A Rare Case of Intrapleural Teratoma – Mimicking as Empyema Thoracis

Koa, Ai Jiun and Teh, Yong Sim (2024) A Rare Case of Intrapleural Teratoma – Mimicking as Empyema Thoracis. Malaysian Journal of Medicine and Health Sciences, 20 (1). pp. 398-400. ISSN 2636-9346

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Abstract

Teratoma is a type of germ cell tumor that derived from all the three embryonic layers which are endoderm, meso- derm and ectoderm. The commonest site of extragonadal germ cell tumor is at the mediastinum, which accounts for 50-70% of all mediastinal tumor. Intrapleural teratoma is exteremely rare, with only one previously reported case to date. Teratoma is usually a slow growing tumor, and symptoms typically presented late as a result of compression or obstruction to the surrounding structures. Due to its rare occurrence, intrapleural teratoma can pose a diagnostic challenge for clinicians. Familiarity with the presentation and imaging findings is therefore of great values which can guide the diagnosis and later the specific management plans. This case report highlights the rare case of intrapleural teratoma and summarizes the presentations and imaging findings of intrapleural teratoma which was initially misdi- agnosed as empyema thoracis. Several learning points from this case were outlined.

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