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Mohs surgery and processing: novel optimizations and enhancements.

OBJECTIVE: Simple yet effective modifications to Mohs surgery and processing may enhance procedural efficiency, ensure proper tissue orientation and tracking, while greatly reducing "recuts." Using the methods described, Mohs specimens no longer need to be incised or excised with any bevel, thus conserving tissue and facilitating closure. METHODS: A streamlined Mohs surgical tray is convertible to a closure tray within seconds. The excised tissue specimen is oriented on a sterile paper square on a reusable sterilized aluminum palette where partial thickness circumferential and radial scalpel cross-hatching allows epidermal edges complete freedom to later adhere to a flattening glass. The sterile paper can be labeled with patient name, stage number, and chuck number; then the specimen is inked. Rapid chuck freezing in a specially positioned liquid nitrogen immersion is followed by OCT (embedding compound) application. Uniquely numbered and modified cryostat chucks eliminate the possibility of OCT-chuck disunion. Rapid liquid nitrogen immersion of a glass surface allows the inked, cross-hatched specimen's epidermal edges and base to lay perfectly flat once forced against the supercooled glass surface using a special polymer glove. Inversion of the specimen-containing glass onto a frozen and gel state OCT interface of the chuck completes the embedding. RESULTS/CONCLUSION: These reproducible approaches to Mohs surgery described herein utilize multiple modifications that enhance the speed, efficiency, and reproducibility of Mohs specimen embedding, specimen preparation, while maintaining accuracy of interpretation.[1]

References

  1. Mohs surgery and processing: novel optimizations and enhancements. Weber, P.J., Moody, B.R., Dryden, R.M., Foster, J.A. Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]. (2000) [Pubmed]
 
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