Tuesday, January 9, 2024

Answer to Case 734

 Answer to the Parasite Case of the Week 734: Entamoeba coli cysts. 

As noted by Florida Fan and Mary Lois Smorenburg noted, these cysts can be easily recognized by their large size and number of nuclei (>4). These are the most definitive features of this organism and allow it to be differentiated from similar-appearing Entamoeba spp. such as E. histolytica. Other supportive features pointed out by Mary Lois Smorenburg and Dr. Satishkumar Krishnan are the eccentric karyosome within each nucleus is and the irregular splinter shaped chromatoid body.

Thanks again to Heather Morris for donating our first case of 2024!

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