Case Report
Chondrosternal Arthritis in Infant: An Unusual Entity
Table 1
Clinical data of the 3 patients.
| Patient’s data | Case 1 | Case 2 | Case 3 |
| Sex | F | M | F | Age (months) | 12 | 12 | 8 | Predisposing factors | — | — | — | Symptoms duration before admission | 3 days | 15 days | 7 days | Symptoms | | | | Fever (>38°C) | 3 days (two weeks before first admission) | Days 0–3 | Day 0, once | Palpable mass | Yes | Yes | Yes | Pain | No | Yes | Yes | Biological data | | | | CRP (normal <1 mg/dL) | 1.8 | 3.5 | 0.8 | WBC | 10500 | 8800 | 9900 | Imaging | | | | Chest radiograph | Normal | Normal | Normal | Ultrasound | Inflammatory mass of the 3rd chondrosternal joint | Inflammatory mass of a chondrosternal joint | Inflammatory mass of a chondrosternal joint | Thoracic CT | Not performed | Negative | Not performed | Cultures | | | | Blood culture | Negative | Negative | Negative | Joint puncture | Not performed | Negative | Negative | Treatment | Oral oxacillin 100 mg/kg/day | Initial IV cefotaxime-oxacillin followed by oral amoxicilline-clavulanic acid | Oral oxacillin 100 mg/kg/day | Total duration of antibiotherapy | 6 weeks | 8 weeks | 7 days | Follow-up | 2 years | 2 years | 2 years | No relapse | No relapse | No relapse |
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F = female, M = male, IV = intravenous, CT = computerized tomography.
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