Mediastinal mass as a rare manifestation of paragonimiasis in a pediatric patient: a case study and examination of diagnostic difficulties - Report - MDSpire

Mediastinal mass as a rare manifestation of paragonimiasis in a pediatric patient: a case study and examination of diagnostic difficulties

  • By

  • Shuchun Yang

  • Li Song

  • Qingwei Guo

  • February 16, 2026

  • 0 min

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Clinical Report: Mediastinal Mass as a Rare Manifestation of Paragonimiasis

Overview

Expand on the necessity of surgical intervention due to lack of improvement with antibiotics.

Background

Paragonimiasis is a zoonotic disease caused by food-borne trematodes, primarily affecting populations in Asia. Its varied presentations can complicate diagnosis, particularly in pediatric patients where data is limited. Recognizing atypical manifestations, such as mediastinal masses, is crucial for timely and appropriate treatment.

Data Highlights

ParameterResult
White Cell Count8.2 × 109/L
Serum Immunoglobulin ENormal
Erythrocyte Sedimentation RateNormal
Tumor MarkersNormal

Key Findings

  • A 13-year-old female presented with a mediastinal mass and respiratory symptoms.
  • Initial imaging suggested pneumonia complicated by mediastinitis, leading to antibiotic treatment.
  • Histopathological examination revealed parasitic cysts consistent with paragonimiasis.
  • The patient had a history of consuming undercooked freshwater crustaceans.
  • Negative results for tuberculosis and other parasitic infections were noted.

Clinical Implications

Clinicians should consider paragonimiasis in pediatric patients presenting with mediastinal masses, especially with a dietary history of consuming undercooked crustaceans. A high index of suspicion is necessary when standard treatments for pneumonia fail to yield improvement.

Conclusion

This case underscores the importance of considering rare parasitic infections in differential diagnoses for mediastinal masses in children. Early recognition and appropriate management can significantly impact patient outcomes.

Related Resources & Content

  1. CDC, DPDx, 2023 -- Paragonimiasis
  2. CDC, Clinical Testing and Diagnosis for Paragonimiasis, 2023
  3. WHO, Neglected tropical diseases: Paragonimiasis, 2023
  4. The Journal of Clinical Endocrinology & Metabolism, 2023 -- Evaluating Pediatric Patients with Potential Pheochromocytoma or Paraganglioma
  5. Pediatric Inflammatory Myofibroblastic Tumors of the Colon, 2023
  6. Pediatric Cardiology, 2023 -- Prenatal Identification of Intrapericardial Extralobar Pulmonary Sequestration
  7. Perineal Mass Due to Angioleiomyoma Arising from the Ano-Rectal Wall: A Case Study
  8. CDC - DPDx - Paragonimiasis
  9. Clinical Testing and Diagnosis for Paragonimiasis
  10. Neglected tropical diseases: Paragonimiasis

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