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1. www.cdc.gov › dpdx › intestinalamebaeCDC - DPDx - Intestinal (Non-Pathogenic) Amebae

   www.cdc.gov › dpdx › intestinalamebae

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   Figure D: Cyst of E. nana stained with trichrome. E. nana trophozoites stained with trichrome. Endolimax nana trophozoites measure 6–12 µm and have a single nucleus with a characteristically large, irregularly shaped, blot-like karyosome.

   • Amebiasis

     Fresh stool: wet mounts and permanently stained preparations...

   • Diagnostic Procedures

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2. www.ncbi.nlm.nih.gov › pmc › articlesSystematic review on Endolimax nana: A less well studied ...

   www.ncbi.nlm.nih.gov › pmc › articles

   Nov 4, 2015 · The cysts of Endolimax and E. hartmanni both have four nuclei but can be differentiated by E. nana having a larger punctuate karyosome and peripheral chromatin, both of which features however may be quite difficult to discern.[8,47] Endolimax stains with both Ziehl–Neelsen and trichrome.

   • Author: Casper Sahl Poulsen, Christen Rune Stensvold
   • DOI: 10.4103/2229-5070.175077

   • Publish Year: 2016
   • Publication: Trop Parasitol. 2016 Jan-Jun; 6(1): 8-29.

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4. www.ncbi.nlm.nih.gov › pmc › articlesBlastocystis hominis and Endolimax nana Co-Infection ...

   www.ncbi.nlm.nih.gov › pmc › articles

   Jun 13, 2012 · Diagnosis of both B. hominis and E. nana infection can be made via stool sample testing for ova and parasites. Stool specimens are examined through light microscopy by direct wet mount, trichrome stains and formal-ethyl acetate concentration.

   • Author: Mitanshu Shah, Christopher Bryan Tan, Dhyan Rajan, Shadab Ahmed, Krishnaiyer Subramani, Kaleem Rizvo...
   • DOI: 10.1159/000339205

   • Publish Year: 2012
   • Published: May-Aug 2012

5. medbox.iiab.me › modules › en-cdcCDC - DPDx - Intestinal Amebae

   medbox.iiab.me › modules › en-cdc

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   E. nana cyst stained with trichrome. Cysts of Endolimax nana are spherical to ellipsoidal in shape and measure 5 to 10 µm. Mature cysts possess four nuclei with large, karyosomes and no peripheral chromatin.

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6. www.researchgate.net › publication › 292176812(PDF) Systematic review on Endolimax nana: A less well ...

   www.researchgate.net › publication › 292176812

   Jan 1, 2016 · Cysts of Endolimax nana in direct smear (a), concentrated with formalin and ethyl acetate and stained with iodine showing the characteristic gibbous appearance (b), and isolated on a...

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   How do you smear Endolimax nana cysts?

   • Cysts of Endolimax nana in direct smear (a), concentrated with formalin and ethyl acetate and stained with iodine showing the characteristic gibbous appearance (b), and isolated on a sucrose gradient and stained with iodine, respectively (c).

   Systematic review on Endolimax nana: A less well studied intestinal

   www.ncbi.nlm.nih.gov/pmc/articles/PMC4778187/

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   How is Endolimax diagnosed?

   • The diagnosis of Endolimax traditionally relies on microscopy of cysts, which can be direct or coupled with a concentration procedure and different stains prior to analysis. Concentration can be formalin-based [ Figure 1a ], and when the fecal concentrate is stained with iodine, cysts of E. nana appear gibbous [ 7] [ Figure 1b ].

   Systematic review on Endolimax nana: A less well studied intestinal

   www.ncbi.nlm.nih.gov/pmc/articles/PMC4778187/

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   What does Endolimax look like?

   • When mature, cysts of Endolimax are oval and very small (6–9 μm × 5–7 μm) compared with cysts of other intestinal amebae. The cyst wall appears thin (80 nm), colorless, and smooth on the outside. In the cytoplasm, no mitochondria, Golgi apparatus, rough endoplasmic reticulum, centrioles, or microtubules are present.

   Systematic review on Endolimax nana: A less well studied intestinal

   www.ncbi.nlm.nih.gov/pmc/articles/PMC4778187/

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   What is the difference between Endolimax and E hartmanni?

   • The cysts of Endolimax and E. hartmanni both have four nuclei but can be differentiated by E. nana having a larger punctuate karyosome and peripheral chromatin, both of which features however may be quite difficult to discern. [ 8, 47] Endolimax stains with both Ziehl–Neelsen and trichrome.

   Systematic review on Endolimax nana: A less well studied intestinal

   www.ncbi.nlm.nih.gov/pmc/articles/PMC4778187/

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8. www.cdc.gov › dpdx › monthlycasestudiesCDC - DPDx - Case #503 - November 2019

   www.cdc.gov › dpdx › monthlycasestudies

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   Dec 18, 2019 · This case presented a mix of two species of intestinal protozoa: Endolimax nana (Figures A, B, C, and F), which is generally considered non-pathogenic, and Dientamoeba fragilis (Figures D and E). Diagnostic morphologic features included: