The scarcity of specific submission protocols for nail unit biopsies presents many challenges for appropriate specimen processing. Many nail biopsies are received fragmented or without orientation, often resulting in less-than-ideal tissue embedding and poor histologic sections, which are difficult to interpret. Methods are described for proper nail matrix/bed biopsy and plate submission that incorporate aspects of previous submission protocols and include inking the biopsy specimen along with submitting the tissue on a drawing of the nail. Also described is a technique for maintaining adherence of nail plate to glass slides, a chronic challenge in the laboratory.
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