Journal

WC Torreggiani, PL Munk, K Al-Ismail, JX O'Connell, S Nicolaou, MJ Lee, BA Masri

Hong Kong J Radiol 2001;4:160-3

Granular cell tumour is an uncommon neoplasm that generally has a benign behaviour. It typically occurs in the head and neck. The authors describe an unusual location of this tumour within the deltoid muscle of the arm.

WH Kwan, WH Yeung, TM Chan, CS Cheng

Hong Kong J Radiol 2001;4:157-9

Double pylorus denotes an accessory canal connecting the distal stomach to the duodenal cap. It is usually an acquired condition associated with peptic ulcer disease at or before the time of fistula formation. We report a patient with double pylorus

MSM Chan, YC Wong, AC Lee, PC Lau

Hong Kong J Radiol 2001;4:153-6

The case of a 9-year-old boy who developed acute neurological complications soon after varicella infection is reported. Computed tomography and magnetic resonance imaging showed bilateral basal ganglia lesions, which almost completely resolved on follow-up scans. There has been little previous

WC Torreggiani, ID Lyburn, AC Harris, S Nicolaou

Hong Kong J Radiol 2001;4:150-2

Partial lipodystrophy is a disease in which body fat is lost in an unusual distribution, with patients often having a typically gaunt facial appearance. The disease is sometimes seen in association with mesangiocapillary glomerulonephritis type 2. We describe the computerised

SK Yu, CM Kung, YK Cheung, CF Ip, TL Chan, E Tsui

Hong Kong J Radiol 2001;4:146-9

Objectives: To determine the total dose-area product values for barium enema examinations; to determine the major dose contributor and to propose methods for reduction of patient dose without affecting the diagnostic values of the examination; and to compare the results

HPS Wai, RMW Yeung, WM Sze, TK Yau, AWM Lee

Hong Kong J Radiol 2001;4:143-5

Superior vena cava obstruction is, in the majority of patients, due to the presence of a malignant tumour within the mediastinum, i.e. lung cancer and lymphoma. It is usually highly responsive to radiotherapy, regardless of the underlying tumour

BJJ Abdullah, KH Ng, P Rassiah

Hong Kong J Radiol 2001;4:133-6

Objective: To compare the dose area product, effective dose, and image quality of hysterosalpingography using conventional and high kilovolt techniques.

Patients and Methods: Image quality and patient dose were assessed for hysterosalpingography examinations performed on 30 patients at the University

KH Yu

Hong Kong J Radiol 2001;4:128-32

Primary nasal lymphoma is a rare disease. It shows significant variability in incidence and immunophenotypic characteristics among different geographic areas. It is relatively common, among the Chinese people and more than half of the lesions are of

CC Tong

Hong Kong J Radiol 2001;4:122-7

Polycythemia vera is a clonal myeloproliferative disorder. The Polycythemia Vera Study Group was established in 1967; its earliest accomplishment was to create a set of diagnostic criteria for polycythemia vera that have since proven their value. The Polycythemia Vera Study

JM Henk

Hong Kong J Radiol 2001;4:119-21

The management of laryngeal cancer is reviewed in the context of the Clinical Practice Guidelines of the Coordination Committee in Clinical Oncology of the Hospital Authority. The relative merits of surgery and radiotherapy for various tumour stages is discussed. Chemotherapy

WM Mendenhall, RJ Amdur

Hong Kong J Radiol 2001;4:116-8

Surgery and radiation therapy are the main treatment modalities for laryngeal cancer, although patients with unfavourable disease may require a combination of radiotherapy and chemotherapy. Computed tomography or magnetic resonance imaging is required to stage the cancer and decide on

KS Yu, MF Lee, LF Chau

Hong Kong J Radiol 2001;4:234-7

A case of tarsal tunnel syndrome secondary to a ganglion is described. Both ultrasonography and magnetic resonance imaging clearly showed the presence of a ganglion compressing the medial plantar nerve within the tarsal tunnel. The detection of a space-occupying

KS Yu, MF Lee, LF Chau

Hong Kong J Radiol 2001;4:231-3

A case of type IV injury of the right acromioclavicular joint dislocation is described Detection of a type IV injury is important because surgery is advised. Computed tomography scanning is necessary to confirm the clinical suspicion of a type IV

TKL Loke

Hong Kong J Radiol 2001;4:226-30

The technique of subintimal angioplasty or percutaneous intentional extra luminal angioplasty for recanalization of femoropopliteal occlusions in critical limb ischaemia is described in detail. Various indications and contraindications are outlined. The technique is easy to learn and offers a high

SS Lingawi

Hong Kong J Radiol 2001;4:222-5

Clinical assessment of the abdomen for possible intra-abdominal injury following blunt abdominal trauma is often unreliable, due to decreased patient consciousness, neurological deficits, medications, or other associated injuries. Diagnostic peritoneal lavage is superior to clinical examination in assessing abdominal injuries,

JLY Leung, JPY Tsao, AKH Lai, TW Fan, SCH Chan

Hong Kong J Radiol 2001;4:219-21

Pleuropulmonary blastoma is one of the rarest tumours occurring in childhood. The pathogenesis and therapeutic management of this condition remain controversial. We report the case of an 8-month-old girl with cystic pleuropulmonary blastoma (type 1), presenting with respiratory distress and

CR Jayakumar, AF Hussain

Hong Kong J Radiol 2001;4:213-8

Merkel's cell carcinoma is a rare, primary cutaneous, neuroendocrine tumour that is locally aggressive and has potential for metastatic spread. A 39-year-old female patient with biopsy-proven Merkel's cell carcinoma of the lower extremity is described with regard to tumour size,

K Wang, TKL Loke

Hong Kong J Radiol 2001;4:209-12

Paediatric atlanto-axial rotatory subluxation is an uncommon condition which may be catastrophic, even after minor trauma, if it is not recognised promptly. Many imaging methods may be used to diagnose the condition, but there is still no consensus as to

LC Wong, P Choi

Hong Kong J Radiol 2001;4:202-8

Objective: To assess the functional outcome and survival of patients with malignant spinal cord compression following palliative radiotherapy, with or without surgery.

Materials and Methods: Medical records of 50 patients with malignant spinal cord compression, scheduled for palliative radiotherapy between

WH Kwan, WH Kwok, WH Yeung, CS Cheng

Hong Kong J Radiol 2001;4:196-201

Objective: To investigate the distribution of thoracic lymphadenopathy in Chinese patients presenting with sarcoidosis.

Materials and Methods: Four patients with sarcoidosis (2 male and 2 female with a mean age of 35.2 years) were diagnosed at Ruttonjee Hospital from 1994

KH Au, TS Choy, KC Ngan

Hong Kong J Radiol 2001;4:189-95

Objective: To evaluate the outcome and natural history of patients with major salivary gland carcinomas treated at Queen Elizabeth Hospital between 1982 and 1998.

Patients and Methods: The records of 111 patients with major salivary gland carcinomas who were referred

BJ Abdullah, S Arasaratnam, G Kumar, K Gopala

Hong Kong J Radiol 2001;4:185-8

Objective: To evaluate the septation, wall thickness, and relationship of the sphenoid sinuses to the internal carotid arteries on computed tomography.

Methods: Seventy patients with normal sphenoid sinuses were evaluated. Scans were done in both axial and coronal planes. The number

KF Lai, YK Cheung, CB Tan, E Tsui, SK Yu

Hong Kong J Radiol 2001;4:181-4

Objectives: To review protocols used in Hong Kong public hospitals for computed tomography brain scans, with a view to highlighting potential radiation damage to the lens with particular scanning planes.

Methods: Following a survey of radiological practice in 8 local hospitals,

HL Chau, CM Chan, WM Pong, TC Tan, JY Cheung, SC Chan

Hong Kong J Radiol 2001;4:297-306

The case of a 45-year-old Chinese man with coexisting intracranial tumours is reported. Following presentation with left hemiparesis, computed tomography and magnetic resonance imaging of the patient’s brain identified a large, soft tissue mass, with massive oedema in the adjacent

WK Kan, KY Lau, WT Fung, KH Fung

Hong Kong J Radiol 2001;4:294-6

Arterio-portal fistula may develop at the biopsy site after percutaneous liver biopsy and demonstrates a characteristic appearance on angiography and Lipiodol computed tomography scan of the liver performed shortly after the biopsy. Radiologists should be familiar with these findings in

MYF Wong , WK Chau

Hong Kong J Radiol 2001;4:291-3

Appendiceal diverticulosis is a rare entity. An inflamed appendix has a higher perforation rate if associated with diverticulitis. Barium enema and computed tomography are useful in demonstrating this lesion and its associated complications. This article describes the radiographic findings in a

JYH Hui, KKL Lo, J Lo, MLM Chan, JCS Chan

Hong Kong J Radiol 2001;4:288-90

Two cases of hepatic perforation with total parenteral nutrition ascites and hepatic calcification, are reported. Hepatic perforation is a rare complication of umbilical venous catheterisation, resulting in intraperitoneal extravasation of the total parenteral nutrition fluid.

WC Torreggiani, DW Struk, K Al-Ismail, PL Munk, K Evans, JX O’Connell

Hong Kong J Radiol 2001;4:284-7

Parosteal osteosarcomas are uncommon neoplasms that typically affect the long bones. Primary involvement of a rib is very rare. The imaging features of a parosteal osteosarcoma involving a rib are described, including the magnetic resonance imaging features, which have not

WWM Lam, NMC So

Hong Kong J Radiol 2001;4:281-3

Intraspinal intradural lipomas are rare congenital tumours. This case report describes a patient with an intramedullary cervicothoracic lipoma, demonstrated on magnetic resonance imaging and treated by subtotal resection and laminectomy. The clinical and pathological features of the case are discussed.

MWC Yiu, DV Le, Y Leung, CGC Ooi

Hong Kong J Radiol 2001;4:277-80

We report a case of isolated unilateral absence of the pulmonary artery, a rare congenital anomaly, in a woman with exertional dyspnoea. The chest radiograph appearances of this anomaly are often mistaken for other conditions, such as Swyer-James-MacLeod’s syndrome or