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Erschienen in: Pediatric Radiology 1/2020

24.08.2019 | Original Article

Osteomyelitis of the ribs in children: a rare and potentially challenging diagnosis

verfasst von: Allison M. Crone, Matthew R. Wanner, Matthew L. Cooper, Thomas G. Fox, S. Gregory Jennings, Boaz Karmazyn

Erschienen in: Pediatric Radiology | Ausgabe 1/2020

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Abstract

Background

Rib osteomyelitis is rare in children and can mimic other pathologies. Imaging has a major role in the diagnosing rib osteomyelitis.

Objective

To evaluate clinical presentation and imaging findings in children with rib osteomyelitis.

Materials and methods

We performed a retrospective (2009–2018) study on children with rib osteomyelitis verified by either positive culture or pathology. We excluded children with multifocal osteomyelitis or empyema necessitans. We reviewed medical charts for clinical, laboratory and pathology data, and treatment. All imaging modalities for rib abnormalities were evaluated for presence and location of osteomyelitis and abscess. We calculated descriptive statistics to compare patient demographics, clinical presentation and imaging findings.

Results

The study group included 10 children (6 boys, 4 girls), with an average age of 7.3 years (range, 3 months to 15.9 years). The most common clinical presentations were fever (n=8) and pain (n=5). Eight children had elevated inflammatory indices (leukocytosis, erythrocyte sedimentation rate [ESR], C-reactive protein [CRP]). Localized chest wall swelling was found initially in six children and later in two more children. Rib osteomyelitis was suspected on presentation in only two children. All children had chest radiographs. Rib lytic changes were found on only one chest radiograph, in two of the four ultrasound studies, and in four of eight CTs. Bone marrow signal abnormalities were seen in all eight MRIs. In nine children the osteomyelitis involved the costochondral junction. Six children had an associated abscess. Staphylococcus aureus was cultured in eight children. Osteomyelitis was diagnosed based on pathology in one child with negative cultures.

Conclusion

While rib osteomyelitis is rare, imaging findings of lytic changes at the costochondral junction combined with a history of fever, elevated inflammatory markers or localized soft-tissue swelling in the chest should raise suspicion for this disease.
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Metadaten
Titel
Osteomyelitis of the ribs in children: a rare and potentially challenging diagnosis
verfasst von
Allison M. Crone
Matthew R. Wanner
Matthew L. Cooper
Thomas G. Fox
S. Gregory Jennings
Boaz Karmazyn
Publikationsdatum
24.08.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Pediatric Radiology / Ausgabe 1/2020
Print ISSN: 0301-0449
Elektronische ISSN: 1432-1998
DOI
https://doi.org/10.1007/s00247-019-04505-2

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