Introduction:

Rheumatoid arthritis - causes, symptoms, diagnosis, treatment, pathology

https://youtu.be/rhwe0fb2Um4

https://www.youtube.com/watch?v=ld8PhyAHov8

https://www.youtube.com/watch?v=Lk9pGGKPoKw

https://www.youtube.com/watch?v=4GMOaXE0ClE

Etiopathology

Extraarticular manifestations:

Histopathology:

https://www.youtube.com/watch?v=ZcTi28aBY1s

Radiology

Articular manifestations

Imaging & pathological hallmark:

• Erosion: Focal destruction of bone due to cumulative inflammatory damage

Imaging findings: