CTICasesLate Pleural Recurrence of Thymoma
Imaging findings
CT chest shows a new, nodular pleural mass in the left hemithorax, developing 12 years after surgical thymectomy for a primary thymoma, representing pleural drop metastasis.
Key takeaways
Thymomas are slow-growing neoplasms that have a high propensity for late, pleural-based recurrences (known as drop metastases), which can occur decades after the original surgery. This highlights the absolute necessity of long-term, decade-long imaging surveillance.
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