1. Morphology Trophozoite Pre-cyst Cyst Dr. Manar Sobh Azab
February, 2015

2. Trophozoite
Cyst
Dr. Manar Sobh Azab
February, 2015

3. Dr. Manar Sobh Azab
February, 2015

4. The food taken in a food vacuole formed by the cell membrane and a bit of the cytoplasm. The vacuoles are transported deeper into the cells by cytoplasmic movements. Here they fuse with lysosomes that contain enzymes such as amylase and proteinase. Thus, amoeba can digest sugars, cellulose and proteins. Fats, however, remain undigested.
Dr. Manar Sobh Azab
February, 2015

5. Dr. Manar Sobh Azab
February, 2015

6. Life Cycle of Entamoeba histolytica
Dr. Manar Sobh Azab
February, 2015

7. Dr. Manar Sobh Azab
February, 2015

8. Intestinal amoebiasis
Pathology::
Intestinal amoebiasis
Histopathology of a typical flask-shaped ulcer of intestinal amoebiasis
Dr. Manar Sobh Azab
February, 2015

9. The lumenal side of the colon from fulminating amebiasis case showing several ulcers. Note raised edges (arrow).
Dr. Manar Sobh Azab
February, 2015

10. Dr. Manar Sobh Azab
February, 2015

11. IIntestinal abscess caused by Entamoeba histolytica Amoeboma
Dr. Manar Sobh Azab
February, 2015

12. Extra-intestinal amoebiasis Amoebic liver abscesses
Dr. Manar Sobh Azab
February, 2015

13. Extra-intestinal amoebiasis
Amoebic liver abscess
Gross pathology of amebic abscess of liver. Tube of "chocolate" pus from abscess. 
Dr. Manar Sobh Azab
February, 2015

14. Pleuro-pulmonary amoebiasis
Dr. Manar Sobh Azab
February, 2015

15. Neutrophilic infiltrate surrounding large amoebic cell that has ingested several erythrocytes (arrow).
Dr. Manar Sobh Azab
February, 2015

16. Dr. Manar Sobh Azab
February, 2015

17. A well demarcated swelling is seen in the epigastrium in a case of a left lobe amoebic liver abscess.
Dr. Manar Sobh Azab
February, 2015

18. Dr. Manar Sobh Azab
February, 2015

19. Dr. Manar Sobh Azab
February, 2015

20. Charcot-Leyden crystals in a trichrome permanent stained fecal smear and the crystal stains red and has two pointed ends. These crystals are formed from the breakdown products of eosinophils and indicate an immune response. However, the presence of these crystals may not always be attributed to a parasitic infection.
Dr. Manar Sobh Azab
February, 2015