Table 1 Clinical and histological features of 6 cases described by Weissferdt et al [13] all patient had been diagnosed with an anterior mediastinal mass found to be a primary mediastinal seminoma with follicular hyperplasia on histological examination with the same immunohistology stains as in our case
Case | Gender | Age | Tumour size (cm) | Cystic changes | Epithelioid granulomas | Thymic remnant/Hassall’s corpuscles | Foreign body type giant cells | Calcifications | Cholesterol clefts | Necrosis |
|---|---|---|---|---|---|---|---|---|---|---|
1 | Male | 28 | 5 | – | – | + | + | + | + | + |
2 | Male | 24 | 3 | + | + | + | + | – | – | – |
3 | Male | 29 | 5 | + | + | + | + | – | + | – |
4 | Male | 25 | 4 | – | – | + | + | – | – | – |
5 | Male | 31 | 3.5 | + | + | – | + | + | – | – |
6 | Male | 24 | 3.5 | + | + | – | + | – | – | – |