a. Section showing the presence of neoplastic cells with swollen clear cytoplasm within the cystic wall (MX100). b. The neoplastic cells had a centrally located round nucleus with open chromatin, a perinuclear halo and did not display any pleiomorphism (MX400). c. d. The tumour cells were positive for CD57 and negative for GFAP staining.
Levidou et al. Diagnostic Pathology 2010 5:59 doi:10.1186/1746-1596-5-59