نتایج جستجو برای: nuclear morphometry

تعداد نتایج: 245561  

Journal: :Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2009
Yalin Wang Tony F. Chan Arthur W. Toga Paul M. Thompson

Here we introduce multivariate tensor-based surface morphometry using holomorphic one-forms to study brain anatomy. We computed new statistics from the Riemannian metric tensors that retain the full information in the deformation tensor fields. We introduce two different holomorphic one-forms that induce different surface conformal parameterizations. We applied this framework to 3D MRI data to ...

Journal: :Journal of cellular biochemistry 2006
Millie Hughes-Fulford Karsten Rodenacker Uta Jütting

Bone loss has been repeatedly documented in astronauts after flight, yet little is known about the mechanism of bone loss in space flight. Osteoblasts were activated during space flight in microgravity (microg) with and without a 1 gravity (1 g) field and 24 genes were analyzed for early induction. Induction of proliferating cell nuclear antigen (PCNA), transforming growth factor beta (TGFbeta)...

2016
Hu Sheng Qian Steve M Weldon Damian Matera ChungWein Lee Haichun Yang Ryan M Fryer Agnes B Fogo Glenn A Reinhart

Renal interstitial fibrosis (IF) is an important pathologic manifestation of disease progression in a variety of chronic kidney diseases (CKD). However, the quantitative and reproducible analysis of IF remains a challenge, especially in experimental animal models of progressive IF. In this study, we compare traditional polarized Sirius Red morphometry (SRM) to novel Second Harmonic Generation (...

Journal: :Indian journal of cancer 2010
S Natarajan S Mahajan K Boaz T George

CONTEXT Prediction of metastases of oral squamous cell carcinoma (OSCC) using incisional biopsy. AIMS To assess the efficacy of nuclear morphometry in predicting the nodal metastases of OSCC and to compare manual and computer-based image analyses. MATERIALS AND METHODS Sixteen cases of moderately differentiated squamous cell carcinoma (8 with metastasized lymph nodes and 8 node-negative cas...

Journal: :Magnetic resonance in medicine 2011
Wei Wang Nguyet M Nguyen Dmitriy A Yablonskiy Alexander L Sukstanskii Emir Osmanagic Jeffrey J Atkinson Mark S Conradi Jason C Woods

Quantitative measurement of lung microstructure is of great significance in assessment of pulmonary disease, particularly in the earliest stages. The technique for MRI-based 3He lung morphometry was previously developed and validated for human lungs, and was recently extended to ex vivo mouse lungs. The technique yields accurate, quantitative information about the microstructure and geometry of...

Journal: :Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie 2014
Valeriu Ardeleanu Aurel Nechita Laurian Lucian Frâncu Costinela Georgescu

Twenty-two cases with gastrointestinal stromal tumors (GISTs) have been studied, sized from 2 cm to invasive gigantic tumors and also from low to high degree of malignancy. The altering of the form and the size of the nucleus is a reference point of malignancy, being used in the histological grading of many types of tumors and also as an appreciating parameter of the tumoral prognosis, with a h...

Journal: :Histology and histopathology 1999
J M Monge J F Val-Bernal L Buelta L García-Castrillo L Asensio

In the present study, we sought to determine the predictive value of selective nuclear morphometry (SNM) for patient outcome in renal cell carcinoma (RCC). Tumor samples of 140 renal adenocarcinomas diagnosed and treated with radical nephrectomy and hilar lymphadenectomy between 1970 and 1988 with a minimum follow up of 5 years in all the cases were studied by SNM. The morphometric analysis was...

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