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A 13-Year-Old Boy with Chest Wall Actinomycosis Mimicking Ewing Sarcoma on Imaging
Patient: Male, 13-year-old Final Diagnosis: Actinomycosis Symptoms: Chest wall swelling Clinical Procedure: — Specialty: Family Medicine OBJECTIVE: Rare disease BACKGROUND: Actinomyces, a filamentous, branching, anaerobic gram-positive bacillus, typically found as a commensal organism in the oral ca...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
International Scientific Literature, Inc.
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10630588/ https://www.ncbi.nlm.nih.gov/pubmed/37919883 http://dx.doi.org/10.12659/AJCR.941498 |
Sumario: | Patient: Male, 13-year-old Final Diagnosis: Actinomycosis Symptoms: Chest wall swelling Clinical Procedure: — Specialty: Family Medicine OBJECTIVE: Rare disease BACKGROUND: Actinomyces, a filamentous, branching, anaerobic gram-positive bacillus, typically found as a commensal organism in the oral cavity, can lead to rare chronic bacterial infections in various anatomical regions. Chest wall involvement represents an uncommon presentation, posing significant diagnostic challenges. This report focuses on the case of a 13-year-old boy presenting with chest wall actinomycetoma that closely resembled Ewing sarcoma on imaging. CASE REPORT: We present the case of a 13-year-old male with no previous medical history who presented to the Emergency Department with progressive left-sided chest pain following a sports-related fall. Physical examination revealed mild swelling and tenderness on the left anterior chest wall. A chest computed tomography (CT) scan revealed a large tumor involving the lower left chest wall, suggesting Ewing sarcoma. However, a histopathological examination unexpectedly confirmed actinomycosis of the chest wall. Intravenous penicillin G was promptly initiated for 4 weeks. A follow-up CT scan after 4 weeks of therapy demonstrated a significant response with notable reduction in the size of the chest wall mass. The patient then continued with maintenance therapy using oral amoxicillin for 12 months. Throughout this period, complete resolution of the chest wall mass occurred, with no significant adverse events or complications observed. CONCLUSIONS: This case highlights the importance of considering uncommon differential diagnoses like chest wall actinomycosis in patients presenting with chest wall masses. The diagnostic complexities associated with this rare condition emphasize the need for a comprehensive evaluation strategy, incorporating histopathological examination and imaging. |
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