Am J Dermatopathol
*Saint Louis University School of Medicine, St. Louis, MO; and†Dermatology Affiliates, Atlanta, GA.
Published: November 2017
Nail clipping specimens are commonly submitted for the microscopic evaluation of nail disease; however, there may be missing clinical history regarding nail polish or other adornments present on the nail at the time of specimen retrieval. For this study, 6 types of nail cosmetics were chosen and applied to the nail plate of a volunteer. After a period of at least 24 hours, the nail plates with adornments and a control nail plate were clipped and placed in formalin. Specimens were processed using a standard nail protocol. All of the specimens, except the sticker appliqué, survived the fixation process. The glitter nail polish was the only specimen found to be polarizable. None of the specimens that survived fixation were found to be PAS-positive. Cosmetic nail enhancements are easily differentiated from the nail plate microscopically; nail cosmetics appear as a distinct layer of inorganic material lying atop the nail plate. There were 2 main microscopic patterns noted on the specimens: those with 2 layers and those with 3 layers.
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http://dx.doi.org/10.1097/DAD.0000000000000809 | DOI Listing |
Distal tibial fractures are common lower-limb injuries and are generally associated with a high risk of postoperative complications, especially in patients with multiple medical comorbidities. This study sought to ascertain the efficacy of retrograde intramedullary tibial nails (RTN) for treating extra-articular distal tibial fractures in high-risk patients. Between January 2019 and December 2021, 13 patients considered at high risk for postoperative complications underwent RTN fixation.
View Article and Find Full Text PDFThe aim of this study was to investigate the effect of the presence of the "cortex sign" (corticalization) in femoral diaphysis fractures determined by the dynamization of nails because of delayed union. The study included 12 patients with a closed transverse femoral fracture (AO 32a3) treated with dynamization (all the screws distal of the nail were removed) because of delayed healing and followed up for at least 2 years. These patients were evaluated for the presence of bone union, cortex-like sclerosis (corticalization) distal to the nail, and the distance of the corticalization from the joint during follow- up after dynamization.
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View Article and Find Full Text PDFArch Bone Jt Surg
January 2024
Hospital Universitario La Princesa, Madrid, Spain.
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