Everyone would know the so-called "Tigroid' background of seminoma on Giemsa/DQ etc. However, in my opinion, the Pap stained appearance is also classic. The nuclei are suspended in empty cytoplasm or shells (cocoons) and macronucleoli become so obvious. 33/M, retroperit mass. pic.twitter.com/vdH2luzqTi
Typical cytological features of classic seminoma. Sheets of tumor cells, nucleoli, mitosis, normal lymphocytes, presence of sparse granulomas, tigroid background. Nuclear positivity for OCT3/4. pic.twitter.com/LYndKDSTJ2
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