Case Reports

Primary Epiploic Appendagitis

A Li, S Lau, TKL Loke, JCS Chan

Hong Kong J Radiol 2004;7:81-3

Primary epiploic appendagitis is a benign self-limiting condition, which is not as rare as presumed. Computed tomography demonstrates characteristic features that enable correct diagnosis, thereby avoiding unnecessary treatment.

Bilateral Pyogenic Psoas Abscesses with Inferior Vena Cava Thrombosis

Full Article

S Ab Hamid, BJJ Abdullah

Hong Kong J Radiol 2008;11:44-6

Psoas abscess is a rare clinical entity. Rarely, it is associated with thrombosis of the inferior vena cava. This report is of a 36-year-old woman with bilateral pyogenic psoas abscesses with spondylodiscitis complicated by thrombosis of the inferior vena cava. The

Lupus Panniculitis of the Breast - Mammographic and Sonographic Features of a Rare Manifestation of Systemic Lupus

Full Article

CCM Cho, WCW Chu, APY Tang

Hong Kong J Radiol 2008;11:41-3

This report is of a 48-year-old woman with systemic lupus erythematosus, who presented with a lump in the left breast and was subsequently diagnosed with lupus mastitis. This is a rare presentation, and only 15 patients have been reported in the literature.

Foramen Magnum Papillary Meningioma: Review of Imaging and Histopathological Features

Full Article

J Hunjan, MYS Soo, T Ng, M Dexter

Hong Kong J Radiol 2008;11:35-40

This report is of a patient with foramen magnum papillary meningioma. The condition is rare and this report highlights its unusual 10-year clinical course. Angiographic features underestimated the extreme vascularity at the initial surgery when the diagnosis was

Maxillary Ameloblastic Carcinoma

Full Article

R Koul, A Binahmed, A Dubey, R Nason, AL Cooke

Hong Kong J Radiol 2008;11:32-4

Odontogenic carcinomas of the maxilla are classified as malignant ameloblastoma, ameloblastic carcinoma, or primary intraosseous carcinoma. The term ameloblastic carcinoma is used to describe those ameloblastomas in which there is histological evidence of

The Application of Proton Magnetic Resonance Spectroscopy and Cerebral Perfusion Single Photon Emission Computed Tomography for the Diagnosis of Frontotemporal Dementia in Brothers

Full Article

W Ki, YYP Lee, DLK Dai

Hong Kong J Radiol 2008;11:28-31

Extensive data have shown that magnetic resonance spectroscopy is valuable for the diagnosis of common dementias. Cerebral perfusion single photon emission computed tomography has proven characteristic perfusion defect patterns in patients with Alzheimer's

Unilateral Germinoma in the Basal Ganglia: Computed Tomography and Magnetic Resonance Imaging Findings

Full Article

KM Auyeung, PL Khong, HKF Mak, GCF Chan

Hong Kong J Radiol 2008;11:24-7

This report describes the clinical presentation and imaging findings of a young boy with an uncommon brain tumour, basal ganglia germinoma. The evolution of the tumour on magnetic resonance imaging is illustrated.

A Rare Benign Tumour—Intramuscular Myxoma

PN Chan, SF Lee, TC Chow, YL Chan

Hong Kong J Radiol 2004;7:40-3

This report is of a patient with intramuscular myxoma of the right subscapularis. The patient had a history of parotid lymphoma. The diagnosis was confirmed by computed tomography-guided biopsy. The biopsy was positive only when the enhanced solid component was

Sacrococcygeal Teratoma—Role of Ultrasound in Antenatal Diagnosis and Management

S Krishan, R Solanki, SK Sethi

Hong Kong J Radiol 2004;7:35-9

Sacrococcygeal teratomas are common congenital tumours that develop early in foetal life. Foetuses with this malformation are at risk for significant perinatal morbidity and mortality. This report demonstrates the role of foetal sonography in the diagnosis of sacrococcygeal teratoma

Fluoroscopic-guided Biopsy for Pathological Fracture of C2: Transoral Approach

Full Article

AKP Wu, Y Wong, YW Wong

Hong Kong J Radiol 2007;10:85-7

Biopsy of the cervical spine poses special problems because of the proximity to many vital organs with the potential for bleeding and damage to nerves and spinal structures. Although the transoral approach to the atlanto-axial region is generally an open surgical

Fibrolipomatous Hamartoma of the Median Nerve

Full Article

CK So, KF Tam, CY Lui, CM Lee

Hong Kong J Radiol 2007;10:81-4

This report is of a 64-year-old woman with a fibrolipomatous hamartoma of the median nerve who presented with recent enlargement of a right palm mass that had been present for more than 30 years. Magnetic resonance imaging demonstrated pathognomonic

Superior Mesenteric Arteriovenous Fistula: an Unusual Cause of Ascites

Full Article

KK Wong, JSW Wong, WK Tso, KS Tai

Hong Kong J Radiol 2007;10:77-80

Superior mesenteric arteriovenous fistulae are rare. They are usually associated with previous penetrating abdominal trauma or surgery. Patients may present with ascites or gastrointestinal bleeding. This report is of a patient with postoperative refractory ascites.

Myocardial Infarction with Ruptured Left Ventricle

Full Article

KY Kwok, KS Tse, SSM Lo, TK Tsang, AMW Wai, HS Fung, SCH Chan

Hong Kong J Radiol 2007;10:74-6

Myocardial rupture is one of the major complications of myocardial infarction. This report is of a patient with myocardial rupture complicating myocardial infarction. As well as reviewing the clinical details of myocardial rupture, the ability of contrast computed

Pyogenic Infection of the Sacroiliac Joint Complicated by Iliacus Abscess in a Paediatric Patient

Full Article

SK Kei, CC Chan, MK Yuen, JCS Chan

Hong Kong J Radiol 2007;10:70-3

Pyogenic sacroiliitis is a rare disease entity, comprising only 1% to 2% of cases of osteomyelitis and septic arthritis. Clinical symptoms and signs are usually non-specific and may result in delayed diagnosis. This report is of a 15-year-old girl with pyogenic sacroiliitis and

Peripheral Neuropathy: Clinical Diagnosis of POEMS Syndrome and Treatment with Radiotherapy

Full Article

AWY Ng, KK Yuen, SY Tung, SK O

Hong Kong J Radiol 2007;10:66-9

POEMS syndrome is a rare paraneoplastic syndrome of plasma cell dyscrasia. Since this is a potentially fatal and devastating disease, prompt diagnosis and appropriate treatment is essential. This report is of a young woman who presented with peripheral

Endoluminal Stent Placement in the Management of Recurrent Carotid Blowout Syndrome

Full Article

JJ Kasthoori, O Nawawi

Hong Kong J Radiol 2007;10:62-5

This report is of a patient with acute carotid blowout syndrome that was managed successfully with emergency placement of a covered stent. A 68-year-old man with carcinoma of the tongue had been treated surgically and underwent repeated radiotherapy for

Suture Granuloma following Inguinal Herniorrhaphy Mimicking Urachal Tumour

Full Article

GC Gan, ML Wastie

Hong Kong J Radiol 2007;10:59-61

A suture or stitch granuloma is a recognised complication of surgical procedures. This entity needs to be considered in a patient with a previous history of surgery presenting with a mass, as it may simulate a soft-tissue tumour. Although inguinal hernias and their repair

Multiple Lentigines Syndrome Complex (LEOPARD Syndrome) with Chiari I Malformation

Full Article

EYL Kan, IYC Wong, SPC Lau, WC Lee

Hong Kong J Radiol 2007;10:31-3

This report is of a patient with multiple lentigines syndrome complex (LEOPARD syndrome), a complex dysmorphogenetic disorder, with Chiari I malformation and hydrocephalus. In this patient, the cerebellar tonsillar descent was mild but craniovertebral dysplasia

Foetus-in-foetu: Imaging Diagnosis by the Presence of Organogenetic Differentiation

Full Article

AKP Wu, WWM Lam, KL Chan

Hong Kong J Radiol 2007;10:34-7

Foetus-in-foetu is a rare condition in which a vertebrate foetus is enclosed within the abdomen of a normally developing foetus. This report is of a foetus-in-foetu in a newborn boy, in which no vertebral column was identified radiologically or pathologically. The

Ocular Sonographic and Magnetic Resonance Imaging Features of Osteoporosis Pseudoglioma Syndrome

Full Article

SHM Wong, SCW Cheung, WWM Lam, WK Tso

Hong Kong J Radiol 2007;10:27-30

Osteoporosis pseudoglioma syndrome is a rare autosomal recessive disorder, characterised by early-onset osteoporosis and congenital- or juvenile-onset blindness. The combination of multiple osteoporotic fractures and blindness suggests a clinical diagnosis of

Adrenal Choriocarcinoma

Full Article

R Koul, A Dubey, T Dufan, AL Cooke, R Wong

Hong Kong J Radiol 2007;10:23-6

Adrenocortical cancers are uncommon malignancies that present with protean clinical manifestations. Adrenocortical masses are common; autopsy studies show approximately 5% to 15% of the general adult population may have adrenal incidentalomas. Adrenal

Tuberculous Splenic Abscess: an Unusual Presentation

Full Article

JPK Hui,KM Kwok, MHY Lai, TKL Loke, WH Luk, JCS Chan

Hong Kong J Radiol 2007;10:19-22

Splenic abscess is an uncommon but life-threatening pathology. Splenic tuberculosis is even rarer and usually occurs in immunocompromised patients. However, it is a diagnostic challenge as there is substantial overlap in imaging features between

Anomalous Unilateral Single Pulmonary Vein - a Rare Mimicker of Pulmonary Arteriovenous Malformation

Full Article

TK Tsang, TL Kwan, WK Wong, HS Fung, AMW Wai

Hong Kong J Radiol 2007;10:16-8

Anomalous unilateral single pulmonary vein is a rare congenital anomaly that can masquerade as a pulmonary arteriovenous malformation on computed tomography scan. This report describes a woman with cough for whom an initial diagnosis of pulmonary