Merck Manual

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Fine needle aspiration cytology of skin and soft-tissue tumors
Fine needle aspiration cytology of skin and soft-tissue tumors

Map, measure, and perform fine needle aspiration (FNA) cytology of all skin and soft-tissue tumors before surgery. If the tumor is malignant, then the surgeon can plan for wide, deep surgical margins to achieve adequate removal at the first surgery.

Courtesy of Dr. Alice Villalobos.