Journal

Pneumocystis jiroveci Infection and Craniospinal Irradiation with Arc Therapy: a Report of Two Cases

Full Article

TH So, PYP Ho, TW Leung, DLW Kwong

Hong Kong J Radiol 2016;19:126-31

DOI: 10.12809/hkjr1615329

Tomotherapy, a form of arc therapy, is often preferred to craniospinal irradiation (CSI) because of its better dose homogeneity when planning target volume and minimising organ risk.

Imaging in Acute Appendicitis: Lessons Learned from Appendicectomy Patients at Two District General Hospitals in the United Kingdom over a Six-year Period

Full Article

OA Westerland, RK Singh, HC Nagraj, S Muthukumarasamy, K Ramesar, MP Saunders, DC Howlett

Hong Kong J Radiol 2016;19:118-25

DOI: 10.12809/hkjr1615353

Objective: To evaluate the utilisation and diagnostic accuracy of imaging for suspected appendicitis, in the context of the negative appendicectomy rate (NAR).

Squamous Cell Carcinoma of the Penis: Fourteen-year Experience from a Tertiary Institution

Full Article

OY Szeto, HC Cheng, WM Ng, KC Ngan

Hong Kong J Radiol 2016;19:111-7

DOI: 10.12809/hkjr1615362

Objective: Penile cancer is a rare disease and more than 95% of the disease is squamous cell carcinoma (SCC). This study aimed to report data of penile SCC from a regional institution in Hong Kong.

Clinical Application, Performance, and Common Pitfalls of Ultrasound-guided Pleural Biopsy: Our Local Experience

Full Article

JCM Sitt, RKL Lee, AWH Chan, M Hui, KT Wong, SCH Yu

Hong Kong J Radiol 2016;19:103-10

DOI: 10.12809/hkjr1615368

Objectives: To investigate the diagnostic performance of ultrasound-guided pleural biopsy, and discuss its clinical applications, limitations, and pitfalls.

Treatment Outcome of Cetuximab Compared with Cisplatin during Radical Radiotherapy for Locally Advanced Head and Neck Cancer

Full Article

KS Law, RKY Wong, E Yu, ACK Cheng

Hong Kong J Radiol 2016;19:96-102

DOI: 10.12809/hkjr1615340

Objectives: To assess whether cetuximab (C225) is equivalent to cisplatin (CDDP) with concurrent radical radiotherapy (RT) for locally advanced head and neck squamous cell carcinoma (LAHNSCC) by comparing the treatment outcome of two patient cohorts treated in our institute.

Reduction in Lens Dose in Temporal Bone Computed Tomography by Modification of Scanning Plane

Full Article

TF Lee, CY Chu, HT Sung, ST Leung, KW Leung, WK Kan

Hong Kong J Radiol 2016;19:91-5

DOI: 10.12809/hkjr1615339

Objectives: To evaluate the radiation dose reduction to the lens by modifying the scanning plane to exclude the orbit in temporal bone computed tomography (CT). The effect on diagnostic image quality was also evaluated.

Is Apparent Diffusion Coefficient Value Measured on Picture Archiving and Communication System Workstation Helpful in Prediction of High-grade Meningioma?

Full Article

S Hirunpat, N Sanghan, C Watcharakul, K Kayasut, N Ina, H Pornrujee

Hong Kong J Radiol 2016;19:84-90

DOI: 10.12809/hkjr1615346

Objective: To determine whether the apparent diffusion coefficient (ADC) value measured on picture archiving and communication system (PACS) workstation is helpful in prediction of high-grade meningioma (World Health Organization grade II and III).

From Diagnosis to Treatment

Full Article

MK Yuen

Hong Kong J Radiol 2016;19:81-3

Primary Adrenal Tuberculosis Causing Adrenal Insufficiency

Full Article

VV Maller, MO Afzal, S Shankar

Hong Kong J Radiol 2016;19:e6-9

DOI: 10.12809/hkjr1615361

Addison’s disease with bilateral adrenal enlargement can be due to infectious or non-infectious causes. The

Acute / Subacute Development of Diffuse Left Ventricular Myocardial Calcification in Sepsis Associated with High Mortality

Full Article

WCS Chan, JPK Tsang, YW Hon, YC Wong

Hong Kong J Radiol 2016;19:e1-5

DOI: 10.12809/hkjr1615347

Diffuse myocardial calcification is very rare and can be either dystrophic or metastatic. Acute / subacute

Magnetic Resonance Imaging of Prostate Cancer

Full Article

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

Hong Kong J Radiol 2016;19:64-73

DOI: 10.12809/hkjr1615299

Prostate cancer is a common entity in elderly men. Diagnosis is based on histology obtained from transrectal

Mueller-Weiss Syndrome: an Important but Under-recognised Cause of Foot Pain and Deformity

Full Article

CH Chan, KK Cheng, NY Pan, KC Wong, HY Lai, HF Chan, HL Chow

Hong Kong J Radiol 2016;19:57-62

DOI: 10.12809/hkjr1615337

Mueller-Weiss syndrome, or spontaneous osteonecrosis of the tarsal navicular bone in adults, is an important

Tuberculous Epididymo-orchitis Demonstrating a Sonographic Miliary Pattern

Full Article

KYA Au, KHB Lee, KFY Cho, LSJ Khoo

Hong Kong J Radiol 2016;19:52-6

DOI: 10.12809/hkjr1615335

Tuberculosis is an infectious disease that continues to be a significant public health concern in Hong Kong.

A Case of Seminal Vesicle / Prostatic Reflux Causing Intense Focal Fluorodeoxyglucose Uptake in the Prostate Gland

Full Article

WH Ma, EYP Lee, ASH Lai, PL Khong

Hong Kong J Radiol 2016;19:49-51

DOI: 10.12809/hkjr1615333

We report an interesting case of benign persistent intense focal fluorodeoxyglucose (FDG) activity in the

Recurrent Pigmented Villonodular Synovitis with Distant Metastases: Case Report and Review of the Literature on the Efficacy of Targeted Therapies

Full Article

TY Lee, ACL Chan, RKC Ngan

Hong Kong J Radiol 2016;19:43-8

DOI: 10.12809/hkjr1615343

Pigmented villonodular synovitis (PVNS), also known as tenosynovial giant cell tumour, diffuse type, is an

Metal Artefact Reduction by Dual-energy Computed Tomography Using Monoenergetic Extrapolation: In-vitro Determination of Optimal Monoenergetic Level with Different Metallic Implants Using a Phantom Body

Full Article

WCS Chan, JPK Tsang, WY Wong, PY Chu, VYK To, CY Lee, TW Yeung, OC Leung, NY Sin, OC Li, MK Yuen

Hong Kong J Radiol 2016;19:35-42

DOI: 10.12809/hkjr1615356

Objective: To identify the optimal monoenergetic level, balancing metal artefacts, and the amount of noise present

Occult Intertrochanteric Extension in Isolated Greater Trochanteric Fracture on Plain Radiographs

Full Article

WY Wong, PY Chu, WCS Chan, TW Yeung, MK Yuen

Hong Kong J Radiol 2016;19:28-34

DOI: 10.12809/hkjr1615331

Objectives: To review the prevalence of occult intertrochanteric extension and fracture pattern in patients with

Synovial Sarcoma: Epidemiology, Prognosis, and Imaging in a Tertiary Referral Centre

Full Article

KH Tsang, WSW Chan, MK Chan, KC Lai, ACL Chan

Hong Kong J Radiol 2016;19:19-27

DOI: 10.12809/hkjr1615298

Objectives: To review the disease pattern of synovial sarcoma in a tertiary sarcoma centre in Hong Kong.

Institutional Experience of Magnetic Resonance Imaging–directed Targeted Transrectal Ultrasound–guided Prostate Biopsy

Full Article

YHA Tsang, CHS Lam, PP Iu, HY Cho

Hong Kong J Radiol 2016;19:10-8

DOI: 10.12809/hkjr1615312

Objective: To evaluate the efficacy of magnetic resonance imaging (MRI)–directed targeted transrectal ultrasound

Testicular Lymphoma: Clinical and Imaging Features

Full Article

N Pattamapaspong, K Khomarwut, C Ya-In, B Lojanapiwat, M Muttarak

Hong Kong J Radiol 2016;19:4-9

DOI: 10.12809/hkjr1615350

Objective: To review the clinical presentation and imaging features of testicular lymphoma.

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