prognosis and high mortality rates. Chemotherapy with paclitaxel plus a platinum-based drug is the standard treatment for advanced ovarian carcinoma.

The Incremental Value of Single-photon Emission Computed Tomography / Computed Tomography in Post-thyroidectomy Iodine-131 Scanning of Differentiated Thyroid Carcinoma. Part II : Pictorial Illustration

Full Article

P Tang, K Wang, CY Cheung, SF Leung

Hong Kong J Radiol 2012;15:260-7

This pictorial essay illustrates how iodine-131 single-photon emission computed tomography / computed tomography (SPECT/CT) fusion imaging might improve the interpretation of planar iodine-131 whole-body images in post-surgical patients with differentiated thyroid carcinoma.

Primary Squamous Cell Carcinoma of the Breast in Two Chinese Women

Full Article

TW Chan, AKC Leung, KC Ngan

Hong Kong J Radiol 2012;15:256-9

Primary squamous cell carcinoma of the breast is a rare breast neoplasm. This report describes two Chinese women diagnosed with primary squamous cell carcinoma of the breast.

Stenosing Peroneal Tenosynovitis Associated with Hypertrophy of the Peroneal Tubercle

Full Article

JWC Wai, KC Lai, MK Chan, SCH Chan

Hong Kong J Radiol 2012;15:252-5

Peroneal tenosynovitis in association with hypertrophy of the peroneal tubercle is part of the differential diagnosis of lateral foot and ankle pain. When the peroneal tubercle is enlarged, it can be a source of discomfort when wearing shoes,

Chiari I Malformation in Patients with Pfeiffer Syndrome: Important Aspects of Preoperative Imaging

Full Article

JJK Ip, PKT Hui, WWM Lam, MT Chau

Hong Kong J Radiol 2012;15:247-51

Chiari I malformation may not be congenital, but may be acquired as a consequence of skull deformities and other associated intracranial factors in patients with craniosynostosis.

Fracture of Calcaneal Spur

Full Article

M Esmadi, H Ahsan, DS Ahmad

Hong Kong J Radiol 2012;15:244-6

Calcaneal spurs are bony outgrowths of the calcaneus that are common findings on radiographic examination of the foot and ankle. Calcaneal spurs can develop on the plantar tuberosity and extend across the whole width of the calcaneus.

An Unusual Case of Horseshoe Kidney: Obstructed Drainage or Not?

Full Article

WH Ma, WY Ho, KK Wong, M Law

Hong Kong J Radiol 2012;15:237-43

Horseshoe kidney is a common congenital anomaly. Complications such as ureteral obstruction, hydronephrosis, recurrent calculi, or infection are common and may require surgical intervention.

Sonographic Features of Bacille Calmette–Guérin (BCG) Lymphadenitis

Full Article

JPK Tsang, OC Li, MK Yuen

Hong Kong J Radiol 2012;15:233-6

Objective: To review the sonographic features of Bacille Calmette–Guérin (BCG) lymphadenitis.

Endovascular Interventions for Peripheral and Central Venous Stenosis in Haemodialysis Patients with Arteriovenous Grafts

Full Article

KL Siu, FNY Sin, CY Fong, B Lo, LF Cheng, JKF Ma

Hong Kong J Radiol 2012;15:227-32

Purpose: To evaluate the efficacy of percutaneous balloon angioplasty for peripheral and central venous stenosis in haemodialysis patients with arteriovenous grafts.

Dual-phase Fluorodeoxyglucose Positron Emission Tomography / Computed Tomography for Differentiation of Tuberculoma from Malignancy in Patients Presenting with Solitary Pulmonary Nodules: Local Experience in a Single Centre

Full Article

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

Hong Kong J Radiol 2012;15:220-6

Objective: To evaluate whether dual-phase fluorodeoxyglucose (FDG) positron emission tomography / computed tomography (PET/CT) can differentiate tuberculoma from malignancy in patients presenting with solitary pulmonary nodules.

The Incremental Value of Single-photon Emission Computed Tomography / Computed Tomography in Post-thyroidectomy Iodine-131 Scanning of Differentiated Thyroid Carcinoma. Part I: Retrospective Analysis of 26 Cases

Full Article

P Tang, K Wang, CY Cheung, SF Leung

Hong Kong J Radiol 2012;15:213-9

Objective: This study investigated whether single-photon emission computed tomography (SPECT) with integrated low-dose computed tomography (CT) may have additional value over whole-body scintigraphy in determining the presence and location of tumour uptake in patients with differentiated thyroid carcinoma.

The Role of Adjuvant Chemotherapy and Radiation in Women with Stage III Endometrial Cancer

Full Article

CY Shum, KY Wong

Hong Kong J Radiol 2012;15:204-12

Objective: To retrospectively analyse prognostic variables, failure patterns, and overall survival in patients with stage III endometrial cancer treated with postoperative radiotherapy with or without chemotherapy

Umbilical Enteric Fistula: a Rare Cause of Neonatal Umbilical Mass

Full Article

JJK Ip, PKT Hui, L Lan, WWM Lam, MT Chau

Hong Kong J Radiol 2012;15:192-6

Congenital umbilical anomalies are common presentations in paediatric patients, and are usually classified as persistent umbilical cord structures or failure of umbilical ring closures.

Neurogenic Tumour Mimicker: Two Cases of Neurolymphomatosis

Full Article

JWC Wai, MK Chan, KW Tang, SCH Chan

Hong Kong J Radiol 2012;15:187-91

Infiltration of the peripheral nervous system by lymphoma is termed neurolymphomatosis. Prior to identification of the causative B lymphocyte, neurolymphomatosis was the least common clinical presentation of nervous system lymphoma.

Late Isolated Regional Lymph Node Recurrence of Dermatofibrosarcoma Protuberans of the Abdominal Wall

Full Article

YK Chik, AKC Leung, KC Ngan

Hong Kong J Radiol 2012;15:181-6

This report is of a rare occurrence of lymph node relapse in a 46-year-old Chinese man with dermatofibrosarcoma protuberans of the abdominal wall. At initial presentation, the patient underwent wide local excision of the primary lesion.

Congenital Agenesis of the Internal Carotid Artery Mimicking Suprasellar Aneurysm

Full Article

KL Siu, FNY Sin, KFJ Ma

Hong Kong J Radiol 2012;15:177-80

Congenital agenesis of the internal carotid artery is a rare malformation. Although the condition can be regarded as a normal variant, recognition and knowledge of such an entity is important because it has important implications during carotid and trans-sphenoidal surgery and interventional stenting.

Abdominal Pain Without a Cause?

Full Article

OA Westerland, CJ Burke, T Sabharwal

Hong Kong J Radiol 2012;15:174-6

This report is of an unusual case of chronic abdominal pain in a 36-year-old man without past medical history. He complained of abdominal pain and weight loss of 30 kg over one year.

Carotid-cavernous Sinus Fistula Presenting with Contralateral Intracerebral Haemorrhage

Full Article

V Lau, G Leung, R Lee, WM Lui

Hong Kong J Radiol 2012;15:170-3

Carotid-cavernous fistula is a well-established neurological disease that typically presents with proptosis, chemosis, ophthalmic bruit, and cranial nerve palsies.

Diagnosis of Pulmonary Embolism by Computed Tomographic Pulmonary Angiography With and Without Optimal Contrast Enhancement: a Prospective Single Centre Audit

Full Article

S Lloyd, A Sahu, R Riordan

Hong Kong J Radiol 2012;15:162-9

Objective: We aimed to establish whether there was a correlation between the diagnostic efficacy of computed tomographic pulmonary angiography for pulmonary embolism and the degree of pulmonary arterial enhancement measured objectively by main pulmonary artery attenuation level.

Gastrointestinal Stromal Tumours: Role of Computed Tomography in Predicting Tumour Behaviour

Full Article

HA Al-Balas, YH Shaib

Hong Kong J Radiol 2012;15:155-61

Objective: To describe the clinical and imaging features of the gastrointestinal stromal tumours and the role of computed tomography in predicting malignant potential.

Volumetric Modulated Arc Therapy vs 3-Dimensional Conformal Radiotherapy in Head and Neck Cancer: a Comparative Planning and Dosimetry Study

Full Article

SM Lee, CK Lee, KS Yu, KC Ngan

Hong Kong J Radiol 2012;15:149-54

Objective: In this study, we evaluate the advantages of volumetric modulated arc therapy (VMAT) compared to conventional 3-dimensional conformal radiotherapy (3DCRT) with respect to dosimetry, verification, and treatment efficiency.

Intracranial Internal Carotid Artery Calcification: a Predictor of Stroke in the Next Five Years

Full Article

WCS Chan, WL Poon, WS Wan

Hong Kong J Radiol 2012;15:143-8

Objective: The fact that calcification in the coronary artery is associated with ischaemic heart disease is well-known. Calcification is also very common in the transcranial and intracranial segments of internal carotid arteries.

The Effect of Chemotherapy and Radiotherapy on Fertility

Full Article

DLW Kwong

Hong Kong J Radiol 2012;15:136-42

Improvements in cancer treatment have led to increasing numbers of cancer survivors who may desire to have children. Both chemotherapy and radiotherapy can have long-term consequences on reproductive function.

Primary Omental Leiomyosarcoma: Unusual Manifestation of a Rare Entity

Full Article

CY Chu, MF Wong, KC Leung, P Tsui, WK Chau

Hong Kong J Radiol 2012;15:113-8

Although metastatic tumours in the greater omentum are common, primary omental neoplasms are rare. Primary omental leiomyosarcoma is a rare disease with only a limited number of reports in the literature.

Computed Tomographic Angiography Findings in Spontaneous Intracranial Haemorrhage: Correlation with Digital Subtraction Angiography

Full Article

KW Leung, KH Fung

Hong Kong J Radiol 2012;15:125-30

In this pictorial essay, computed tomographic angiography findings in various cerebrovascular diseases that lead to spontaneous intracranial haemorrhage are illustrated.

Hypertrophic Pachymeningitis as the First Manifestation of Systemic Lupus Erythematosus

Full Article

WL Yu, KSS Bhatia, K Wang

Hong Kong J Radiol 2012;15:119-24

Hypertrophic pachymeningitis, characterised by focal or diffuse thickening of the dura mater, is an uncommon condition. An increasing number of cases have been reported for its association with underlying autoimmune and connective tissue diseases.

Magnetic Resonance Imaging Findings of Hirayama’s Disease

Full Article

KYK Tang, CY Chu, KW Leung, JSF Shum, SSW Lo, CS Cheng, JLS Khoo

Hong Kong J Radiol 2012;15:110-2

Hirayama’s disease is a rare form of cervical myelopathy resulting in juvenile muscular atrophy of the upper limb.