STRESS FRACTURES

STRESS FRACTURE GRADING GRADE XRAY SPECT-CT BONE SCAN MRI 1 normal mild /diffuse increase in tracer uptake. CT normal Increased periosteal T2 signal. Normal marrow signal. 2 normal moderately intense tracer uptake, mild sclerosis or thickening, but no fracture line plus changes on STIR and T2 sequences 3 Visible line intense (linear) focal tracer uptake with definite […]

BIRADS BREAST CLASSIFICATION

0 incomplete additional imaging evaluation needed 1 negative   2 benign likelihood of malignancy ~0%. Routine screening recommended 3 probably benign 0-2% likelihood of malignancy. Follow-up in ~6 months 4 suspicious likelihood of malignancy 2-95% 5 highly suspicious >95% risk of malignancy. Requires tissue diagnosis 6 proven malignancy biopsy positive. Surgical excision recommended

12 months of Favorite Videos and Images

2015 January Check out this artist who creates everything bit by bit: BERT MONROY, THE MAKING OF AMSTERDAM MIST 2014 February The most powerful images of 2013. These from The Atlantic website. Click here for January – April, here for May – August and here for September – December. March Love to eat in different restaurants? Check out these at Conde […]

Perfusion Scintigraphy versus 256-slice CT Angiography in Pregnant Patients Suspected of Pulmonary Embolism: Comparison of Radiation Risks

Perisinakis K, Seimenis I, Tzedakis A, Damilakis J J Nucl Med. 2014;55:1273-1280 Summary The goal of this anthropomorphic phantom-based simulation investigation was to compare the dose exposure estimates of state-of-the-art 256-slice CT pulmonary angiography (CTPA) with lung perfusion scintigraphy (LPS) in pregnant patients with suspected pulmonary embolism (PE) at different body sizes and gestation times (the end of […]

The effectiveness of exercise interventions to prevent sports injuries: a systematic review and meta-analysis of randomised controlled trials

Jeppe Bo Lauersen, Ditte Marie Bertelsen, Lars Bo Andersen Br J Sports Med. 2014;48(11):871-877.  Abstract Background Physical activity is important in both prevention and treatment of many common diseases, but sports injuries can pose serious problems. Objective To determine whether physical activity exercises can reduce sports injuries and perform stratified analyses of strength training, stretching, proprioception and combinations […]

Presentations

Imaging of the foot: A presentation to the Australian Sonographers Association  National Conference Canberra May 2012. This briefly covers the forefoot conditions best evaluated/diagnosed with either nuclear medicine or ultrasound. Contrast Enhanced Ultrasound of Liver Lesions This is a 2 slide summary of the behavior of liver lesions to microbubble contrast. Imaging Musculoskeletal Pain A multi-modality talk on […]