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Calcifying odontogenic cysts with intracellular amyloid-like material
Oral Surgery, Oral Medicine, and Oral Pathology
|June 1, 1976
Summary
Intracellular deposits resembling amyloid were found in calcifying odontogenic cysts. However, these amyloid-like materials are likely degenerative products, not true amyloid.
Area of Science:
- Oral pathology
- Biomaterials science
Background:
- Calcifying odontogenic cysts (COCs) are rare jaw cysts.
- Epithelial cells in certain odontogenic lesions can exhibit unusual deposits.
Purpose of the Study:
- To investigate the nature of intracellular deposits observed in the epithelial lining of calcifying odontogenic cysts.
- To differentiate these deposits from true amyloid.
Main Methods:
- Histopathological analysis of three calcifying odontogenic cyst cases.
- Staining techniques including Congo red with polarization birefringence and toluidine blue with polarization birefringence.
Main Results:
- Intracellular deposits showing amyloid-like staining characteristics (Congo red positive with green birefringence, toluidine blue positive with pink-red birefringence) were identified.
- The observed deposits differed from typical amyloid morphology and staining patterns.
Conclusions:
- The intracellular deposits in these calcifying odontogenic cysts are likely degenerative products of epithelial cells.
- These findings suggest a similarity to the material observed in calcifying epithelial odontogenic tumors (Pindborg tumors).