![]() histolytica Eosinophils Present Scarce Charcot-Leyden (C-L) crystals* Present Absent Pyknotic bodies** Present Absent Ghost Cells*** Absent Present Parasites Seen Trophozoites of E. Character Amoebic dysentery Bacillary dysentery Macroscopic Number 6-8 motions a day Over 10 motions a day Amount (Volume) Relatively copious Small amount Appearance and Amount Blood mucus, semi formed Blood mucus, mainly watery Odour Offensive (fishy odour) Odourless Colour Dark red (altered blood) Bright red (fresh blood) Reaction Acidic Alkaline Consistency Not adherent to the container Adherent to the container Microscopic RBCs In clumps Discrete, sometimes in clumps due to rouleaux formation Pus Cells Few Numerous Macrophages Few Numerous, many of them contain RBCs hence may be mistaken for E. Other symptoms include fever, abdominal cramping, tenesmus, and pain in defecation.Īmoebic dysentery (also known as amoebiasis) is caused by an invasive protozoan parasite, Entamoeba histolytica. Bloody mucous containing diarrhea caused by bacterial pathogens is often accompanied by inflammatory cells (neutrophils). Bloody diarrhea caused by Shigella is often called bacillary dysentery. Other bacterial causes of dysentery are, Vibrio parahaemolyticus, Enteroinvasive E.coli (EIEC), Enterohemrorrhagic E.coli (EHEC), Campylobacter sps, and Salmonella sps. ![]()
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