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PURPOSE In previous studies, some disagreements regarding the nature (inner or outer arachnoid membrane) and lateral boundaries (temporal uncus or tentorial edge) of Liliequist's membrane remain. The aim was to clarify whether Liliequist's membrane is an inner or outer arachnoid membrane, and the distribution of Liliequist's membrane with emphasis on its(More)
BACKGROUND Most indices for evaluating a diagnostic test can be expressed as functions of sensitivity (SEN) and specificity (SPE). Practically, all existing methods suffer from the inability to weight sensitivity and specificity relative to their importance. In this paper, we developed a novel index, the weighted Youden index, that allows Youden index to be(More)
OBJECT The aim of this study was to describe the similarity of configuration between the arachnoid complex in the posterior half of the incisural space and the Liliequist membrane. METHODS Microsurgical dissection and anatomical observation were performed in 20 formalin-fixed adult cadaver heads. The origin, distribution, and configuration of the(More)
Whether a mixed type of craniopharyngioma (CP) exists and whether papillary craniopharyngioma (pCP) is on a histopathological continuum with Rathke's cleft cyst (RCC) remain controversial. Herein, we examined the expression and localization of β-catenin, BRAF p.V600E (V600E), and triggering receptor expressed on myeloid cells-1 (TREM-1) in 58 samples(More)
OBJECT Craniopharyngiomas are associated with a high rate of recurrence. The surgical management of recurrent lesions has been among the most challenging neurosurgical procedures because of the craniopharyngioma's complex topographical relationship with surrounding structures. The aim of this study was to define the determinative role of the site of origin(More)
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