Disclaimer: Consent obtained from patient.
Osteoarthrosis is a degenerative disease. So the actual term is indeed osteoarthrOSIS. Osteoarthritis is always seen as a misnomer.
( latest studies show that osteoarthrosis is both degenerative and inflammatory though. Osteoarthritis is now used but remember that some senior examiners stick to osteoarthrosis. )
Details of patient. Before starting your History Of Presenting Illness ( HOPI ), mention these important points: