Case Reports in Orthopedics / 2014 / Article / Tab 1

Case Report

Intra-Articular Osteoid Osteoma Mimicking Juvenile Arthritis

Table 1

Clinical data of the patients.

SexAge (years)Initial symptoms LocationInitial imaging Initial treatmentDelay before correct diagnosis from symptoms onset

F14Permanent 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

F15Permanent 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

M8Permanent 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

F6Permanent hip pain, limping, and decreased ROMFemoral neck, intra-articularRadiograph: normal(i) Naproxen 2 times a day
(ii) Corticoid intra-articular injection
6 months