Imaging Sign of the Day – Soft-tissue Rim Sign

Posted on November 3, 2013 by floridadoc

Soft-tissue rim sign – helpful in distinguishing a ureteric stone from a phlebolith on CT imaging. Ureteric stones appear as a calcific density with a surrounding rim of soft tissue representing the oedematous ureteric wall (red arrow). Phleboliths on the other hand usually have imperceptible walls and therefore they appear to be surrounded by fat (green arrow). Occasionally phleboliths have a tail of remnant parent vein associated with one edge known as the comet-tail sign.

Soft tissue rim sign

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Ring-enhancing Lesions

Posted on October 12, 2013 by floridadoc

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Pediatric Radiology

Posted on April 26, 2011 by floridadoc

These are the slides that go along with a talk I gave recently on pediatric radiology. Included are some statistics on imaging, revision of guidelines for pediatric patients, a dosing table for procedures in mGy and six clinical cases including aortic coarctation, copper beaten skull, osteogenesis imperfecta, cystic fibrosis, Tetralogy of Fallot and Aicardi syndrome.

This presentation is available for download via Slideshare should you wish to reuse materials contained within.

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CT Imaging in Pregnancy

Posted on February 7, 2011 by floridadoc

These are the slides that go along with a talk I gave recently on CT imaging in pregnancy. Specifically, the agenda for the talk is:

  • Provide a background on radiation and the effects of radiation exposure
  • Discuss the appropriate use of CT imaging in pregnancy
  • Clinical scenarios

In this presentation, a background on radiation is given and indications for CT and clinical scenarios are discussed. Each slide provides journal references and helps weave the topic into a story that is both interesting and informative.

Presentation material taken from journals with overall theme based on lecture by Elliot K. Fishman, MD.

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