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[Necrotic Thymoma;Report of a Case]
Hironori Hinokuma1, Takeshi Mori, Ryohei Matsushima
1Department of Thoracic Surgery, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|May 13, 2020
Summary
A sudden onset of chest pain and fever led to the discovery of an anterior mediastinal mass. Despite initial diagnostic challenges, thymectomy confirmed a diagnosis of B2 thymoma.
Area of Science:
- Thoracic Surgery
- Oncology
- Diagnostic Imaging
Background:
- Mediastinal masses can present with diverse symptoms.
- Early detection of thymoma is crucial for effective treatment.
Observation:
- A 36-year-old man presented with acute right-sided chest pain and fever.
- Contrast-enhanced CT revealed an anterior mediastinal mass with necrosis and right pleural effusion.
- Initial biopsies via CT-guided biopsy and VATS were inconclusive due to insufficient samples.
Findings:
- Surgical thymectomy was performed for definitive diagnosis and treatment.
- Histopathology showed an almost entirely necrotic tumor with viable cells at the periphery.
- The final diagnosis was B2 thymoma.
Implications:
- This case highlights the diagnostic challenges posed by necrotic mediastinal masses.
- Thymectomy remains a critical procedure for diagnosing and treating thymoma.
- Aggressive management is necessary even with limited viable tumor cells.

