Dystrophic calcification (DC) is the calcification occurring in degenerated or necrotic tissue, as in hyalinized scars, degenerated foci in leiomyomas, and caseous nodules. This occurs as a reaction to tissue damage, including as a consequence of medical device implantation. Dystrophic calcification can occur even if the amount of calcium in the blood is not elevated (a systemic mineral imbalance would elevate calcium levels in the blood and all tissues) and cause metastatic calcification. Basophilic calcium salt deposits aggregate, first in the mitochondria, then progressively throughout the cell. These calcifications are an indication of previous microscopic cell injury, occurring in areas of cell necrosis when activated phosphatases bind calcium ions to phospholipids in the membrane.
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| - تكلس ضموري (أنسجة) (ar)
- Dystrophic calcification (en)
- Calcificazione distrofica (it)
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| - Dystrophic calcification (DC) is the calcification occurring in degenerated or necrotic tissue, as in hyalinized scars, degenerated foci in leiomyomas, and caseous nodules. This occurs as a reaction to tissue damage, including as a consequence of medical device implantation. Dystrophic calcification can occur even if the amount of calcium in the blood is not elevated (a systemic mineral imbalance would elevate calcium levels in the blood and all tissues) and cause metastatic calcification. Basophilic calcium salt deposits aggregate, first in the mitochondria, then progressively throughout the cell. These calcifications are an indication of previous microscopic cell injury, occurring in areas of cell necrosis when activated phosphatases bind calcium ions to phospholipids in the membrane. (en)
- La calcificazione distrofica in campo medico, è il processo patologico di deposito del calcio in tessuti necrotici o in via di degenerazione. Questi più frequentemente sono valvole cardiache, cicatrici e vasi sanguigni aterosclerotici. A differenza della calcificazione metastatica qui non si mostrano ipercalcemia, o alterazioni del metabolismo del calcio. (it)
- التكلس الضمور ( DC ) هو التكلس الذي يحدث في الأنسجة المتدهورة أو النخرية، كما هو الحال في الندوب المتحللة، والبؤر المتدهورة في الورم العضلي الأملس، والعقيدات الجبنية. يحدث هذا كرد فعل لتلف الأنسجة، بما في ذلك نتيجة زرع جهاز طبي. (ar)
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| - التكلس الضمور ( DC ) هو التكلس الذي يحدث في الأنسجة المتدهورة أو النخرية، كما هو الحال في الندوب المتحللة، والبؤر المتدهورة في الورم العضلي الأملس، والعقيدات الجبنية. يحدث هذا كرد فعل لتلف الأنسجة، بما في ذلك نتيجة زرع جهاز طبي. يمكن أن يحدث تكلس ضمور حتى لو لم ترتفع كمية الكالسيوم في الدم (يؤدي اختلال التوازن المعدني الجهازي إلى ارتفاع مستويات الكالسيوم في الدم وجميع الأنسجة) ويسبب تكلسًا نقليًا . تتجمع رواسب ملح الكالسيوم القاعدية ، أولاً في الميتوكوندريا، ثم تدريجياً في جميع أنحاء الخلية. هذه التكلسات هي مؤشر على إصابة الخلايا المجهرية السابقة، والتي تحدث في مناطق نخر الخلية عندما تربط الفوسفاتازات المنشطة أيونات الكالسيوم بالفوسفوليبيدات في الغشاء. (ar)
- Dystrophic calcification (DC) is the calcification occurring in degenerated or necrotic tissue, as in hyalinized scars, degenerated foci in leiomyomas, and caseous nodules. This occurs as a reaction to tissue damage, including as a consequence of medical device implantation. Dystrophic calcification can occur even if the amount of calcium in the blood is not elevated (a systemic mineral imbalance would elevate calcium levels in the blood and all tissues) and cause metastatic calcification. Basophilic calcium salt deposits aggregate, first in the mitochondria, then progressively throughout the cell. These calcifications are an indication of previous microscopic cell injury, occurring in areas of cell necrosis when activated phosphatases bind calcium ions to phospholipids in the membrane. (en)
- La calcificazione distrofica in campo medico, è il processo patologico di deposito del calcio in tessuti necrotici o in via di degenerazione. Questi più frequentemente sono valvole cardiache, cicatrici e vasi sanguigni aterosclerotici. A differenza della calcificazione metastatica qui non si mostrano ipercalcemia, o alterazioni del metabolismo del calcio. (it)
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