Journal

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

Pseudoaneurysm of the Internal Iliac Artery: a Rare Cause of Bilateral Lumbosacral Plexopathy

Full Article

SF Low, TY Kew, CS Ngiu, NA Bakar

Hong Kong J Radiol 2014;17:36-40

DOI: 10.12809/hkjr1413170

Pseudoaneurysms of the internal iliac artery are uncommon and are usually associated with trauma. Rarely, they expand subclinically for years and cause significant compression of adjacent vital structures. We report

How Useful is Contrast Enema in the Diagnosis of Hirschsprung’s Disease? Five-year Experience from a Local Referral Centre

Full Article

AWY Wong, DSF Tsang, WWM Lam

Hong Kong J Radiol 2014;17:30-5

DOI: 10.12809/hkjr1413206

Objective: To review the diagnostic performance of contrast enema examinations for the investigation of Hirschsprung’s disease, determine the usefulness of delayed 24-hour X-rays, and validate water-soluble contrast enemas for the

Management of Primary Aldosteronism: Should Adrenal Gland Computed Tomography be Replaced by Adrenal Venous Sampling?

Full Article

CH Lam, HL Chow, SH Chiu, HY Cho, S Lau, CY Lui

Hong Kong J Radiol 2014;17:23-9

DOI: 10.12809/hkjr1413184

Objectives: To evaluate the accuracy of computed tomography (CT) in the management of primary aldosteronism by comparing the concordance between CT and adrenal venous sampling (AVS), and the feasibility of

The Dosimetric Effects of Ignoring Small Non-bone High-density Regions Using the 5-Bulk-density Method for Photon Dose Calculation

Full Article

AI Saito, JG Li, C Liu, KR Olivier, D Kahler, K Karasawa, JF Dempsey

Hong Kong J Radiol 2014;17:16-22

DOI: 10.12809/hkjr1413180

Objective: To investigate the effect of the 5-bulk-density dose calculation method without considering small non-bone high-density regions in patients with thoracic cancers.

Methods: A heterogeneity-corrected computed tomography plan and two types

Accuracy of 18F-fluorodeoxyglucose Positron Emission Tomography/Computed Tomography for Detection of Recurrent or Metastatic Colorectal Carcinoma in Patients with Rising Carcinoembryonic Antigen Levels

Full Article

WL Yu, SM Wong, K Wang, AT Ahuja

Hong Kong J Radiol 2014;17:9-15

DOI: 10.12809/hkjr1413186

Objective: A rise in carcinoembryonic antigen level is commonly encountered during follow-up of patients with colorectal carcinoma. This study aimed to evaluate the diagnostic performance of 18F-fluorodeoxyglucose positron emission tomography/computed tomography

Radiological Findings of Primary Multidrug-resistant Pulmonary Tuberculosis in HIV-seronegative Patients

Full Article

SH Kim, JH Min, JY Lee

Hong Kong J Radiol 2014;17:4-8

DOI: 10.12809/hkjr1413213

Objective: To compare the computed tomography findings of patients with primary multidrug-resistant tuberculosis (MDR TB) and those with drug-sensitive tuberculosis (DS TB) who were human immunodeficiency virus (HIV) seronegative.

Prostate Cancer: Diagnosis, Imaging, and Robotic Surgery

Full Article

SKH Yip

Hong Kong J Radiol 2013;16(Suppl):S66-8

Prostate cancer is the third most common cancer affecting men in Hong Kong, and the fifth leading cause of cancer death in Hong Kong males. The diagnosis of prostate cancer

Post-transplant Lymphoproliferative Diseases: a Case Report and Discussion of Management

Full Article

T Chan

Hong Kong J Radiol 2013;16(Suppl):S60-4

Post-transplant lymphoproliferative disorders (PTLD) are lymphoid or plasmacytic proliferations that develop in immunosuppressed individuals, particularly in recipients of solid organs, bone marrow, or stem cell allograft. Although rare in the

Anti-angiogenesis Therapy in Lung Cancer: a Practical Approach

Full Article

JCM Ho

Hong Kong J Radiol 2013;16(Suppl):S55-9

In advanced pulmonary carcinoma, determination of epidermal growth factor receptor (EGFR) mutation status, histology, and anaplastic lymphoma kinase (ALK) mutation status can be highly instructive for guiding the course of

What Physicians Need to Know About Biosimilars

Full Article

BMY Cheung

Hong Kong J Radiol 2013;16(Suppl):S50-4

Biologics are complex proteins derived from living organisms that have been used successfully in treating many different diseases. As some biologics approach patent expiration, the development of drugs that are

Recent Advances in the Treatment for Metastatic Castration-Refractory Prostate Cancer

Full Article

PWK Kwong

Hong Kong J Radiol 2013;16(Suppl):S44-9

In Hong Kong, prostate cancer is the third most common cancer in men, with increasing incidence over the past two decades. Advanced prostate cancer is typically sensitive to androgen-deprivation therapy,

Post-prostatectomy Radiotherapy

Full Article

EKC Lee

Hong Kong J Radiol 2013;16(Suppl):S39-43

Patients with localised prostate cancer can be cured with radical prostatectomy alone. Nevertheless, many of them may develop local failure due to positive surgical margins or residual disease from extraprostatic

Advances in Treatment for Patients with Unresectable or Metastatic BRAF V600 Mutated Melanoma

Full Article

ACH Ying

Hong Kong J Radiol 2013;16(Suppl):S34-8

Melanoma is widely prevalent among western populations and is a relatively rare malignancy in the local Chinese population. In local Chinese patients, clinicians should be wary of suspicious pigmented lesions

Importance of BRAF Testing in Unresectable or Metastatic Melanoma

Full Article

ESK Ma

Hong Kong J Radiol 2013;16(Suppl):S29-33

BRAF is a protein kinase in the mitogen-activated protein kinase pathway that regulates cell proliferation, differentiation, and survival. Mutation in the BRAF gene can lead to aberrant activation of the

Achieving Response and Improving Outcomes of First-line Therapy for Advanced Non–small-cell Lung Cancer

Full Article

KK Loh

Hong Kong J Radiol 2013;16(Suppl):S23-8

The first-line treatment paradigm for advanced non–small-cell lung cancer (NSCLC) has evolved in the past few decades, with marked improvements in therapeutic strategies and choice of active agents. Prior

Optimising Systemic Therapy in Metastatic Colorectal Cancer

Full Article

EP Hui

Hong Kong J Radiol 2013;16(Suppl):S17-22

The last 30 years have witnessed numerous advances in the management of metastatic colorectal cancer leading to an expansion in treatment options and improvement in treatment outcomes. The management of

From Complexity to Simplicity: Best Level of Evidence for Metastatic Colorectal Cancer

Full Article

KO Lam

Hong Kong J Radiol 2013;16(Suppl):S9-16

Simplicity is enormously complex in the treatment of metastatic colorectal cancer. In terms of survival, life expectancy of patients with metastatic colorectal cancer improved substantially from 3 to 6 months

Emerging Novel Therapies in Recurrent Ovarian Cancer: Anti-angiogenesis

Full Article

E Pujade-Lauraine

Hong Kong J Radiol 2013;16(Suppl):S4-8

Ovarian cancer is the leading cause of gynaecological cancer death in Hong Kong. It is often diagnosed late due to the absence of a means for routine screening. Up to 75% of patients

Mucinous Cystadenoma of the Appendix: a Rare Cause of Right Lower Abdominal Mass

Full Article

YS Luk, LRS Lam, JSF Shum, JLS Khoo

Hong Kong J Radiol 2013;16:e31-4

DOI: 10.12809/hkjr1312104

Mucinous cystadenoma is a rare tumour of the appendix and is associated with mucocele formation as well as an increased risk of adenocarcinoma of the colon and ovaries. Preoperative imaging

Inferior Ophthalmic Vein Varix Complicated by Acute Thrombosis

Full Article

SF Low, YL Lee

Hong Kong J Radiol 2013;16:e26-30

DOI: 10.12809/hkjr1312140

Orbital venous varix is an uncommon venous malformation of the orbit, divided into primary and secondary types. Orbital varix most commonly involves the superior ophthalmic vein and is rarely complicated

Sagittal Magnetic Resonance Imaging of the Brain: One Side of the Story

Full Article

F Mubarak, D Lau, S Alam, AP Tan, PL Kei

Hong Kong J Radiol 2013;16:312-21

DOI: 10.12809/hkjr1313183

Sagittal magnetic resonance imaging of the brain is included in many brain imaging protocols and, when taken alone, the sagittal plane is useful for providing diagnostic information about common pathologies.

Radiological Findings of a Large Dermatofibrosarcoma Protuberans with Pathological Correlation

Full Article

A Bansal, KL Chakraborti, S Mahajan, S Soni, N Wadhwa

Hong Kong J Radiol 2013;16:307-11

DOI: 10.12809/hkjr1312106

Dermatofibrosarcoma protuberans is a rare, low- to intermediate-grade soft tissue sarcoma that is fibrohistiocytic in nature and originates from the dermis. Dermatofibrosarcoma protuberans is a locally aggressive tumour that

Focal Pulmonary 18F-fluorodeoxyglucose Accumulation Without Corresponding Computed Tomography Abnormalities due to Intravenous Injection Passing Through the Lower Limb Varicose Veins

Full Article

BT Kung, CP Wong, TK Au Yong, CM Tong

Hong Kong J Radiol 2013;16:301-6

DOI: 10.12809/hkjr1312098

A 58-year-old woman with bilateral lower limb varicose veins and Burkitt lymphoma underwent positron-emission tomography/computed tomography (PET-CT) to exclude lymphoma relapse. PET-CT images did not show