WebNov 28, 2024 · Pigmented purpuric dermatosis (PPD) is this term used to describe a data of numerous subtypes of typical benign, constant, purpuric skin eruptions. Clinically, they are characterized by ruby to purple macules and patches the well as petechiae with erythrocyte extravasation and hemosiderin deposition in the skin, which can lead to a red-brown to … WebDec 26, 2024 · In an MRI report, the white spots might be described as: "High signal intensity areas". "White matter hyperintensities" (lesions that appear bright white on certain sequences of MRI scans) " Leukoaraiosis " (a term that is used if the spots are thought to be caused by decreased blood flow. "Nonspecific white matter changes".
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Webrepresent hemosiderin, calcification, physiological ferritin, melanoma, air, and some paramagnetic contrast agents.7 In particular, T2*-weighted MRI is regarded as a sensitive … WebHemosiderosis. Hemosiderosis is focal deposition of iron that does not typically cause tissue damage. (See also Overview of Iron Overload .) Focal hemosiderosis can result … うめひびき 日帰り
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WebThe restricted diffusion in abscesses is thought to be due to the presence of viscous fluid containing cellular debris, bacteria, inflammatory cells, and mucoid proteins. Animal models have shown an inverse correlation between cellular density and ADC. And from the Stokes-Einstein equations diffusivity is inversely proportional to viscosity. WebSep 16, 2024 · hemosiderin deposition can lead to a spiculated mass with calci fi cation- like high densityy on mammography and as a large susceptibility arti- fact on MRI is important to acknowledge. うめひびき