Pictorial Essay

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YK Chu

Hong Kong J Radiol 2018;21:143-9

DOI: 10.12809/hkjr1816884

Ectopic thyroid is a rare condition that involves aberrant embryogenesis of the thyroid primordium during its descent from the foramen caecum to its final pretracheal position.

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DCW Tang, AYH Wan, GKY Lee, JHM Cheng, WK Kan, JLS Khoo

Hong Kong J Radiol 2018;21:136-42

DOI: 10.12809/hkjr1816425

Lesions in the parapharyngeal space are rare and difficult to diagnose and treat. They can arise within the parapharyngeal space

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HJ Baek, K Bae, KN Jeon, DS Choi, HS Shin, KH Lee

Hong Kong J Radiol 2018;21:58-64

DOI: 10.12809/hkjr1616412

Alcohol has direct and indirect toxic effects on the brain, such as oxidative metabolism, inflammatory reactions, and DNA damage.

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RAEK Matsumoto, BH Bresciani, BM Thompson, N de Barros

Hong Kong J Radiol 2018;21:65-71

DOI: 10.12809/hkjr1616816

Encapsulated papillary carcinoma or intracystic papillary carcinoma of the breast is a rare tumour and is a special subtype of carcinoma.

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HF Chan, WH Luk, LF Cheng, JKF Ma

Hong Kong J Radiol 2017;20:241-7

DOI: 10.12809/hkjr1716860

Cone-beam computed tomography (CBCT) acquires three-dimensional volumetric images using a two-dimensional flat panel detector mounted on a C-arm that rotates around the patient.

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LW Lo, T Wong, EPY Fung, MH Lai, HL She, KM Kwok, CM Lee

Hong Kong J Radiol 2017;20:153-64

DOI: 10.12809/hkjr1715318

Contrast-enhanced magnetic resonance imaging (MRI) is widely used for diagnosing various benign breast lesions.

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HHC Tsang, JWC Wai, JLF Chiu

Hong Kong J Radiol 2016;19:303-7

DOI: 10.12809/hkjr1615328

With an increasing number of women undergoing breast augmentation and later presenting with breast symptoms, radiologists need to be familiar with the different imaging appearances. Mammography and

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JCM Sitt, AWH Chan, J Mou, J Abrigo, YH Tam, KF To, WCW Chu

Hong Kong J Radiol 2016;19:217-28

DOI: 10.12809/hkjr1614245

This pictorial review aimed to present the sonographic appearances of common scrotal masses in children, supplemented with pathological findings in operative cases. This review also

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SM Prabhu, V Yadav, D Prakash, S Sudhakar, S Mani

Hong Kong J Radiol 2016;19:208-16

DOI: 10.12809/hkjr1614286

Myelination is an essential step in the functional maturation of the brain. Magnetic resonance imaging allows the degree of maturation of a child’s brain to be assessed by estimation of the

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LWY Chan, JHY Leung, CC Chan

Hong Kong J Radiol 2015;18:316-25

DOI: 10.12809/hkjr1414238

Immunoglobulin G4–related systemic disease (IgG4-RSD) is a newly recognised and emergent condition, which was initially thought to manifest only as autoimmune pancreatitis. As the knowledge about this disease

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CYH Chan, KYK Wong, SKY Kwok, WK Wong, KW Tang

Hong Kong J Radiol 2015;18:243-52

DOI: 10.12809/hkjr1515300

Fistula-in-ano is a highly devastating disease due to its high morbidity. In order to achieve excellent surgical outcome, preoperative evaluations are essential. Magnetic resonance imaging (MRI) allows high spatial resolution images and is highly accurate in delineating the type and extent of a perianal fistula.

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P Chatpitanrut, P Kongmebhol, M Muttarak

Hong Kong J Radiol 2015;18:160-8

DOI: 10.12809/hkjr1514244

Tumours or disorders affecting the breasts in pregnant or lactating women are usually similar to those occurring in non-pregnant women, but some lesions are unique

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DLK Dai, GHY Wong, YL Dai, K Wang

Hong Kong J Radiol 2015;18:87-90

DOI: 10.12809/hkjr1414277

In dementia of the elderly, the majority of patients with onset around the eighth decade have typical Alzheimer’s disease; diagnostic workup is usually simple, and a plain computed tomography brain is sufficient to exclude pathology other than generalised brain atrophy.

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K Wang, YL Dai, TCY Cheung, DLK Dai

Hong Kong J Radiol 2015;18:74-86

DOI: 10.12809/hkjr1414268

Neuroscintigraphy for dementia includes brain perfusion single-photon emission computed tomography (SPECT) [hexamethylpropyleneamine oxime or ethyl cysteinate dimer] and fluorodeoxyglucose positron emission tomography (PET), which are the two most common

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YL Dai, K Wang, TCY Cheung, DLK Dai

Hong Kong J Radiol 2015;18:58-73

DOI: 10.12809/hkjr1414267

Dementia is an increasingly prevalent disease of the ageing population. Although Alzheimer’s disease is still the most common cause of dementia, there is emerging clinical interest in other, less common, causes of dementia that can affect patients at a younger

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WK Tsang, A Li, YC Wong

Hong Kong J Radiol 2014;17:285-92

DOI: 10.12809/hkjr1413197

Multidetector (MD) cardiac computed tomography (CT) imaging has emerging use in the assessment of the anatomy and function of the heart. Apart from its established role in the evaluation of the coronary arteries,