KROK 1 Stomatology 2014 – Question 146 · 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 these reactions?
- A. Petrification
- B. Hyalinosis
- C. Connective tissue edema
- D. Mucoid edema
- E. Fibrinoid necrosis of connective tissue
Hint
Metachromasia with toluidine blue points to the accumulation of a particular class of ground-substance molecules. Which stage of connective tissue disorganisation is it typical of?
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