Vol. 18 No. 1, 2015

Table of Contents


ORIGINAL ARTICLES

Semi-quantification of Hepatic Steatosis in Patients with Chronic Liver Disease Using the Multiecho Two-Point Dixon Technique with Histopathology as the Reference Standard

Full Article

P Korpraphong, K Somsap, P Saiviroonporn, A Pongpaibul, P Charatcharoenwitthaya

Hong Kong J Radiol 2015;18:4-10

DOI: 10.12809/hkjr1414261

Objectives: To determine the utility of the multiecho two-point Dixon technique in the semi-quantification of hepatic fat in patients with chronic liver disease and compare these results with the histopathology outcomes.

Can Intraoperative Specimen Radiograph Predict Resection Margin Status for Radioguided Occult Lesion Localisation Lumpectomy for Ductal Carcinoma In Situ Presenting with Microcalcifications?

Full Article

BST Leung, AYH Wan, AKY Au, SSW Lo, WWC Wong, JLS Khoo

Hong Kong J Radiol 2015;18:11-21

DOI: 10.12809/hkjr1414265

Objective: To determine the accuracy of specimen radiograph in predicting ductal carcinoma in situ resection margin status during radioguided occult lesion localisation.

Prevalence of Non-calcified Coronary Plaque on 64-Slice Computed Tomography Coronary Angiography in Patients with Zero and Low Coronary Artery Calcium Scores

Full Article

CWS Wan, A Li, OC Leung, YC Wong

Hong Kong J Radiol 2015;18:22-6

DOI: 10.12809/hkjr1414271

Objective: To study the prevalence of non-calcified plaque causing significant coronary artery stenosis in patients with zero or low coronary artery calcium scores in a regional hospital in Hong Kong.

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).

CASE REPORTS

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

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

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

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

PICTORIAL ESSAYS

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

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

CLINICIAN'S PERSPECTIVE

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.

EPUB-ONLY ARTICLE

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

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