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This is the first reported case of a Merkel cell carcinoma arising in the oral mucosa. The tumor occurred in a 53-year-old white man, and it originated in the right mucobuccal fold. The Merkel cell origin was confirmed by electron microscopic and immunohistochemical studies.
This article reports a patient with Ehlers-Danlos syndrome for whom the syndrome was diagnosed as a result of her TMJ complaints. The surgical management of the patient's joint laxity is discussed, and a review of the syndrome's biochemical basis, clinical features, and importance to the surgeon is presented.
We study the discreteness of the spectrum of Schrödinger operators which are defined on N-dimensional rooted trees of a finite or infinite volume, and are subject to a certain mixed boundary condition. We present a method to estimate their eigenvalues using operators on a one-dimensional tree. These operators are called width-weighted operators, since their… (More)