Differences between the characters of stools in amoebic and Bacillary Dysentery.
Difference # Amoebic Dysentery:
1. Number of motions:
6 to 8 times in 24 hrs.
2. Causal organism:
Entamoeba histolytica
3. Macroscopic pathology:
Passage of loose stools with mucus and little blood.
Colour of blood:
Dark red (altered blood)
Consistency:
Liquid or formed; mucus not adherent to the container.
Odour:
Offensive
4. Chemical reaction:
Acidic
5. Microscopic exudate:
RBC: Reddish yellow in colour
Pus cells: Scanty
Pyknotic nuclear residues: Very common
Ghost cells: Nil
(Degenerated macrophages)
Eosinophils: Present
Charcot-Leyden crystals: Present
Parasite: Trophozoite or Cysts present
Bacteria: Numerous motile E. coli and other Enterobacteria
Culture: E. histolytica grown (B-D medium)
Difference # Bacillary Dysentery:
1. Number of motions:
Over 10 times in 24 hrs.
2. Causal organism:
Entamoeba coli
3. Macroscopic pathology:
Small; blood and mucus present but no faeces.
Colour of blood:
Bright red (fresh blood)
Consistency:
Viscid; mucus adherent to the container.
Odour:
Odourless
4. Chemical reaction:
Alkaline (for fresh blood).
5. Microscopic exudate:
RBC: Bright red in colour.
Pus cells: Numerous
Pyknotic nuclear residues: Nil
Ghost cells: Numerous
(Degenerated macrophages)
Eosinophils: Absent
Charcot-Leyden crystals: Absent
Parasite: Absent
Bacteria: Scaty, non-motile Shigella group or Klebsiella.
Culture: Shigella grown (MacConkey medium)
