نتایج جستجو برای: trabecular pattern

تعداد نتایج: 355873  

Journal: :Japanese Journal of Radiological Technology 1992

Journal: :Bone 2008
X Sherry Liu Angela H Huang X Henry Zhang Paul Sajda Baohua Ji X Edward Guo

A three dimensional (3D) computational simulation of dynamic process of trabecular bone remodeling was developed with all the parameters derived from physiological and clinical data. Contributions of the microstructural bone formation deficits: trabecular plate perforations, trabecular rod breakages, and isolated bone fragments, to the rapid bone loss and disruption of trabecular microarchitect...

Journal: :Experimental and therapeutic medicine 2012
Jing Li Guang-Zhi Yang Lan-Xiang Gao Wen-Xiu Yan Hua Jin Lin Li

In 1987, Carney et al described a rare thyroid tumor termed hyalinizing trabecular adenoma presenting characteristics consisting of a trabecular growth pattern and hyalinizing stroma. In subsequent reports, the observed nuclear features and RET alterations led this tumor to be linked to papillary carcinoma. Subsequent reports concerning hyalinizing trabecular carcinoma further complicated its c...

Journal: :Investigative ophthalmology & visual science 1990
R N Weinreb M I Ryder

The authors compared cytoskeletal elements of the in situ human trabecular-meshwork cell with in situ human corneal cells using indirect immunofluorescence staining for tubulin and intermediate filaments (vimentin, cytokeratin, and desmin) and NBD-phallacidin staining for f-actin using both fixed frozen and unfixed frozen sections from postmortem eyes. Both f-actin and tubulin were found throug...

1997
Wiro J. Niessen A. M. López W. J. van Enk P. M. v. Roermund Bart M. ter Haar Romeny Max A. Viergever

Trabecular morphology has structural trends which are strongly correlated with physical function. In vivo analysis of the trabecular pattern has the potential to predict and treat malgrowth of bone owing to altered loading conditions in an early phase. Using multiscale texture analysis we determine the orientation trend of the trabecular network from CT images. First studies show that the obtai...

Journal: :Applied sciences 2021

The aim of this study was to measure the bone mineral density specific regions maxilla, mandible, and first cervical vertebra using Hounsfield unit trabecular microstructure pattern analysis compare two methods. In study, cone-beam computed tomography (CBCT) images were obtained from 58 patients. Trabecular thickness, number, separation, volume fraction measured in 484 for parameters grayscale ...

Jamali, M,

Different opinions exit in histological typing of bone cysts. Epidermoid cysts are very rare as the small numbers of published cases indicate. They arises following preceding trauma exclusively in distal phalanges and skull. The roentgenogram shows a round osteolytic resion with no trabecular pattern. We observed 2 cases of epidermoid cyst of finger in Imam Khomeini hospital central path depart...

Journal: :The Journal of the Dental Association of South Africa = Die Tydskrif van die Tandheelkundige Vereniging van Suid-Afrika 1973
C J Dreyer P L Sadowsky

This image-object relationship has been evaluated in a radiographic study of ox femora. The soft tissues were removed from the proximal ends of 5 specimens and the bones were each cut in the medio-lateral plane into 5 slices. The image of the trabecular pattern on the radiograph of each slice was very different to that of the whole bone. These trabecular patterns are diagramatically represented...

2012
Yves Amouriq Pierre Evenou Aurore Arlicot Nicolas Normand Pierre Layrolle Jeanpierre Guedon

For some authors trabecular bone is highly visible in intraoral radiographs. For other authors, the observed intrabony trabecular pattern is a representation of only the endosteal surface of cortical bone, not of intermedullary striae. The purpose of this preliminary study was to investigate the true anatomical structures that are visible in routine dental radiographs and classically denoted tr...

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