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The Korean Journal of Pathology 2009;43(3): 260-262.
doi: https://doi.org/10.4132/KoreanJPathol.2009.43.3.260
Squamous Cell Carcinoma Arising in a Thymic Cyst : A Brief Case Report.
Chang Ohk Sung, Joungho Han, Ji Yeon Kim, Young Mog Shim, Tae Sung Kim
1Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. hanjho@skku.edu
2Department of Thoracic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
3Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
ABSTRACT
We present here the case of a 73-year-old man with squamous cell carcinoma that arose in a thymic cyst, and this was incidentally found by chest radiography. Computed tomography revealed a 3.6 cm-sized predominantly cystic lesion with a mural nodule at the antero-superior mediastinum. The resected specimen was a well demarcated cystic mass with a solid mural nodule. Microscopically, the nodule was determined to be invasive squamous cell carcinoma that had originated from the benign squamous epithelium lining the thymic cyst.
Key Words: Squamous cell carcinoma; Thymic cyst; Mediastinal neoplasm