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Pathology

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Cell Injury

Question
27 out of 32
 

Dystrophic calcification occurs in all except: (LQ)



A Rheumatic heart disease valve
B Lymph node

C Normal kidney
D None

Ans. D None

Features

Dystrophic calcification

Metastatic calcification

1. Definition

Deposit of calcium salts in dead and degenerated tissues

Deposit of calcium salts in normal tissue

2. Calcium metabolism

3. Serum calcium level

4. Causes

Normal

Normal

Necrosis (caseous, liquefactive, fat) infarcts, thrombi, hematomas, dead parasites, old scars, atheromas, Monckeberg's sclerosis, certain tumours, cysts, calcinosis cutis

Deranged

Hypercalcaemia

Hyperparathyroidism (due to adenoma, hyperplasia, CRF, bony destructive lesions (eg: myeloma, metastatic carcinoma, prolonged immobilization, hypervitaminosis D, milk-alkali syndrome, hypercalcaemia of infancy e.g. caseous necrosis in tuberculosis!

Cell Injury Flashcard List

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