نتایج جستجو برای: vascular lesions
تعداد نتایج: 375258 فیلتر نتایج به سال:
Autoerythrocyte sensitization syndrome CABS) is a rare purpuric disorder of women characterized by inflammatory and painful ecchymotic lesions unrelated to blood clotting or vascular abnormalities. Gastrointestinal bleeding, hematuria, headache or syncopal attacks may also be observed. Our patient is a 33-year-old woman presenting with recurrent severe painful ecchymotic lesions on both lo...
The principle of selective photothermolysis, which states that thermal destruction can be predicted by choosing the appropriate wavelength, pulse duration, and pulse energy for a particular target, applies to the laser treatment of vascular lesions. The most commonly used vascular lesion lasers and light sources emit wavelengths of 532 nm, 577-600 nm, and 1064 nm. A wide range of vascular lesio...
Vascular benign lesions are the most common non-hematological splenic primary tumors. Although rare they may sometimes pose problems in differential diagnosis, because of their morphologic heterogeneity. We present vascular lesions of the spleen, which were found in archive of the Chair of Pathomorphology. Immunohistochemistry including CD34, CD31, factor VIII, CD8, CD21, CD68, lysosyme, GLUT-1...
Verrucous hemangiomas (VH) are uncommon, congenital vascular malformations of the cutaneous and subcutaneous tissues that spare the deeper subfacial structures. VH usually presents at birth and slowly grows with age. It usually presents as hyperkeratotic, scattered, bluish-red plaques or nodules of various sizes. Although the lesions mostly have a linear pattern, serpiginous and reticulat...
The earliest studies on the laser treatment of vascular disorders were on port wine stains (PWS) and published in the 1970s using both the argon and ruby lasers (Table 2.1). Most work was undertaken with the argon laser. In the 1980s this was the most frequently used laser worldwide for the treatment of PWS. The argon laser emits light at six different wavelengths in the blue green portion of t...
Introduction: Vascular abnormalities are relatively uncommon lesions, but head and neck is a common region for vascular malformation which is classified as benign tumors. In this paper, the authors report a rare presentation of vascular malformation in the tongue and its managements. Case Report: An 18 months 2 old child presented with a giant mass of tongue which caused functional and aesth...
introduction: vascular abnormalities are relatively uncommon lesions, but head and neck is a common region for vascular malformation which is classified as benign tumors. in this paper, the authors report a rare presentation of vascular malformation in the tongue and its managements. case report: an 18 months 2 old child presented with a giant mass of tongue which caused functional and aestheti...
Intraosseous vascular lesions of the maxillofacial region are rare, and the differential diagnosis of intraosseous vascular malformations from other jaw lesions can be challenging. In the present case, magnetic resonance imaging and three-dimensional computed tomographic angiography (CTA) was used for diagnosis, and the lesion was treated wih surgical excision. Diverse characteristics such as t...
BACKGROUND AND PURPOSE A full appreciation of the presence of cerebral vascular lesions in cognitively impaired patients can be ultimately reached at the neuropathological level. However, there are no detailed guidelines regarding what neuropathologists should look for at autopsy in cases of suspected vascular dementia or vascular cognitive impairment. We aimed at surveying the postmortem neuro...
Vascular lesions of the oropharynx may impair swallowing and breathing functions, bleed repeatedly, or cause airway compromise. Conservative management with steroids, interferon, or propranolol may be attempted, but surgery is often needed. Surgical approaches traditionally involved open procedures; however, with the growth of transoral robotic surgery, a new approach is available. This report ...
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