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Question
2 year-old male with past medical history of asthma presents with fever and respiratory distress. CXR is shown below. What’s the diagnosis? (Hint: ...look beyond the obvious)
Answer
Answer #1: Multifocal opacities predominantly in left lower lobe representing pneumonia
Answer #2 Healing left-sided rib fractures involving the lateral aspects of ribs 8 through 10th suspicious for non-accidental trauma (see X-ray below)
Pediatric CXR pearls
- Always remember to thoroughly examine x-rays to screen for abnormal findings.
- Posterior rib fractures are highly suspicious for abuse in pediatric patients as the differential is very small beyond accidental trauma.
- General risk factors increasing the risk for pediatric rib fractures:
- Gestational age less than 30 weeks
- Low-birth weight
- Chronic lung disease
- Chronic diuretic use
- Prolonged parenteral nutrition
Bottom line: Screen patients for the above risk factors when rib fractures have been identified, but always think of abuse and the child’s safety first….and don’t forget to thoroughly examine radiology despite finding one abnormal finding.
Reference: Cosway et al. Diagnostic indicators for NAI in children with rib fractures: A retrospective study. Arch Dis Child 2011; 96 (supplement)
References
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