نتایج جستجو برای: morphologic patterns
تعداد نتایج: 470637 فیلتر نتایج به سال:
Accurate diagnosis of most middle ear pathological conditions including otitis media remains challenging in a clinical setting. Standard ear evaluations are still performed primarily on the basis of human recognition of morphologic patterns in vivo using white light otoscope and suffer from significant observer variability providing minimal understanding of a disease’s underlying biochemistry. ...
Serum protein electrophoresis is used in clinical practice to identify patients with multiple myeloma and other serum protein disorders. It is an inexpensive and easy-to-perform screening procedure. Electrophoresis separates serum proteins based on their physical properties and identifies morphologic patterns in response to acute and chronic inflammation, various malignancies, liver or renal fa...
Severe hemorrhagic enterocolitis was observed in a Siberian tiger (Panthera tigris altaica) and a lion (Panthera leo). Both animals developed acute depression, anorexia, and bloody diarrhea several days before death. Small and large intestines were diffusely congested, edematous, necrotic, and filled with hemorrhagic fluid, and mesenteric lymph nodes were enlarged and congested. Pure and abunda...
In this study we present a morphological approach in observing the interaction of cationic magnetic nanoparticles with A-549 cells (human lung adenocarcinoma). Under our experimental conditions, nanoparticles easily penetrated cells and were observed in vivo, using bright light microscopy. In fixed cells, nanoparticles remained inside cells, showing quantity and distribution patterns similar to...
A cerebral granular cell tumor is described in a 6-year-old, short-haired, female cat. The tumor was observed above the corpus callosum and completely infiltrating the third ventricle. Histologic examination revealed that the tumor was characterized by large cells containing densely packed intracytoplasmic granules and expressed psammoma body-like patterns and cholesterinic degeneration. Immuno...
The surface electrocardiogram (ECG) is a useful tool to help identify the sites of origin of ventricular tachycardia (VT). Despite such limitations as chest wall deformity and metabolic and drug effects, the analysis of the QRS morphologic patterns and vectors can discern the site of activation of myocardium. There have been described numerous reports about ECG features of idiopathic left- and ...
Isolated left ventricular noncompaction (LVNC) is a rare cardiomyopathy with morphologic characteristics of two distinct myocardial layers i.e., thin compacted epicardial and thick noncompacted endocardial layers. The noncompacted myocardium consists of prominent ventricular trabeculae and deep intertrabecular recesses. It can lead to arrhythmias, heart failure or systemic embolisms. Electrocar...
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