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Table 1 Comparison between primary vulvar SCNEC/MCC (from reference 1) and the present case

From: Vulvar neuroendocrine carcinoma that is independent of merkel cell polyomavirus and human papillomavirus suggests endometrial cancer recurrence: a case report

Cases CK20 McPyV HR-HPV
SCNEC #1 Negative Negative Positive
SCNEC #2 Negative Negative Positive
SCNEC #3 Negative Negative Positive
SCNEC #4 Negative Negative Positive
SCNEC #5 Negative Negative Positive
SCNEC #6 Negative Negative Positive
MCC #1 Positive Negative Negative
MCC #2 Positive Positive Negative
MCC #3 Positive Positive Negative
MCC #4 Positive Positive Negative
MCC #5 Positive Positive Negative
MCC #6 Positive Positive Negative
The present case Negative Negative Negative
  1. CK20 cytokeratin 20, McPyV Merkel cell polyomavirus, HPV-HR high-risk human papillomavirus, SCNEC small cell neuroendocrine carcinoma, MCC Merkel cell carcinoma