PMC7152951_01
H&E showing a nail in the lumen of the appendix (2x).
CRIS2020-3930905.001.jpg
PMC7152951_01_CRIS2020-3930905.001.jpg
fig1
They revealed a focally occluded lumen which was filled with foreign material consistent with nail (keratin) encased in organisms with the morphology of Actinomyces sp. (Figures 1-3).
Grocott's methenamine silver stain showing Actinomyces species (10x).
CRIS2020-3930905.002.jpg
PMC7152951_01_CRIS2020-3930905.002.jpg
fig2
They revealed a focally occluded lumen which was filled with foreign material consistent with nail (keratin) encased in organisms with the morphology of Actinomyces sp. (Figures 1-3).
Brown and Brenn stain showing Actinomyces species (20x).
CRIS2020-3930905.003.jpg
PMC7152951_01_CRIS2020-3930905.003.jpg
fig3
They revealed a focally occluded lumen which was filled with foreign material consistent with nail (keratin) encased in organisms with the morphology of Actinomyces sp. (Figures 1-3).