Vol. 4, No. 3, 2001

Table of Contents


ORIGINAL ARTICLES

Lens Exclusion in Computed Tomography Scans of the Brain—The Local Practice

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,

The Sphenoid Sinuses: Computed Tomographic Assessment of Septation, Relationship to the Internal Carotid Arteries, and Sidewall Thickness in the Malaysian Population

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

Radiotherapy for Major Salivary Gland Carcinoma: A Single Institution Experience

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

Thoracic Lymphadenopathy in Sarcoidosis: Distribution Pattern Among Chinese Patients in Hong Kong

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

Malignant Spinal Cord Compression Treated with Palliative Radiotherapy: The Prince of Wales Hospital Experience

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

TECHNICAL NOTE

Computed Tomography of Paediatric Atlanto-axial Rotatory Subluxation: The Multiple Image Addition Method

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

CASE REPORTS

Imaging of Merkel Cell Carcinoma

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,

Pleuropulmonary Blastoma in an Infant Presenting with Tension Pneumothorax

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

HOW I DO IT

Focused Abdominal Sonography in Trauma

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,

Recanalization of Superficial Femoral Artery Occlusion—The Subintimal Approach

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

IMAGING PATHOLOGICAL CORRELATION

Type IV Posterior Dislocation of the Acromioclavicular Joint

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

Tarsal Tunnel Syndrome Secondary to a Ganglion

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

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