Figure 2.

Histopathology finding of tumor. (A) The hyperplastic columnar epithelium characterized by basally located nuclei forming small papillary projections with crowding of slightly enlarged nuclei in the stoma tissue sample. Crypt-like invaginations can be found focally (H&E, 100×). (B) Foci of squamous metaplasia and the glandular element are present in the neoplasm. Squamous cells show slight or moderate nuclear hyperchromasia, enlargement and pleomorphism (H&E, 200×).

Li et al. Diagnostic Pathology 2012 7:89   doi:10.1186/1746-1596-7-89
Download authors' original image