Georgios Papanikolaou
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Georgios Nikolaou Papanikolaou was a Greek physician, zoologist and microscopist who was a pioneer in cytopathology and early cancer detection, and inventor of the pap smear for detection of cervical
Papanikolaou's house in Kymi, Greece
An abnormal pap test
Papanicolaou stain
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Papanicolaou stain is a multichromatic cytological staining technique developed by George Papanicolaou in 1942. The Papanicolaou stain is one of the most widely used stains in cytology, where it is us
Papanicolaou stain showing a low-grade squamous intraepithelial lesion (LSIL) from a Pap test. Cell nuclei stained blue.
Melanoma, fine-needle aspiration biopsy of the liver, direct Smear.
Squamous Cell Carcinoma, bronchial washing.
Papillary thyroid cancer, fine-needle aspiration biopsy.