case_images: PMC8077523_01
case_images: Cat toy.
case_images: cop-0012-0239-g01.jpg
case_images: PMC8077523_01_cop-0012-0239-g01.jpg
case_images: F1
case_images: The patient had been given a stuffed cat toy, which he had been sleeping with for about 2-3 weeks (Fig. 1).
case_images: Granulomatous response to synthetic fibers.
case_images: cop-0012-0239-g02.jpg
case_images: PMC8077523_01_cop-0012-0239-g02.jpg
case_images: F2
case_images: Also noted was a granulomatous response to synthetic fibers (Fig. 2).
case_images: Synthetic fibers with polarized light.
case_images: cop-0012-0239-g03.jpg
case_images: PMC8077523_01_cop-0012-0239-g03.jpg
case_images: F3
case_images: With polarized light, the synthetic fibers were prominently birefringent (Fig. 3).