page_title: Grocott's methenamine silver stain
hierarchical_section_title: Grocott's methenamine silver stain
caption_attribution_description: English: Micrograph showing histoplasmosis in a granuloma. Liver biopsy. Gomori's Methenamine Silver (GMS) stain. Histoplasma = clumps of black circles. Granuloma = large circle with big clumps of histoplasma in it. Related images PAS-D. PAS-D. PAS-D. GMS.
context_page_description: In pathology, the Grocott-Gomori's methenamine silver stain, abbreviated GMS, is a popular staining method in histology. The stain was originally named after György Gömöri, the Hungarian physician who developed the stain.
  It is used widely as a screen for fungal organisms. Particularly useful in staining carbohydrates.
  It can be used to identify the yeast-like fungus Pneumocystis jiroveci which causes a form of pneumonia called Pneumocystis pneumonia or pneumocystosis.
  The cell walls of these organisms are outlined by the brown to black stain.
context_section_description: In pathology, the Grocott-Gomori's (or Gömöri) methenamine silver stain, abbreviated GMS, is a popular staining method in histology.  The stain was originally named after György Gömöri, the Hungarian physician who developed the stain.
  It is used widely as a screen for fungal organisms. Particularly useful in staining carbohydrates.
  It can be used to identify the yeast-like fungus Pneumocystis jiroveci which causes a form of pneumonia called Pneumocystis pneumonia (PCP) or pneumocystosis.
  The cell walls of these organisms are outlined by the brown to black stain.
caption: A liver biopsy stained using the grocott's methenamine silver stain demonstrating histoplasma (black round balls) in a granuloma.
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