CK 20-positive and CK 7-negative Merkel cell carcinoma of the cheek.
Merkel cell carcinomas (MCCs) are uncommon, highly malignant skin tumors that develop in sun-exposed areas of the skin. Most of the MCCs are CK 20-positive and CK 7-negative such as our case. About 80% of Merkel cell carcinoma is associated with Merkel cell polyomavirus.
['Rai|Manoj Ponadka|MP|0000-0003-4162-033X', 'Bedi|Prabhjot S|PS|', 'Singh|Jeevandeep|J|', 'Marinas|Edwin B|EB|']
Merkel cell carcinoma polyomavirus CK 20‐positive CK 7‐negative