Wilkes classification Flashcards
clinical exam - Painless clicking, No restricted motion, no locking
Stage I, Early internal derangement
clinical exam - Occasional painful clicking, Intermittent locking,
Headaches
Stage II, early/intermediate internal derangement
clinical exam - Frequent pain,
Joint tenderness,
headaches,
Locking,
Restricted motion,
Painful chewing
Stage III, intermediate internal derangement
clinical exam - Chronic pain,
headache
Restricted motion with crepitus
Stage IV, intermediate/late internal derangement
clinical exam - Variable pain
Joint crepitus
Stage V, late internal derangement
imaging - Slight anterior disc displacement that reduces on opening, normal osseous contours
Stage I, Early internal derangement
imaging - Slight anterior disc displacement that reduces upon opening, Early disc deformity, Normal osseous contours
Stage II, early/intermediate internal derangement
imaging - Anterior disc displacement, reducing early progressing to non-reducing* late Moderate disc deformity
Normal osseous contours
Stage III, intermediate internal derangement
imaging - Anterior disc displacement that does not recapture on opening;
Marked disc deformity;
degenerative osseous changes
Stage IV, intermediate/late internal derangement
imaging - Anterior disc displacement, non-reducing;
Marked disc deformity;
degenerative osseous changes
Stage V, late internal derangement
surgical - Normal disc form;
Slight anterior displacement
Stage I, Early internal derangement
surgical - Anterior disc displacement; Thickened disc
Stage II, early/intermediate internal derangement
surgical - Disc deformed & displaced ;
Variable adhesions
No bone changes
Stage III, intermediate internal derangement
surgical -
Disc perforation, displacement, and adhesions
Degenerative changes in condyle and/or fossa
Stage IV, intermediate/late internal derangement
surgical - disc perforation, displacement, and adhesions;
degenerative changes in condyle and/or fossa
Stage V, late internal derangement
