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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

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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

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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

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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

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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

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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.

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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

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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

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KK Cheng, CH Chan, SL Yip, SK Chan, HL Chow

Hong Kong J Radiol 2013;16:296-300

DOI: 10.12809/hkjr1312128

Localised nodular synovitis is a benign localised synovial proliferative tumour that occurs in the tendon sheath. This tumour rarely involves the large joints such as the knee. This report is

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CH Lam, LW Lo, KF Ma, LK Chan

Hong Kong J Radiol 2013;16:293-5

DOI: 10.12809/hkjr1312121

Stercoral colonic perforation is one of the causes of ‘spontaneous’ colonic perforation. Stercoral colonic perforation is well reported in the surgical and gastroenterology literature, yet little has been published in

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KML Wong, CY Lui, HS Lam

Hong Kong J Radiol 2013;16:286-92

DOI: 10.12809/hkjr1312156

Objectives: To look at the outcomes of patients who underwent stereotactic-guided breast biopsy for microcalcifications without specimen yielding calcium, so as to facilitate management.

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HKY Tam, PPY Lui, RKL Lee, WK Kwok, FPT Choi, WCW Chu

Hong Kong J Radiol 2013;16:278-85

DOI: 10.12809/hkjr1313203

Objectives: To determine the diagnostic accuracy and predictive values of hepatobiliary scintigraphy and sonography in the evaluation of clinically suspected biliary atresia.

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FST Mok, OSH Chan, ATY Chang, LLK Chan, IS Soong, WT Ng, FY Cheung, RMW Yeung

Hong Kong J Radiol 2013;16:270-7

DOI: 10.12809/hkjr1313176

Objectives: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare subgroup of non–small-cell lung cancer. Limited published series suggested that it might be associated with more favourable survival than

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N Thavarajah, K Wong, L Zhang, E Wong, G Bedard, N Lauzon, L Holden, M Tsao, C Danjoux, E Barnes, A Sahgal, E Chow

Hong Kong J Radiol 2013;16:261-9

DOI: 10.12809/hkjr1313171

Objective: Radiation therapy can often be used for palliation of thoracic symptoms in patients presenting with locally advanced lung cancer or lung metastases. The aim of this study was to examine

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VHF Lee, DLW Kwong

Hong Kong J Radiol 2013;16:252-60

DOI: 10.12809/hkjr1313185

Nasopharyngeal carcinoma of undifferentiated type is an endemic cancer with a high incidence in Southern China, Taiwan, and Singapore, followed by North African countries and Alaska. Despite intensive definitive treatment,

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HKY Tam, A Li, PSF Lee, VPW Tse, KKY Pang

Hong Kong J Radiol 2013;16:e21-5

DOI: 10.12809/hkjr1312130

Malignant rhabdoid tumour is a rare, but highly aggressive, malignancy of early childhood. Malignant rhabdoid tumour can be classified according to renal and extrarenal locations. For extrarenal lesions, the spinal cord and central nervous system are most commonly involved, although such tumours may arise in

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YH Woo, SS Lo

Hong Kong J Radiol 2013;16:e17-20

DOI: 10.12809/hkjr1312124

Intralabyrinthine schwannoma is an uncommon tumour arising from the vestibulocochlear nerve within the cochlear, vestibule, or semicircular canals. Intralabyrinthine schwannomas are classified according to the

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KCH Lau, LMF Tee, AYH Tsang, AXN Lo, TKL Loke

Hong Kong J Radiol 2013;16:242-5

DOI: 10.12809/hkjr1312083

Follicular dendritic cell sarcomas are a rare form of malignancy of the follicular dendritic cells. More than half of follicular dendritic cell sarcomas are of nodal origin, while the rest can involve the tonsils, nasopharynx,

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JJK Ip, MM Marcet, KW Yan, WWM Lam, MT Chau

Hong Kong J Radiol 2013;16:236-40

DOI: 10.12809/hkjr1311071

Congenital restriction of ocular movements could be due to various abnormalities. One of the rarest causes is fibrosis of the extraocular muscles. Congenital fibrosis of the extraocular muscles is a congenital non-progressive

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BT Kung, CP Wong, TK Au-yong, CM Tong

Hong Kong J Radiol 2013;16:230-4

DOI: 10.12809/hkjr1312138

We report on a 60-year-old man who presented with painless obstructive jaundice, suspicious of hilar cholangiocarcinoma. Positron emission tomography–computed tomography (PET-CT)

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RKL Lee, JHY Leung, KWK Tsang, CSL Tong, AWH Ng, AT Ahuja

Hong Kong J Radiol 2013;16:227-9

DOI: 10.12809/hkjr1312107

Idiopathic transdural thoracic spinal cord herniation is a rare cause of thoracic myelopathy. The cord herniates or prolapses through an anterior or anterolateral defect of the dura mater. Magnetic resonance

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CH Lam, TH Yeung, WC Fan, KF Ma

Hong Kong J Radiol 2013;16:224-6

DOI: 10.12809/hkjr1312120

Gardner’s syndrome is a subtype of familial adenomatous polyposis. Gardner’s syndrome is a rare disorder involving polyps in the colon and tumours in other parts of the body. We report on a 38-year-old woman

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HN Wong, T Nozaki, M Matsusako, I Kusakawa

Hong Kong J Radiol 2013;16:219-23

DOI: 10.12809/hkjr1312135

Bisphosphonates are widely used in the treatment of osteogenesis imperfecta due to their action of limiting bone resorption by inhibiting osteoclast activity. Sclerotic bands, which are known as metaphyseal lines,

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TK Kong

Hong Kong J Radiol 2013;16:209-18

DOI: 10.12809/hkjr1312152

In Hong Kong, 53% of new patients with cancer were aged over 65 years, the incidence of cancer being 8-fold higher than that in younger subjects, and 75% of cancer deaths occur in people aged over 60 years. When cancer is suspected or diagnosed in an elderly person, the doctor faces multiple challenges: diagnostic uncertainty because of multiple pathologies,

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KC Chan, JM Abrigo, TCY Cheung, SW Cheung, DYW Siu

Hong Kong J Radiol 2013;16:203-8

DOI: 10.12809/hkjr1312154

Objective: To retrospectively analyse the quantitative change in cerebral blood flow, cerebral blood volume, and mean transit time after adopting a new protocol for perfusion computed tomography (PCT) where the delay time

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C Bryant, RJ Amdur, WM Mendenhall, CG Morris, A Mancuso, A Yeung

Hong Kong J Radiol 2013;16:198-202

DOI: 10.12809/hkjr1313159

Objectives: To evaluate the prognostic significance of pretreatment tumour volume in predicting local control, with a functioning larynx, in patients with laryngeal cancer treated with primary chemoradiation.

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EKC Lee, KK Yuen, WH Mui, GML Law, CMM Lui, MKH Chan, FCS Wong, SY Tung

Hong Kong J Radiol 2013;16:191-7

DOI: 10.12809/hkjr1313173

Objectives: Volumetric-modulated arc therapy (VMAT) is better than intensity-modulated radiotherapy (IMRT) in terms of its plan qualities and efficiency for the treatment of prostate cancer. It remains unclear whether its use in

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TM Leung, KSL Lam, CY Wong, PL Khong

Hong Kong J Radiol 2013;16:183-90

DOI: 10.12809/hkjr1313182

Objectives: This study aimed to evaluate the prevalence of brown adipose tissue, as detected by fluorine 18-fluorodeoxyglucose positron emission tomography combined with computed tomography (18F-FDG PETCT), in a Southern Chinese population. It also set out to determine associated factors with brown adipose tissue,

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R Dixit, V Chowdhury, P Nagpal, A Prakash, S Singh

Hong Kong J Radiol 2013;16:e13-6

DOI: 10.12809/hkjr1312101

Eosinophilic gastrointestinal disorders are relatively rare disorders characterised by eosinophilic infiltrate into any layer of the gastrointestinal tract, for example, mucosa, muscularis mucosae, and serosa, usually in association with peripheral eosinophilia.

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LWY Chan, CC Chan, FK Wong

Hong Kong J Radiol 2013;16:e9-12

DOI: 10.12809/hkjr1311049

Calcium pyrophosphate dihydrate crystal deposition disease of the temporomandibular joint is a rare entity that has a tendency to mimic bone tumour, leading to unnecessary surgery.