Pictorial Essay

Congenital Inner Ear Malformations

KS Tse, KM Chu, LF Chiu, TW Fan, TK Tsang, TL Kwan

Hong Kong J Radiol 2011;14:118-25

Hearing impairment is defined as a person’s hearing threshold being above the normal range of -10 to 15 decibels. It has significant impact on a child’s language, cognitive, socioemotional and behavioural development. Therefore early recognition of hearing

Choledochol Cysts: a Variety of Imaging Presentations in Adults

WH Luk, EPY Fung, TKL Loke, JCS Chan

Hong Kong J Radiol 2004;7:154-9

Choledochal cyst is a rare entity usually presenting in infancy; hence, the literature on adult choledochal cyst is scarce. This article reviews findings of choledochal cysts in 31 adult patients who presented to the United Christian Hospital between 1997 and

Ectopic Pregnancy

Full Article

N Murthy, A Bhat, A Kalyanpur

Hong Kong J Radiol 2008;11:132-7

This essay describes the different ultrasonographic features of ruptured and non-ruptured ectopic gestation in beta-human chorionic gonadotrophin–positive women with a history of vaginal bleeding.

High-resolution Sonography for Paediatric Scrotal Pathology

Full Article

AWH Ng, WCW Chu, ASC Ching, EKW Chan, YH Tam, MY Au

Hong Kong J Radiol 2008;11:47-55

High-resolution sonography is widely accepted as the method of choice for screening and diagnosis of scrotal pathology in childhood. High-resolution sonography enables rapid evaluation of the paediatric scrotum, with virtually no risk. There is a wide spectrum of

Conditions that Mimic Primary Breast Carcinoma on Mammography and Sonography

HHL Chan, TPW Lam, JHF Yuen, LLY Leong

Hong Kong J Radiol 2004;7:49-55

There are a number of benign conditions or non-mammary malignancies that share similar appearances to those seen in primary breast carcinoma, causing diagnostic confusion. This pictorial review aims to describe and illustrate the mammographic and sonographic appearance of these conditions,

Contrast Material Extravasation: Appearances on Helical Computed Tomography

Full Article

VV Marwah, S Govil, A Kalyanpur

Hong Kong J Radiol 2007;10:88-94

Contrast material extravasation on a computed tomography image invariably indicates disruption of vascular structures, bowel, or the urinary tract. The pattern of contrast material extravasation often allows exact anatomic localisation of the site of haemorrhage or

The Diverse Ultrasonographic Appearances of Ectopic Pregnancies

YS Lee, SL Lam

Hong Kong J Radiol 2006;9:44-9

Ectopic pregnancy is a significant source of morbidity for women of childbearing age and represents one of the most common conditions presenting as an emergency in a busy women’s hospital. Familiarity with the wide spectrum of ultrasonographic appearances of ectopic

An Institutional Audit and Pictorial Review of Langerhans’ Cell Histiocytosis Presented with Intracranial Manifestations

Full Article

DD Rasalkar, C Tong, FWT Cheng, CK Li, BK Paunipagar, WCW Chu

Hong Kong J Radiol 2010;13:46-51

Objective: To review the intracranial manifestations and role of imaging in Langerhans’ cell histiocytosis.

Methods: This is a retrospective institutional review of clinical data and radiological findings of Langerhans’ cell histiocytosis patients

Institutional Experience of Magnetic Resonance Urography in Children: a Pictorial Essay with Literature Review

Full Article

DD Rasalkar, WCW Chu

Hong Kong J Radiol 2010;13:161-70

Conventional imaging studies such as ultrasonography, intravenous urography, micturating cystourethrography, and radionuclide scintigraphy are the basic investigations used in daily clinical practice for the diagnosis and monitoring of obstructive uropathy in

Imaging Features of Median Arcuate Ligament Syndrome

Full Article

SQH Chou, KY Kwok, LS Wong, DHS Fung, WK Wong

Hong Kong J Radiol 2010;13:101-3

Median arcuate ligament syndrome presents as abdominal pain. It usually occurs in young people, who presents with abdominal pain associated with eating. This pictorial review deals with 2 such patients who

Assessment of Crohn’s Disease by Modified Computed Tomographic Enterography

SYJ Ka, EMF Wong, WK Chau, JSF Shum, CS Cheng

Hong Kong J Radiol 2010;13:226-30

Crohn's disease is a chronic inflammatory bowel disease that can affect any part of the gastrointestinal tract and may result in both intra- and extra-enteric complications. Evaluation of Crohn's disease and its complications has always be