This DermSurgery Digest bonus content aptly named “At the Microscope” shares the latest research and techniques in dermatopathology. In this episode, contributors will review the topic of Nail Unit Part 1. Contributors to this podcast include Naomi Lawrence, MD, Dermatologic Surgery Digital Content Editor; Ashley Elsensohn, MD, MPH, DermSurgery Digest at the Microscope co-host; Christine Ahn, MD; Jeff Gardner, MD; Marina K. Ibraheim, MD; and Michael P. Lee, MD.

 Articles featured in this episode include: 

·   “Basic Concepts in Nail Pathology” The American Journal of Dermatopathology

·    “Atypical parakeratosis in nail unit squamous cell carcinoma” NIH

·    “A retrospective study of nail squamous cell carcinoma at a single tertiary center: A relationship between longitudinal melanonychia and the depth of invasion” JAAD

·    “Squamous Cell Carcinoma in situ Upstaging is Not Frequent in The Nail Unit: A Tertiary Cancer Center Experience” NIH

·     “Two distinct pathogenic pathways of digital papillary adenocarcinoma — BRAF mutation or low-risk HPV infection” NIH

·     “Acral BRAF-mutated tubular adenoma should be distinguished from HPV42-related digital papillary adenocarcinoma” NIH

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