Tangential Biopsy Thickness versus Lesion Depth in Longitudinal Melanonychia: A Pilot Study

• Main Authors: Nilton Di Chiacchio (Author), Walter Refkalefsky Loureiro (Author), Nilceo Schwery Michalany (Author), Felipe Veiga Kezam Gabriel (Author)
• Format: Book
• Published: Hindawi Limited, 2012-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Longitudinal melanonychia can be caused by melanocyte activation (hypermelanosis) or proliferation (lentigo, nevus or melanoma). Histopathologic examination is mandatory for suspicious cases of melanomas. Tangential biopsy of the matrix is an elegant technique avoiding nail plate dystrophy, but it w...