Table 1.
Clinical data of the patients.
| Sex | Age (years) | Initial symptoms | Location | Initial imaging | Initial treatment | Delay before correct diagnosis from symptoms onset |
|---|---|---|---|---|---|---|
| F | 14 | Permanent hip pain, limping, improved with NSAIDs, and decreased range of motion (ROM) |
Femoral neck, intra-articular | (i) Radiograph: normal (ii) Ultrasound: aspecific joint effusion (iii) Bone scan: joint hyperfixation |
(i) Naproxen 250 mg 2 times a day (ii) Corticoid intra-articular injection |
6 months |
|
| ||||||
| F | 15 | Permanent hip pain, limping, night worsening, and decreased ROM |
Femoral neck, intra-articular | (i) Radiograph: normal (ii) MRI: joint effusion |
(i) Diclofenac 3 times a day (ii) Corticoid intra-articular injection |
7 months |
|
| ||||||
| M | 8 | Permanent ankle pain, limping, night worsening, ankle swelling, skin redness, and decreased ROM |
Talar neck, intra-articular | (i) Radiograph: ankle joint swelling (ii) Ultrasound: aspecific joint effusion |
(i) Ibuprofen 3 times a day (ii) Corticoid intraarticular injection (iii) Methotrexate 10 mg a week (iv) Folic acid |
4 months |
|
| ||||||
| F | 6 | Permanent hip pain, limping, and decreased ROM | Femoral neck, intra-articular | Radiograph: normal | (i) Naproxen 2 times a day (ii) Corticoid intra-articular injection |
6 months |