INTRODUCTION Patients with onychomycosis may mask infected nails with polish. Tavaborole topical solution, 5% is a boron-based, small-molecule pharmaceutical approved for the treatment of toenail onychomycosis caused by Trichophyton rubrum and Trichophyton mentagrophytes; efinaconazole topical solution, 10% is approved for the same indication. Nail polish appearance after application of tavabor...

Trachyonychia is a disorder of the nail unit that most commonly presents with rough, longitudinally ridged nails (opaque trachyonychia) or less frequently, uniform, opalescent nails with pits (shiny trachyonychia). The term trachyonychia refers to 'rough nails.' This article comprehensively reviews the clinical, histologic, and therapeutic aspects of trachyonychia. The authors' preferred evalua...

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In order to study the problem of surface fluctuations and slag entrapment, the nail board experiment and simulation computation method was used to optimize the method for measuring liquid level characteristics in mold. The influence of steel nails diameter and the distance between steel nails on the measurement results was studied. The height of the liquid surface and the surface velocity at di...

We describe how isospin splitting and techniquark-technilepton splitting in one-family technicolor models can reduce the predicted value of the electroweak radiative correction parameter S, without making a large contribution to the T parameter.

BACKGROUND In vitro mechanical studies have demonstrated equal or superior fixation of pediatric femoral fractures with use of titanium elastic nails as compared with stainless steel elastic nails, and the biomechanical properties of titanium are often considered to be superior to those of stainless steel for intramedullary fracture fixation. We are not aware of any clinical studies in the lite...

The hair and nails are rapidly growing structures and as such their cell division can be interrupted by disease states and iatrogenic treatments. Other internal diseases can alter the structure and color of the hair and nails. These alterations in the hair and nails supply important information to the physician regarding the underlying diagnosis.

The aim of this article was to report a case of toe nails disorder associated with metformin use in an elderly patient with type 2 diabetes. Two years ago, after receiving metformin 0.5 g three times daily for 6 months, a 60-year-old Chinese man found his ten toe nails gradually thickened and yellowed (especially two thumbs). The symptoms improved and recovered after metformin discontinuance. H...

We present a rare case of self-inflicted penetrating head trauma by a 34-year-old male who hammered four nails into his own head; he had been diagnosed with schizophrenia seven years before. On the physical examination, four nails were observed in the hairy scalp that had been driven into the cranium in the right temporal and parietal areas of the head. No cerebrospinal fluid fistulas were pres...