Case Reports

Kommerell's Diverticulum and Stenosis of an Aberrant Left Subclavian Artery

H Ravikumar, S Govil, A Kalyanpur

Hong Kong J Radiol 2006;9:41-3

Left aortic arch with an aberrant right subclavian artery is the most common anomaly of the aortic arch. Other rare anomalies include the occurrence of a right aortic arch with an aberrant left subclavian artery that has a diverticulum

Life-threatening Spontaneous Extraperitoneal Haemorrhage Secondary to Anticoagulant Therapy and its Management with Transcatheter Embolisation

MKW Yang, JYH Hui, WC Fan, JCS Chan

Hong Kong J Radiol 2006;9:36-40

This report is of 2 patients with unstable spontaneous extraperitoneal haemorrhage secondary to anticoagulant therapy. Active contrast extravasations were demonstrated on spiral computed tomography and angiograms, which is possibly a predictive factor for failure of conservative treatment. One patient had

Differential Uptake of Technetium-99m Methoxy-isobutyl-isonitrile in Follicular Lymphoma and Parathyroid Adenoma

MA Taher, V Warbey, JR Buscombe, AJW Hilson

Hong Kong J Radiol 2006;9:33-5

A patient with follicular lymphoma underwent computed tomography, which showed enlarged lymph nodes and a small soft tissue mass in front of the lower part of the trachea raising the suspicion of thyroid or parathyroid adenoma. A dual-phase single-photon emission

Solitary Fibrous Tumour of the Pleura Presenting as Mediastinal or Interfissural Masses

WH Kwan, L Chu, WH Yeung, JLS Khoo

Hong Kong J Radiol 2006;9:28-32

Solitary fibrous tumour of the pleura is an uncommon primary pleural neoplasm. Awareness about imaging findings is important for early detection. This report is of 2 patients with solitary fibrous tumour of the pleura in atypical locations. The first patient

Chondroblastoma of the Spine Presenting with Tetraparesis

JJ Kasthoori, ML Wastie

Hong Kong J Radiol 2006;9:24-7

Chondroblastoma of the vertebra is a rare condition. Only 26 cases have been reported in the literature; almost all of them involved the anterior and posterior component, with the exception of 1, which involved only the anterior element. There has not

Therapeutic Embolisation for Right Renal Arteriovenous Malformation

TK Tsang, CM Chan, MK Chan, AKH Lai, WK Wong

Hong Kong J Radiol 2006;9:21-3

Renal arteriovenous malformations are abnormal communications between the intrarenal arterial and venous systems. These malformations are either congenital or acquired (often by iatrogenic means). Renal arteriovenous malformations are usually identified during the evaluation of gross haematuria. Treatment can be tailored

A Large Pontine Capillary Telangiectasia Detected by Susceptibility-weighted Imaging But Inconspicuous on Diffusionweighted Imaging

Full Article

HKAK Sadana, TA Lim

Hong Kong J Radiol 2010;12:190-3

A case of symptomatic pontine capillary telangiectasia detected by susceptibility-weighted imaging is reported. The lesion was inconspicuous on diffusion-weighted imaging. To our knowledge there is only limited literature emphasising the diagnostic utility of

Unilateral Twin Ectopic Pregnancy

Full Article

M George, S Nadarajah, CL Ong

Hong Kong J Radiol 2010;12:186-9

Unilateral twin ectopic pregnancy is a rare condition and only about 100 cases have been reported in the literature. In this article, we present a case of twin ectopic pregnancy in the left fallopian tube. A 38-year-old woman who had in-vitro fertilisation came to our

Unilateral Arteriovenous Malformation Associated with Moyamoya Disease

Full Article

PD Chan, K Rahmat, N Ramli, KA Kadir

Hong Kong J Radiol 2010;12:182-5

The presence of moyamoya disease with a brain arteriovenous malformation is extremely rare. The high incidence of morbidity in such cases suggests that this combination of features confers an ominous outlook, whilst the association between these two entities remains

Coats’ Disease Mimicking Retinoblastoma in a Three-year-old Boy with Known Acute Lymphoid Leukaemia

Full Article

DD Rasalkar, WCW Chu, BK Paunipagar

Hong Kong J Radiol 2010;12:178-81

Coats’ disease and retinoblastoma are the two common types of orbital pathology in young children. These two conditions are prognostically different but have overlapping imaging features. We present a case of proven Coats’ disease to illustrate the specific

Heavily Mineralised Malignant Synovial Sarcoma Mimicking a Benign Extraskeletal Chondroma

Full Article

HT Tam, WH Ng, KC Wong, JF Griffith

Hong Kong J Radiol 2010;12:174-7

A 15-year-old boy presented with a 6-month history of painful wrist swelling. Radiographs, computed tomography, and magnetic resonance imaging revealed a heavily calcified extra-osseous soft tissue mass considered to be a benign chondroma. In view of the

Interruption of Pulmonary Artery

Full Article

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

Hong Kong J Radiol 2010;12:170-3

Congenital interruption of the pulmonary artery is a rare condition. We present a case of isolated interruption of the right pulmonary artery in a young girl and a case of interruption of the left pulmonary artery associated with Tetralogy of Fallot in an adult male. The

Inadvertent Perithrombus Deployment of OptEase Vena Cava Filter: Use of Double-filter Technique for Pulmonary Embolism Protection during Retrieval of Malpositioned Filter

Full Article

U Pua

Hong Kong J Radiol 2010;12:166-9

We describe a patient with inadvertent perithrombus deployment of an inferior vena cava filter and illustrate the use of the double-filter technique in affording pulmonary embolism protection during retrieval of the malpositioned filter.

Spinal Subdural Enhancement Mimicking Metastases Following Suboccipital Craniotomy

Full Article

DD Rasalkar, WCW Chu, DYW Siu, BK Paunipagar, HT Wong, XL Zhu

Hong Kong J Radiol 2010;12:162-5

A 14-month-old boy underwent suboccipital craniotomy for cerebellar tumour. Magnetic resonance screening of the spine a day after the craniotomy revealed striking spinal subdural enhancement in the thoraco-lumbar region. The differential diagnosis included