KROK 1 Stomatology 2013 – Question 149 · KROK (Dentistry)
The surgically excised connective tissue of the deformed mitral valve gives a basophilic reaction when stained with hematoxylin and eosin. When stained with toluidine blue it turns purple (metachromasia). What changes of the connective tissue can be detected by such reactions?
- A. Mucoid edema
- B. Connective tissue edema
- C. Fibrinoid necrosis of connective tissue
- D. Petrification
- E. Hyalinosis
Hint
Think about which early, reversible stage of connective tissue disorganization involves build-up of glycosaminoglycans that cause metachromasia.
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