About: Gemistocyte

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A gemistocyte (/dʒɛˈmɪstəsaɪt/ jem-ISS-tə-syte; from Greek γέμιζω (gemizo) 'to fill up') is a swollen, reactive astrocyte. Gemistocytes are glial cells that are characterized by billowing, eosinophilic cytoplasm and a peripherally positioned, flattened nucleus. Gemistocytes most often appear during acute injury; and eventually, shrink in size. They are usually present in anoxic-ischemic brains, which occurs when there is a complete lack of blood flow to the brain. The human brain contains many cells that can impact gliosis, including endothelial progenitors, fibroblast lineage cells, different types of inflammatory cells, and various types of glia and neural-lineage progenitor cells, which include astrocytes. Gliosis occurs when the body creates more, or larger, glial cells that cause scar

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  • Das gemistozytische (oder gemistozytäre) Astrozytom ist ein Hirntumor und wird in der aktuellen WHO-Klassifikation der Tumoren des zentralen Nervensystems zu den (niedrig-maligne Astrozytome) gezählt mit einem (WHO Grad II) und als Form eines diffusen Astrozytoms bezeichnet. Der Tumor geht von den Astrozyten aus und tritt meist im jungen Erwachsenenalter durch einen Krampfanfall in Erscheinung. Die Prognose ist gegenüber anderen WHO-Grad II Astrozytomen ungünstiger. Namensgebend ist in der Histologie ein größerer Anteil an (große, mit eosinophilem Material gefüllte Astrozyten). Allerdings können gelegentlich auch bei anderen Gliomen wie fibrilläres Astrozytom oder Oligodendrogliom Gemistozysten nachgewiesen werden. Synonyme sind: englisch Gemistocytic astrocytomas; Diffuse astrocytoma; Low grade astrocytoma Die Erstbeschreibung stammt aus dem Jahre 1904 durch Franz Nissl. Dieser Tumor ist fast immer supratentoriell und meist im Frontallappen lokalisiert.Klinische Erscheinungen, Diagnostik und Behandlung entspricht dem anderer Niedriggradig maligner Gliome, siehe . (de)
  • A gemistocyte (/dʒɛˈmɪstəsaɪt/ jem-ISS-tə-syte; from Greek γέμιζω (gemizo) 'to fill up') is a swollen, reactive astrocyte. Gemistocytes are glial cells that are characterized by billowing, eosinophilic cytoplasm and a peripherally positioned, flattened nucleus. Gemistocytes most often appear during acute injury; and eventually, shrink in size. They are usually present in anoxic-ischemic brains, which occurs when there is a complete lack of blood flow to the brain. The human brain contains many cells that can impact gliosis, including endothelial progenitors, fibroblast lineage cells, different types of inflammatory cells, and various types of glia and neural-lineage progenitor cells, which include astrocytes. Gliosis occurs when the body creates more, or larger, glial cells that cause scars in the brain that impact body functions. The human body has many body functions to maintain homeostasis because gliosis can occur immediately upon injury. Anoxic-ischemic brains usually occur in patients who have had cardiac arrest and prolonged attempt at cardiopulmonary resuscitation. (en)
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  • Das gemistozytische (oder gemistozytäre) Astrozytom ist ein Hirntumor und wird in der aktuellen WHO-Klassifikation der Tumoren des zentralen Nervensystems zu den (niedrig-maligne Astrozytome) gezählt mit einem (WHO Grad II) und als Form eines diffusen Astrozytoms bezeichnet. Der Tumor geht von den Astrozyten aus und tritt meist im jungen Erwachsenenalter durch einen Krampfanfall in Erscheinung. Die Prognose ist gegenüber anderen WHO-Grad II Astrozytomen ungünstiger. Synonyme sind: englisch Gemistocytic astrocytomas; Diffuse astrocytoma; Low grade astrocytoma (de)
  • A gemistocyte (/dʒɛˈmɪstəsaɪt/ jem-ISS-tə-syte; from Greek γέμιζω (gemizo) 'to fill up') is a swollen, reactive astrocyte. Gemistocytes are glial cells that are characterized by billowing, eosinophilic cytoplasm and a peripherally positioned, flattened nucleus. Gemistocytes most often appear during acute injury; and eventually, shrink in size. They are usually present in anoxic-ischemic brains, which occurs when there is a complete lack of blood flow to the brain. The human brain contains many cells that can impact gliosis, including endothelial progenitors, fibroblast lineage cells, different types of inflammatory cells, and various types of glia and neural-lineage progenitor cells, which include astrocytes. Gliosis occurs when the body creates more, or larger, glial cells that cause scar (en)
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  • Gemistozytisches Astrozytom (de)
  • Gemistocyte (en)
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