Dr Iain Duncan

Ultrasound Elastography

Basic principles Recent advances in ultrasound technology have led over several years to the development of elastography. This is the ultrasound equivalent of clinical palpation. There are different types of shear elastic properties which can be assessed by ultrasound. Several types have developed using different deformation forces and different ways of measuring the force. A […]

Ultrasound Aortic Aneurysm Screening

A recent draft has been published by The U.S. Preventive Services Task Force (USPSTF) ┬áthat recommends the following: Screening for abdominal aortic aneurysm (AAA) by ultrasonography in men ages 65 to 75 years who have ever smoked. The USPSTF recommends that clinicians selectively offer screening for AAA in men ages 65 to 75 years who […]

To biopsy or not -the thyroid nodule dilemna

Thyroid nodules are very common and a small percentage of these are malignant. Ask 10 thyroid specialists about their approach to biopsy and diagnosis and you will get 10 different approaches. All will be rational and based on reasonable scientific data and on experience. The different approaches arise because the research is varied in its […]