نتایج جستجو برای: imaging tomography
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Commercially available high-resolution three-dimensional optical imaging modalities-including confocal microscopy, two-photon microscopy, and optical coherence tomography-have fundamentally impacted biomedicine. Unfortunately, such tools cannot penetrate biological tissue deeper than the optical transport mean free path (approximately 1 mm in the skin). Photoacoustic tomography, which combines ...
The principles of Ultrasonic Computed Tomography (UCT) are reviewed in this paper. The UCT is a powerful nondestructive technique in medicine and recently in industry to reveal an image of a slice of an object or body. The advantage of UCT over other conventional techniques in imaging is that a computed tomogram yields quantitative information about the section of interest. Experimental works o...
Introduction: Atypical infratemporal fossa infections are rare and potentially fatal. Case Report: A case of an aspergillosis localized in the infratemporal fossa and another case of tuberculosis of the infratemporal fossa originating from the maxillary sinus, is described. The first patient was immunocompromised and showed symptoms of facial numbness; whereas the other was an immunocompetent...
Background and Importance: A 60-year-old diabetic man with simultaneous diffuse idiopathic hyperostosis, massive ossification of the posterior longitudinal ligament and cervical and higher part of thoracic ligamentum flavum is reported in this article. Such comorbidity rarely occurs. Case Presentation: The patient’s chief complaint was sensation abnormalities without gait disturbance or ...
Small-angle x-ray scatter imaging has a high intrinsic contrast in cancer research and other applications, and provides information on molecular composition and micro-structure of the tissue. In general, the implementations of small-angle coherent scatter imaging can be divided into two main categories: direct tomography and angular dispersive computerized tomography. Based on the recent develo...
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