= Adam L. Bartret
{c}
<Adam L. Bartret> led a radiological study testing whether variant <sciatic nerve> routes near the <piriformis muscle> were associated with <piriformis syndrome>. The researchers classified anatomy on 783 hip <magnetic resonance imaging> studies and compared recorded clinical diagnoses. Variants occurred in about 19% of hips, with no statistically significant diagnostic association in this cohort.<Is it painful to be different? Sciatic nerve anatomical variants on MRI and their relationship to piriformis syndrome by Adam L. Bartret and others>[2018, abstract, Methods and Results]{ref}
The study illustrates the distinction between identifying an anatomical variant and showing that it causes <pain>. A visible difference can be incidental; conversely, this observational result does not establish that every possible compression mechanism is absent.
\Image[https://med.stanford.edu/xray/CR/AdamBartretMD/_jcr_content/main/image.img.620.high.jpg/luce_adam.jpg]
{title=Portrait of <Adam L. Bartret>}
{description=Identified Stanford radiology residency portrait.}
{source=https://med.stanford.edu/xray/CR/AdamBartretMD.html}
{width=260}
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