Infectiuos diseases

1. Infectious Diseases
Practical 1-3

2. Primary Pulmonary Tuberculosis
Ghon Complex:
The gray-white parenchymal
focus under the pleura in the
lower part of upper lobe
Hilar lymph nodes with
caseation are seen on the left

3. Non-Caseous Granulomas

4. Caseous Granulomas

5. TB Bacilli - Red rods with Ziehl-Neelsen Stain

6. Secondary Pulmonary Tuberculosis
Upper parts of lungs
shows gray-white areas
of caseation and multiple
areas of softening and
cavitations

7. Tuberculous Lymphadenitis

8. Tuberculoid Leprosy
Granuloma around a
peripheral nerve in the
dermis

9. Lapromatous Leprosy
Skin biopsy shows
macrophages filled
with short, thin, red
rods of acid-fast bacilli
after modified Z-N stain

10. Lapromatous Leprosy-Aseptic Necrosis

11. Primary Syphilis - Chancre
2/22/2019

12. Tertiary Syphilis - Gumma
2/22/2019

13. Tertiary Syphilis
Odd clefting divides the
liver into large nodules
with smooth surfaces is
called hepar lobatum

14. Candida infection

15. Candida albicans
GMS positivePAS positiveH&E

16. Aspergillosis Lung – Septate Branched Hyphae

17. 17
Mucormycosis Non-Septate hyphae

18. Eumycetoma Actinomycosis
2/22/2019
Fungal stain Gram Positive

19. Schistosoma haematobium
Urinary bladder mucosa
shows numerous
calcified eggs and
extensive scarring

20. Schistosoma mansoni
Colonic mucosa
showing Schistosoma
mansoni infection

21. Hydatid Cyst

22. Hydatid Cyst wall and Scolices

23. Amebic Typhilitis
Flask shaped ulcer in the
cecum due to Entameba
histolytica infection
Under high power, some
of the Amebic Trophozoite
form shows ingested red
blood cells

24. Amyloidosis
Amyloid deposits-Medullary
carcinoma of thyroid
Amyloid deposits stained
with Congo red as a pinkish
material
Amyloid stained with Congo
red under polarized light,
gives a characteristic "apple
green" birefringence

26. References
Robbins Basic Pathology 10th edition
www.webpath.com
Image Gallery - University of Washington
depts.washington.edu/handbook/.../index.html
USMLE Pathology Slides - Flask shaped ulcer in cecum due ...
usmlepathslides.tumblr.com/