title: CD10 and osteopontin expression in dentigerous cyst and ameloblastoma.
abstract: OBJECTIVE
  To investigate the expression of CD10 and osteopontin in dentigerous cyst and ameloblastoma and to correlate their expression with neoplastic potentiality of dentigerous cyst and local invasion and risk of local recurrence in ameloblastoma.
  
  
  METHODS
  CD10 and osteopontin expression was studied by means of immunohistochemistry in 9 cases of dentigerous cysts (DC) and 17 cases of ameloblastoma. There were 7 unicystic ameloblastoma (UCA) and 10 multicystic ameloblastoma (MCA). Positive cases were included in the statistical analysis, carried on the tabulated data using the Open Office Spreadsheet 3.2.1 under Linux operating system. Analysis of variance and correlation studies were performed using "R" under Linux operating system (R Development Core Team (2010). Tukey post-hoc test was also performed as a pair-wise test. The significant level was set at 0.05.
  
  
  RESULTS
  High CD10 and osteopontin expression was observed in UCA and MCA, and low CD10 and osteopontin expression was observed in DC. Significant correlation was seen between CD10 and osteopontin expression and neoplastic potentiality of DC and local invasion and risk of recurrences in ameloblastoma.
  
  
  CONCLUSIONS
  In DC, high CD10 and osteopontin expression may indicate the neoplastic potentiality of certain areas. In UCA & MCA, high CD10 and osteopontin expression may identify areas with locally invasive behavior and high risk of recurrence.
authors: Oral Pathology Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt.
authors: Shaimaa M
authors: SM
authors: Masloub
authors: Adel M
authors: AM
authors: Abdel-Azim
authors: Ehab S Abd
authors: ES
authors: Elhamid
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