Calcific tendonitis
Definition
Mid-substance calcification of the rotator cuff
- part of a metaplasia secondary to hypoxia
Aetiology
2 groups of patients
lavage
Transient synovitis / Septic arthritis
Definition
Transient synovitis of unknown aetiology with complete resolution
Epidemiology
Most common cause of hip pain
- 1 /1000
May occur in 3% of children with majority not seeking medical attention
Wide range of age
- from 9 / 12 to teenagers
- usually 3 - 8 years
- peak 6 years / same as Perthes
More common in
- boys 2:1
- caucasian