HIGH YIELD POINT FOR PATHOLOGY 2015

HIGH YIELD POINT FOR PATHOLOGY  2015

1. Fastest growing tumour – Burkitt’s

2. PE’s are found in half of all autopsies

3. Courvoisier’s Law: tumours that obstruct the common bile duct cause enlarged gallbladders, but obstructing

gallstones do not (too much scarring), so if you can palpate the gallbladder you’e probably looking at cancer.

4. Only DNA virus to replicate in cytoplasm: Pox

5. Only RNA virus to replicate in nucleus: Influenza

6. Bacillus anthraces has the only protein capsule

7. Bordetella pertussis (Whooping Cough) elicits lymphocytosis rather than granulocytosis

8. Bronchioalveolar carcinomas grow without destroying the normal architecture of the lung

9. Cryptococcus neoformans often lacks a capsule and, when stained with GMS, looks just like Pneumycistis

carinii, except that Cryptococcus lacks the prominent nucleoli.

10. Weil Felix reaction: (+)R. rickettssi & (+)Proteus vulgaris & P. mirabilis

11. Treponema pallidum (Syphilis) tests: 1)VDRL 2)FTA-Abs: most widely used 3)TPI (immobilization test – most expensive but the Gold Standard)