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Treatment Protocol for Rotator Cuff Calcific Tendinitis Using a Single-Crystal Piezoelectric Focused Shock Wave Source
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Trochlear calcification: a common entity.

Rachel K Sobel1, Scott M Goldstein

  • 1Wills Eye Institute Oculoplastic Service and Thomas Jefferson University, Philadelphia, Pennsylvania 52242, USA. rachel-sobel@uiowa.edu

Orbit (Amsterdam, Netherlands)
|January 27, 2012
PubMed
Summary
This summary is machine-generated.

This study found that 13% of people have trochlear calcification, a common finding in the general population. This calcification can appear unilateral or bilateral and may be mistaken for a foreign body in orbital imaging.

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Area of Science:

  • Ophthalmology
  • Radiology
  • Anatomy

Background:

  • Trochlear calcification is an understudied condition.
  • Understanding its prevalence is crucial for accurate orbital imaging interpretation.

Purpose of the Study:

  • To determine the prevalence of trochlear calcification in patients undergoing orbital CT scans.
  • To characterize the presentation of trochlear calcification.

Main Methods:

  • Retrospective review of 132 orbital CT scans from June to September 2009.
  • Analysis of scans from Wills Eye Emergency room and Jefferson Hospital for Neuroscience.

Main Results:

  • A prevalence of 13% (17/132) for trochlear calcification was observed.
  • Calcification was unilateral in 53% and bilateral in 47% of affected cases.
  • No significant correlation was found between age and the presence of trochlear calcification.

Conclusions:

  • Trochlear calcification is a common finding in the general population.
  • It should be considered in the differential diagnosis of superomedial orbital hyperintensities.
  • Distinguishing trochlear calcification from foreign bodies in trauma cases is important.