case_images: PMC5306965_01
case_images: Pearly structures in the stool. The arrow shows a central hole.
case_images: CRIGM2017-3718954.001.jpg
case_images: PMC5306965_01_CRIGM2017-3718954.001.jpg
case_images: fig1
case_images: The patient was then asked to bring these "pearly structures" to the clinic upon his next visit (Figure 1).
case_images: An original nifedipine pill with a hole for sustained release effect.
case_images: CRIGM2017-3718954.002.jpg
case_images: PMC5306965_01_CRIGM2017-3718954.002.jpg
case_images: fig2
case_images: The medication history was revisited, but this time it was done in liaison with a pharmacist. The pharmacist noted that the "pearly oval structures" were his nifedipine extended release pills (Figure 2) that were passing undigested through his alimentary tract.