Posterior Mediastinal Adenomatoid Tumor: A Case Report and Review of the Literature

Figure 3

The mesothelial nature of the neoplasm was confirmed by its expression of pancytokeratin (a), calretinin (b), and nuclear WT1 (c). Ki-67 (d) showed a <2% proliferation rate. A diagnosis of adenomatoid tumor was made.

(a)

(b)

(c)

(d)