Journal

Full Article

CY Cheung, B Lo, PP Iu

Hong Kong J Radiol 2009;12:64-7

A 50-year-old man suddenly collapsed at home following an acute episode of severe headache. At admission, his consciousness level was 4/15 on the Glasgow Coma Scale. Urgent computed tomography of the brain showed a large enhancing suprasellar mass.

Full Article

EMW Man, WK Chau, JLS Khoo

Hong Kong J Radiol 2009;12:60-3

This report describes a patient with jejunal volvulus leading to both afferent and efferent loop obstruction. The patient had a history of Roux-en Y reconstruction after left lateral hepatic segmentectomy for recurrent pyogenic cholangitis. The clinical picture and computed

Full Article

TYC Chu, CS Wong, WS Mak, KF Ma, LF Cheng

Hong Kong J Radiol 2009;12:57-9

Objective: Small bowel follow-through examination with Gastrografin (diatrizoate meglumine and diatrizoate sodium solution) is important for delineating the cause of small bowel obstruction. However, whether the standard protocol should include the 24-hour

Full Article

WSW Chan, DHY Cho, SSH Chiu, WL Poon, SK Kei, SH Luk

Hong Kong J Radiol 2009;12:53-6

Objective: This study was performed to assess the treatment effectiveness and safety of percutaneous radiofrequency ablation of hepatocellular carcinoma in a regional hospital.

Methods: This was a retrospective review of percutaneous radiofrequency ablation

Full Article

U Sivarajan, KJ Jayapragasam, YF Abdul Aziz, K Rahmat, SI Bux

Hong Kong J Radiol 2009;12:43-52

Objective: To correlate the qualitative and quantitative characteristics of breast lesions on magnetic resonance imaging with histopathology.

Methods: Diagnostic dynamic contrast-enhanced magnetic resonance imaging of the breast was performed

Full Article

KY Kwok, SSM Lo, TK Tsang, TW Fan, TL Kwan

Hong Kong J Radiol 2010;12:139-42

Persistent stapedial artery is a rare congenital anomaly that has significant implications for middle ear operations. This report presents the imaging features — computed tomography and magnetic resonance imaging — of persistent stapedial artery in a child with Noonan

Full Article

KY Kwok, SSM Lo, HS Fung, TW Fan, WK Wong

Hong Kong J Radiol 2010;12:136-8

Mesenteric phlebosclerosis is also known as phlebosclerotic colitis. Mesenteric phlebosclerosis is a rare disease related to non–thrombotic stenosis or occlusion of mesenteric veins, which can lead to subsequent ischaemic colitis. This report presents the

Full Article

DD Rasalkar, WCW Chu, BK Paunipagar, ELW Fung

Hong Kong J Radiol 2010;12:131-5

This report is of a 13-year-old girl who presented with progressive multifocal leukoencephalopathy as the first manifestation of congenital human immunodeficiency virus infection. Progressive multifocal leukoencephalopathy is a severe demyelinating disease of

Full Article

DD Rasalkar, WCW Chu, BK Paunipagar

Hong Kong J Radiol 2010;12:127-30

Bilateral agenesis, aplasia, and hypoplasia of the internal carotid arteries are rare congenital anomalies that are associated with aneurysms of the circle of Willis and dolichoectasia of the vertebrobasilar system. This report of a patient with ruptured posterior fossa

Full Article

CK So, OC Li, SK Kei, MK Yuen

Hong Kong J Radiol 2010;12:122-6

This report is of a patient with decubital ischaemic fasciitis. A 64-year-old woman presented with a right buttock mass for 1 month. She had a past history of a malignant fibrous histiocytoma at the right forearm, which had been treated. Ultrasound and magnetic

Full Article

M Tan, P Uei, PS Jaywantraj, D Wong

Hong Kong J Radiol 2010;12:117-21

Colonic perforation is a rare complication occurring during percutaneous nephrostomy. This report describes a patient with this complication, which was clinically silent. The patient was treated by conversion of the nephrostomy to a colostomy, followed by

Full Article

KW Leung, JLY Leung, ANL Sy, CS Cheng, KF Chan

Hong Kong J Radiol 2010;12:113-6

This report is of a patient with multifocal bilobar hepatocellular carcinoma who presented with bone pain related to bone metastasis. Radiograph of the pelvis showed an expansile osteolytic bone lesion in the right superior pubic ramus. Review of the literature

Full Article

GG Lo, JKF Chan, CW Lau, H Geng, SK Yu

Hong Kong J Radiol 2010;12:107-12

Objective: To evaluate the radiation dose benefit of new-generation computed tomography compared with 64-slice multidetector computed tomography.

Methods: In this retrospective study, the radiation doses for patients undergoing new-generation computed tomography

Full Article

SS Lingawi

Hong Kong J Radiol 2010;12:103-6

Objective: To evaluate the usefulness of optic sheath–optic nerve diameter ratio for the diagnosis of idiopathic intracranial hypertension.

Methods: This study included 45 patients with idiopathic intracranial hypertension and 19 healthy volunteers as a control

Full Article

RB Goody, ES Choong, J Calderwood, SJM Law, G Mazdai, GG Hanna, JJA McAleer

Hong Kong J Radiol 2010;12:95-102

Objective: The average life expectancy in western populations is increasing, as is the incidence of malignancy in older people. Historically, most chemotherapy clinical trials exclude patients older than 70 years from enrolment, so information on complications

KKT Lai, YYR Chan, ACW Chin, WF Ng, YHH Huang, YLM Mak, WC Wong

Hong Kong J Radiol 2004;7:223-5

A case of primary retroperitoneal mucinous cystadenoma in a male patient is presented. The pathogenesis and computed tomographic imaging features of this rare lesion are briefly discussed. Although it is difficult to make an accurate preoperative diagnosis and to predict

FCY Lam, TK Tsang, HS Fung, MW Wai, TL Kwan, SCH Chan

Hong Kong J Radiol 2004;7:219-22

Laryngeal papillomatosis is the most common benign tumour that affects the larynx in children. It is well known for its strong tendency to recur. Spread of the disease to the lung parenchyma is rare. There have been only a few

CH Tok, SA Sarji

Hong Kong J Radiol 2004;7:215-8

Pulmonary artery sling is a rare developmental vascular abnormality. In this abnormality, the left pulmonary artery arises from the right pulmonary artery, courses between the trachea and oesophagus, and forms a sling around the distal trachea. This arrangement gives

FCY Lam, TL Kwan, AKH Lai, TS To, HHL Chau

Hong Kong J Radiol 2004;7:210-4

Sjögren’s syndrome is a chronic autoimmune inflammatory disease. It more commonly affects women than men, in the fourth and fifth decades of life. The syndrome is characterised by a clinical triad of dry eyes, dry mouth, and arthritis. It may occur as a primary disorder or as a secondary disorder in association with another connective tissue disorder, most often rheumatoid arthritis. Patients with

JPK Hui, WH Luk, CW Siu, JCS Chan

Hong Kong J Radiol 2004;7:206-9

Teratoma in the region of an adrenal gland is an uncommon retroperitoneal tumour. Only a few cases — mostly in young patients — have been reported. This case report describes such a tumour in a 77-year-old man who presented with acute urine

WH Kwan, WK Chau, WH Yeung, KP Wong, WK Kwok, TM Chan, J Khoo

Hong Kong J Radiol 2004;7:199-205

Objective: To determine the sensitivity and specificity of computed tomography colonoscopy with faecal tagging in the detection of colorectal polyps, adenomas, and carcinomas, with colonoscopy as the reference method.

Patients and Methods: A total of 51 patients underwent computed tomography

KK Shing, D Roebuck, MP Yuen, KW Chik, CK Li, YL Chan

Hong Kong J Radiol 2004;7:195-8

Objective: To evaluate the pituitary glands of patients previously treated for acute lymphoblastic leukaemia with cranial irradiation.

Patients and Methods: Thirty nine patients who were cured of acute lymphoblastic leukaemia and who were regularly followed up from 1979 to 1992

Full Article

SHM Wong, TPW Lam, WK Tso

Hong Kong J Radiol 2009;12:31-5

Galactography is an excellent tool for delineating and locating the cause of nipple discharge. The conventional approach involves cannulation of the secreting duct, followed by injection of contrast. However, it is sometimes difficult to identify the discharging duct

Full Article

WSW Chan, WL Poon, DHY Cho, SH Luk

Hong Kong J Radiol 2009;12:27-30

An 86-year-old patient with infrarenal abdominal aortic aneurysm and right common iliac artery aneurysm was treated with endovascular aneurysm repair with an endograft after internal iliac artery embolisation with coils, followed by cross-femoral bypass

Full Article

KY Kwok, SSM Lo, SQH Chou, KS Tse, YL Cheung

Hong Kong J Radiol 2009;12:24-6

Traumatic intrauterine foetal subdural haemorrhage is a rare condition. It is unusual to diagnose this condition by computed tomography scan because of the ionizing radiation hazard. This report describes the radiological findings of intrauterine foetal subdural

Full Article

R Koul, A Dubey

Hong Kong J Radiol 2009;12:20-3

Spinal angiolipomas are rare benign tumours composed of mature lipocytes admixed with abnormal blood vessels. Spinal angiolipomas account for 0.14% to 1.20% of all spinal axis tumours and 2% to 3% of extradural spinal tumours. Extradural tumours usually

Full Article

R Koul, R Senno, A Dubey

Hong Kong J Radiol 2009;12:16-9

This report is of a 44-year-old woman with an alpha-foetoprotein–producing rectal adenocarcinoma. At presentation, her serum alpha-foetoprotein was 158,334 μg/L, and investigation excluded other causes, such as gynaecological malignancy, hepatocellular carcinoma,

Full Article

G Soo, KK Lau

Hong Kong J Radiol 2009;12:12-5

Dialysis-related beta-2-microglobulin amyloidosis is a well-recognised complication of long-term haemodialysis. The joints are preferentially affected. Most patients with amyloid arthropathy are asymptomatic, with the first symptom usually presenting as a highly

Full Article

KB Smith, RJ Amdur, AR Yeung, CG Morris, J Kirwan, L Morgan

Hong Kong J Radiol 2009;12:8-11

Objective: To evaluate the long-term outcomes of patients with stage IB cervix cancer who were selected for primary surgery because they were thought to be at low risk for needing postoperative radiotherapy following radical hysterectomy.

Full Article

WCW Wong, EYL Kan, CY Lui, GKF Tam, LK Chan, HS Lam

Hong Kong J Radiol 2009;12:3-7

Objective: To determine whether recall for magnification views for mammographic microcalcification can be replaced by analogue magnification using a video visualiser and standard television.

Methods: Mammograms of 141 patients that were positive for