Case Reports

Intraductal Papillary Mucinous Tumour of the Bile Ducts

EPY Fung, WH Luk, S Lau, TK Loke, JCS Chan

Hong Kong J Radiol 2003;6:214-6

This report is of a rare case of intraductal papillary mucinous tumour of the bile ducts. As diffuse biliary duct dilatation can be the only radiological finding, it may be difficult to differentiate this condition from recurrent pyogenic cholangitis which

Carotid Artery Occlusion in a Patient with Intracranial Rosai-Dorfman Disease

JLY Leung, JYL Cheung, TC Tan, KW Tang, CM Chan, LC Ho, SCH Chan

Hong Kong J Radiol 2003;6:211-3

Intracranial involvement of Rosai-Dorfman disease is rare. Central nervous system involvement occurs in less than 5% of patients. To date, there have only been 52 patients with this condition reported in 41 articles. This report is of a patient with

Solitary Fibrous Tumour of the Urinary Bladder

FCY Lam, JLY Leung, PWY Lam, TL Kwan

Hong Kong J Radiol 2003;6:208-10

Solitary fibrous tumour is an uncommon fibrous neoplasm. It was first described in the pleura, although extrapleural sites have also been reported. Solitary fibrous tumour arising from the urinary tract is rare. This report is of a patient with solitary

Type IV Spinal Arteriovenous Malformation in a Child

A Li, YYR Chan, CY Lui, S Lau, KL Mak, HS Lam

Hong Kong J Radiol 2003;6:204-7

A 4-year-old boy presented with motor weakness and was subsequently found to have intraspinal extramedullary arteriovenous malformation (type IV C arteriovenous malformation) at the cervical region. Angiographic embolisation was performed. This patient illustrates the clinical inconspicuousness of spinal arteriovenous malformation

Abdominal Cocoon Syndrome

S Ranganathan, BJJ Abdullah, V Sivanesaratnam

Hong Kong J Radiol 2003;6:201-3

The abdominal cocoon syndrome was first described as a rare condition where part of or the whole small bowel is encased within a fibrous membrane. This report is of a 25-year-old Chinese woman who presented with increasing abdominal distension and

Kasaback-Merritt Syndrome Treated by Transarterial Embolisation of Giant Cavernous Haemangioma

EPY Fung, WH Luk, TK Loke, JCS Chan

Hong Kong J Radiol 2003;6:162-4

Cavernous haemangiomas of the liver are the most common benign tumours of the liver. With modern imaging modalities, haemangiomas are detected more frequently. This report describes a patient with a giant cavernous haemangioma with consumptive coagulopathy that was successfully treated

Vertebral Artery Dissection in a 5-year-old Child: Serial Magnetic Resonance Angiography Appearance

TW Fan, KW Tang, KF Chan, SP Wu

Hong Kong J Radiol 2003;6:158-61

This report is of a 5-year-old boy presenting with complex partial seizures. These were subsequently found to be due to vertebral artery dissection by magnetic resonance imaging and contrast-enhanced magnetic resonance angiography. Serial changes of contrast-enhanced magnetic resonance angiography

An Unusual Case of Pure Germinoma in a Patient With Tourette's Syndrome

HD Pacholke, DW Pincus, NP Mendenhall

Hong Kong J Radiol 2003;6:155-7

Tourette’s syndrome is a rare, neuropsychiatric disorder of complex aetiology. Although the exact mechanism is not completely understood, neuroendocrine dysfunction is related to the pathogenesis of Tourette’s syndrome. Clinical characteristics of the disorder, including motor tics and coprolalia, are associated

Fine Needle Aspiration Biopsy in the Diagnosis of Disseminated Histoplasmosis of the Adrenal Glands

A Vijayananthan, BJJ Abdullah, SP Chan

Hong Kong J Radiol 2003;6:152-4

Disseminated histoplasmosis is a rare and potentially fatal disease caused by the dimorphic soil fungus Histoplasma capsulatum. This report is of a 66-year-old man who was initially diagnosed with a tooth abscess that was revealed to be histoplasmosis at biopsy.

Intra-abdominal Desmoid Tumour

KKT Lai, YYR Chan, HCE Chan, CWA Chin

Hong Kong J Radiol 2003;6:97-9

A patient with a rapidly growing post-traumatic intra-abdominal desmoid tumour is presented. Although desmoid is classified pathologically as a benign tumour, its infiltrative nature leads to a locally aggressive mass with a high recurrence rate after surgical treatment. In view

Retroperitoneal Lymphangioma in an Adult

IYF Chan, J Khoo

Hong Kong J Radiol 2003;6:94-6

Retroperitoneal lymphangioma is a rare benign congenital malformation of lymphatic channels. This report is of a 51-year-old man with an incidental finding of retroperitoneal lymphangioma.

Vascular Complications of Ehlers-Danlos Syndrome in Young Chinese Adults

WH Luk, EPY Fung, K Wang, JCS Chan

Hong Kong J Radiol 2003;6:90-3

Arterial dissection is uncommon in young adults and there are usually underlying causes. This report describes 2 young patients with vascular complications after trivial injury who were diagnosed to have Ehlers-Danlos syndrome. One patient died while the other remains in

Severe Arm Pain Preceding Life-threatening Reaction to Gadolinium—a Possible Warning Sign?

A Lqbal, CJ Roche

Hong Kong J Radiol 2003;6:40-1

Gadolinium-based contrast agents are used in selected patients for further characterisation of lesions. These contrast agents are safe for the vast majority of patients, although various adverse reactions to these agents have been reported with relatively few life-threatening reactions, especially

Computed Tomographic Diagnosis of Unsuspected Pericarditis

RT Dwyer, T Khalil

Hong Kong J Radiol 2003;6:36-9

There is a paucity of scientific literature regarding the utility of computed tomography in the diagnosis of acute pericarditis. This report may be the first in the English language literature to document a diagnosis of clinically unsuspected acute pericarditis made

Primary Tuberculosis of the Breast

JHF Yuen, TPW Lam, L Leong

Hong Kong J Radiol 2003;6:33-5

The mammographic and sonographic features of primary tuberculosis of the breast are discussed, alongside the presentation of a patient with this condition. A definitive diagnosis, based on imaging alone, can be difficult to make due to the variable patterns of

Uterine Lipoleimyoma: Ultrasound and Computed Tomography Findings

HHL Chan, MT Chau, CHL Lam, SCW Cheung

Hong Kong J Radiol 2003;6:30-2

Uterine lipoleiomyoma is a rare benign tumour, with only 8 cases reported in the radiological literature to date. It is easily misdiagnosed as an ovarian teratoma on radiological imaging studies. This report is of a patient with uterine lipoleiomyoma as