PMC4065432_01
Photomicrograph showing granular cells with indistinct cell borders interspersed with muscle fibers (H&E stain, x100)
JOMFP-18-134-g001.jpg
PMC4065432_01_JOMFP-18-134-g001.jpg
F1
The hematoxylin and eosin-stained sections [Figure 1] revealed a well-defined lesion surrounded by stratified squamous epithelium with the underlying connective tissue comprising of bundles of collagen and abundant muscle fibers.
Photomicrograph showing strong positivity of granules for the S-100 protein (IHC stain, x100)
JOMFP-18-134-g002.jpg
PMC4065432_01_JOMFP-18-134-g002.jpg
F2
Positivity was observed with vimentin, S-100, CD68 and inhibin [Figures 2, 3 and 4] confirming the diagnosis of granular cell tumor.
Photomicrograph showing strong positivity of granules for inhibin (IHC stain, x100)
JOMFP-18-134-g003.jpg
PMC4065432_01_JOMFP-18-134-g003.jpg
F3
Positivity was observed with vimentin, S-100, CD68 and inhibin [Figures 2, 3 and 4] confirming the diagnosis of granular cell tumor.
Photomicrograph showing granular cells staining positive for CD68 (IHC stain, x100)
JOMFP-18-134-g004.jpg
PMC4065432_01_JOMFP-18-134-g004.jpg
F4
Positivity was observed with vimentin, S-100, CD68 and inhibin [Figures 2, 3 and 4] confirming the diagnosis of granular cell tumor.