PATHOLOGY MCQ
TISSUE DEGENERATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the main difference of metastatic and dystrophic calcification?
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Metastatic:Occurs at normal soft tissueDystrophic:Occurs at necrotic soft tissue
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Metastatic:Occurs at necrotic soft tissue Dystrophic:Occurs at normal soft tissue
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Metastatic:Occurs at normal boneDystrophic:Occurs at necrotic bone
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Metastatic:Occurs at necrotic boneDystrophic:Occurs at normal bone
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Explanation:
Detailed explanation-1: -Pulmonary calcifications can be divided into two types: (1) dystrophic calcification, which refers to deposition of calcium in previously injured tissue and (2) metastatic calcification, which refers to deposition of calcium in normal tissue.
Detailed explanation-2: -Deposition of calcium salt as a result of chronic inflammation, necrosis or scarring in injured tissues despite normal phosphorous and calcium metabolism is called dystrophic calcification. A variety of systemic disorders can be associated with this type of calcification but, still, the pathophysiology is not clear.
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