2015

Rare Breast Epidermal Cyst with Radiological-pathological Correlation

Full Article

SS Cheng, KM Chu, JLF Chiu

Hong Kong J Radiol 2015;18:e18-21

DOI: 10.12809/hkjr1515313

Epidermal inclusion cyst is a common cutaneous condition. However, epidermal cyst deep in the breast parenchyma is rare. Diagnosis can be difficult if there is no suspicious clinical history. An onion-ring

Immunoglobulin G4–related Systemic Disease: Pictorial Review of the Pancreatic and Extrapancreatic Manifestations

Full Article

LWY Chan, JHY Leung, CC Chan

Hong Kong J Radiol 2015;18:316-25

DOI: 10.12809/hkjr1414238

Immunoglobulin G4–related systemic disease (IgG4-RSD) is a newly recognised and emergent condition, which was initially thought to manifest only as autoimmune pancreatitis. As the knowledge about this disease

Coexistence of Two Epstein-Barr Virus–associated Malignancies: Lymphoepithelioma-like Cholangiocarcinoma in a Patient with a History of Undifferentiated Nasopharyngeal Carcinoma

Full Article

YP Tai, RKC Ngan, SH Ting

Hong Kong J Radiol 2015;18:311-5

DOI: 10.12809/hkjr1514280

Undifferentiated nasopharyngeal carcinoma is particularly common in Southern China and is consistently associated with Epstein-Barr virus. In contrast, lymphoepithelioma-like carcinoma of the bile duct is a rare

Imaging Features of Isolated Extranodal Rosai-Dorfman Disease in Iliac Bone

Full Article

KC Lam, HYL Sinn, P Tsui, JSW Wong

Hong Kong J Radiol 2015;18:307-10

DOI: 10.12809/hkjr1515305

We report a case of isolated extranodal Rosai-Dorfman disease occurring in iliac bone. Magnetic resonance imaging, computed tomography, and pathological features of Rosai-Dorfman disease are discussed.

Lipoblastoma: Different Features on Magnetic Resonance Imaging

Full Article

KW Shek, SS Cheng, KS Tse, KC Lai, MK Chan

Hong Kong J Radiol 2015;18:302-6

DOI: 10.12809/hkjr1515332

Lipoblastoma is a rare benign adipocytic tumour that usually occurs in children younger than 3 years, with male predominance. Lipoblastoma usually presents as a slowly enlarging soft tissue mass in the extremities

Hydatid Cyst: Enteric Fistula in a Patient with Disseminated Abdominal Hydatidosis

Full Article

R Das, S Chakraborty, M Karmakar, N Panda

Hong Kong J Radiol 2015;18:297-301

DOI: 10.12809/hkjr1515325

Disseminated peritoneal hydatidosis is rare. Infrequently hydatid cysts can rupture into adjacent organs. We report a case of secondarily disseminated peritoneal hydatidosis with rupture into the gut presenting

Mild Encephalitis / Encephalopathy with Reversible Splenial and Cerebellar Lesions (MERS Type II) in a Patient with Diabetic Ketoacidosis and Hypernatraemia

Full Article

KH Tse, SS Lo

Hong Kong J Radiol 2015;18:293-6

DOI: 10.12809/hkjr1515304

Mild encephalitis / encephalopathy with a reversible splenial lesion is an uncommon condition that mainly affects young patients and children. Epilepsy and the use of antiepileptic medications are considered to be

Imaging Appearance of Renal Epithelioid Angiomyolipoma: a Rare Variant of Renal Angiomyolipoma with Diverse Clinical Behaviours

Full Article

PY Chu, WY Wong, WCS Chan, KL Siu

Hong Kong J Radiol 2015;18:287-92

DOI: 10.12809/hkjr1514288

Renal epithelioid angiomyolipoma is a rare variant of renal angiomyolipoma. The condition occurs in patients with or without tuberous sclerosis. Clinical behaviour of renal epithelioid angiomyolipoma varies widely,

Is There a Correlation between Computed Tomography Scanning of the Acute Abdomen and Associated Surgical Outcomes?

Full Article

SY Tan, BP Waxman

Hong Kong J Radiol 2015;18:282-6

DOI: 10.12809/hkjr1515301

Objectives: To determine the correlation between computed tomography (CT) scanning in evaluating the acute abdomen and the associated surgical outcome.

Methods: This was a retrospective observational study of 362 patients (198 females, 164 males) admitted

Effect of Transarterial Chemoembolisation in Unresectable Hepatocellular Carcinoma with Portal Vein Tumour Thrombosis: Single-centre Study

Full Article

KL Siu, PY Chu, HW Lau, CX Chan, SK Ip

Hong Kong J Radiol 2015;18:277-81

DOI: 10.12809/hkjr1515316

Objectives: To determine the effect of transarterial chemoembolisation (TACE) on liver function and procedure-related mortality in patients with unresectable hepatocellular carcinoma (HCC) and portal vein tumour thrombosis (PVTT).

Appendicitis Computed Tomography Score: a Useful Tool for Predicting Perforation and Surgical Course of Acute Appendicitis

Full Article

BMH Lai, CY Chu, BST Leung, VKP Fung, DTF Lee, THT Sung, JLS Khoo

Hong Kong J Radiol 2015;18:267-76

DOI: 10.12809/hkjr1515310

Objective: To investigate the utility of the Appendicitis Computed Tomography (ACT) scoring system in the diagnosis of perforated appendicitis and prediction of surgical outcome.

Methods: A retrospective study was conducted

Modification of Management Algorithm of Radiologically Suspected Pancreatic and Biliary Malignancy by Incorporation of Local Experience of Autoimmune Pancreatitis

Full Article

CYH Chan, DHS Fung, VWT Chan, OK Wong, SKY Kwok, WK Wong, KW Tang

Hong Kong J Radiol 2015;18:260-6

DOI: 10.12809/hkjr1515308

Objectives: To review the clinical and pathological features of autoimmune pancreatitis (AIP) in a tertiary referral centre in Hong Kong, and to determine preoperative factors that facilitate diagnosis of AIP in order to

Primary Pericardial Osteosarcoma in an Elderly Patient

Full Article

KH Tsang, TY Cheung, WSW Chan, MK Chan

Hong Kong J Radiol 2015;18:e12-7

Concomitant Unilateral Hirayama Disease and Contralateral Disc Protrusion of the Cervical Spine

Full Article

WCS Chan, JPK Tsang, MK Yuen

Hong Kong J Radiol 2015;18:e7-11

DOI: 10.12809/hkjr1514285

Hirayama disease is a type of cervical myelopathy affecting young men and causing wasting of the small muscles of the hand. The underlying pathophysiology is thought to be due to disproportionate growth of the vertebral column and the spinal canal resulting in a tight dural sac. The presentation of Hirayama disease is

Magnetic Resonance Imaging of Fistula-in-ano

Full Article

CYH Chan, KYK Wong, SKY Kwok, WK Wong, KW Tang

Hong Kong J Radiol 2015;18:243-52

DOI: 10.12809/hkjr1515300

Fistula-in-ano is a highly devastating disease due to its high morbidity. In order to achieve excellent surgical outcome, preoperative evaluations are essential. Magnetic resonance imaging (MRI) allows high spatial resolution images and is highly accurate in delineating the type and extent of a perianal fistula.

Extensive Soft Tissue Necrosis Due to Extravasation of Computed Tomography Contrast Medium

Full Article

JH Kwon, JS Kim, SR Eo

Hong Kong J Radiol 2015;18:240-2

DOI: 10.12809/hkjr1515315

Extravasation of contrast medium is a complication of contrast-enhanced computed tomography studies. Clinical presentations include minimal swelling, erythema and, when the extravasated volume is large, ulceration, compartment syndrome, and skin necrosis. Here we present an 80-year-old woman with

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