Cystic well-differentiated squamous cell carcinoma of the thymus: a clinicopathological and immunohistochemical study of six cases

Aims To present six cases of cystic well‐differentiated squamous cell carcinoma of the thymus. Methods and results The patients were six men aged between 48 and 75 years (average: 61.5 years) who were symptomatic with chest pain, shortness of breath, and dyspnoea. Diagnostic imaging showed anterior mediastinal masses, and surgical resection was accomplished in all cases. Grossly, the tumours measured 40–90 mm in greatest diameter (average: 65...