Journal

Progressive Multifocal Leukoencephalopathy in a Child as First Manifestation of Congenital Human Immunodeficiency Virus Infection

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

Multiple Intracranial Vascular Anomalies in a Patient with Hypoplasia/aplasia of the Internal Carotid Arteries, Moyamoya Collateralisation, and Aneurysms of the Posterior Fossa Circulation

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

Decubital Ischaemic Fasciitis: a Rare Pseudosarcoma

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

Colonic Perforation during Percutaneous Nephrolithotomy Treated Conservatively

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

Bone Metastasis as the First Presentation of Hepatocellular Carcinoma

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

Radiation Dose Survey: Comparison between New-generation Computed Tomography and 64-slice Multidetector Computed Tomography

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

Magnetic Resonance Imaging Measurements of Optic Sheath to Optic Nerve Diameter Ratio for the Diagnosis of Idiopathic Intracranial Hypertension

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

Mortality within 30 Days for Patients Older than 70 Years Receiving Chemotherapy: a Single-institution Retrospective Analysis

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

Primary Retroperitoneal Mucinous Cystadenoma in a 52-year-old Man

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

Laryngeal Papillomatosis with Pulmonary Spread: Case Report and Review

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

Multidetector Computed Tomography in the Diagnosis of Pulmonary Sling: Case Report

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

Interstitial Lung Changes in Sjogren’s Syndrome: Report of 3 Cases

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

Teratoma in the Region of an Adrenal Gland in a 77-year-old Man

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

Computed Tomography Colonoscopy with Faecal Tagging in the Detection of Colorectal Tumours: Report of Local Experience

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

Effect of Cranial Irradiation on Pituitary Size in Patients Cured of Acute Lymphoblastic Leukaemia: Retrospective Study

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

Ultrasound-guided Percutaneous Galactography

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

Concomitant Late Type II Endoleak with Recanalised Internal Iliac Artery and Type III Endoleak after Endovascular Aneurysm Repair of Aortoiliac Aneurysm

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

Intrauterine Foetal Subdural Haemorrhage Visible on Computed Tomography Scan

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

Spinal Angiolipoma

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

Alpha-Foetoprotein-producing Primary Rectal Adenocarcinoma

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,

Amyloid Arthropathy - a Cause of an Asymptomatic Hip Mass

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

Long-term Results for Postoperative Radiotherapy Following Radical Hysterectomy for Stage IB Cervix Cancer

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.

Microcalcifications on Screening Mammograms - Can Recall for Magnification View be Replaced by Analogue Magnification Using a Video Visualiser and Television?

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

Puerperal Ovarian Vein Thrombosis

Full Article

MMP Tong, AWH Ng, EHY Hung

Hong Kong J Radiol 2009;11:186-9

Puerperal ovarian vein thrombosis is an uncommon disease. This report describes a 37-year-old woman who presented with postpartum fever and right lower abdominal pain. Multidetector computed tomography scan showed extensive right ovarian vein thrombosis with

Haglund Syndrome - a Characteristic Cause of Posterior Heel Pain

Full Article

EHY Hung, WK Kwok, MMP Tong

Hong Kong J Radiol 2009;11:183-5

This report is of a 48-year-old man with a painful swelling of the left heel, who was diagnosed with Haglund syndrome. The characteristic radiographical and magnetic resonance imaging features are described.

An Unusual Cause of Spinal Cord Myelopathy

Full Article

CP Ding, J George, K Jayarani, P Jayalakshmi

Hong Kong J Radiol 2009;11:179-82

Brown tumour (osteitis fibrosa cystica) occurring in the spine causing myelopathy is rare. This report is of a man with brown tumour of the spine, who presented with sudden backache and progressive lower limb weakness leading to a preliminary diagnosis of metastasis.

The Role of Chemical Shift Magnetic Resonance Imaging in the Diagnosis of Focal Fatty Replacement of the Pancreas

Full Article

HS Fung, S Lau, KS Tse, JWC Wai, WK Wong, KW Tang, SCH Chan

Hong Kong J Radiol 2009;11:176-8

Focal fatty replacement of the pancreas is a rare benign disease that has been associated with obesity, diabetes mellitus, chronic pancreatitis, hereditary pancreatitis, and obstruction of the pancreatic duct. This report of a 48-year-old woman with focal fatty

Bone Metastases from Gastrointestinal Stromal Tumour: Correlation with Positron Emission Tomography - VComputed Tomography

Full Article

TYC Chu, CS Wong

Hong Kong J Radiol 2009;11:172-5

Bone metastasis from gastrointestinal stromal tumour is a rare outcome of this uncommon disease. This report is of a 73-year-old man with gastrointestinal stromal tumour who developed bone metastases after complete tumour resection. The condition is worthy of

An Unusual Presentation of Acute Appendicitis Complicated by Portal and Mesenteric Thrombophlebitis

Full Article

V Lai, HY Lau, WC Chan, CS Wong

Hong Kong J Radiol 2009;11:168-71

Portal and mesenteric thrombophlebitis is a well-documented but rare complication of acute appendicitis. The condition is caused by ascending infection and is potentially life threatening. Prompt diagnosis and treatment with surgery, antibiotics, and anticoagulants are

Pulmonary Epithelioid Haemangioendothelioma

Full Article

JSF Shum, SSW Lo, CWH Yeung, TM Chan, NL Sy, CS Cheng, KY Lau

Hong Kong J Radiol 2009;11:164-7

This report is of a patient with pulmonary epithelioid haemangioendothelioma, a rare neoplasm. This report highlights the potential multicentric nature of this disease, which can be easily mistaken for widespread metastasis of unknown primary or granulomatous