Characteristic Appearances

Characteristic Appearances in Histopathology/Microscopy

"Appearances can be deceiving"

1. Tree Bark appearance of intima - is seen in Syphilitic Aneurysm.

2. Koilocytic Atypia - is seen in HPV Infection

3. Gullwing shaped rod (bacteria) - Campylobacter jejuni

4. Rosenthal Fibres - Alexander's Disease(Rare Sporadic Leukodystrophy d/t mutation of GFAP).

pgmeenotes by dv