The relationship of the histologic grade at the deep invasive front and the expression of Ki-67 antigen and p53 protein in oral squamous cell carcinoma

2005 ◽  
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pp. 602-607 ◽  
Author(s):  
Hideo Kurokawa ◽  
Min Zhang ◽  
Shinobu Matsumoto ◽  
Yoshihiro Yamashita ◽  
Toshiko Tanaka ◽  
...  
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Akhilesh Chandra ◽  
Ruchita Verma ◽  
Renuka Verma ◽  
Jalaj Tak ◽  
Anil Singh ◽  
...  

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Narges Ghazi ◽  
Kazem Anvari ◽  
Farnaz Mohajertehran ◽  
Tahmineh Organji ◽  
...  

2014 ◽  
Vol 134 (4) ◽  
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Lluís Nisa ◽  
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Christian Simon ◽  
Snezana Andrejevic-Blant ◽  
...  

2016 ◽  
Vol 6 (12) ◽  
pp. 1013-1017
Author(s):  
G Dundy ◽  
H Kumar ◽  
A Singh ◽  
A Chandarakant

Background: Mutation of p53 gene is one of the most common events in oral carcinogenesis. Accumulation of p53 protein has also been detected in premalignant lesions.Materials and Methods:  This study included 40 biopsy samples, which were received in department of pathology, Sarojini Naidu Medical College, Agra, to ascertain p53 expression by immunohistochemically, in patients with oral squamous cell carcinomas and to correlate its expression with histological grade, different sites in oral cavity and tobacco intake/smoking habits.Results: Out of 40 biopsies of oral mucosa, 03 showed normal oral mucosa and 37 were diagnosed as squamous cell carcinoma (SCC), most patients were in 5th and 6th decade and majority (86.5%) of oral SCC were males with buccal mucosa being the most common site. There was a statistically significant difference in p53 expression between oral SCC and normal oral mucosa (p value <0.05). Of total 37 cases, 12 cases were well differentiated type, 16 moderately differentiated and 09 of poorly differentiated type of SCC. In each category, about two thirds were positive for p53 staining. Out of total 37 cases of oral SCC, 64.9% were positive and 35.1% were negative for p53 expression, 34 cases had positive history of tobacco intake/smoking habits, of which 23 cases were positive while 11 cases were negative for p53 staining.Conclusion: Abnormal p53 protein was detected in 64.9% of oral squamous cell carcinoma, but not in normal oral mucosa. p53 expression was associated with malignant transformation of oral mucosa. 


2014 ◽  
Vol 18 (2) ◽  
pp. 169 ◽  
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SmitaShrishail Birajdar ◽  
MB Radhika ◽  
K Paremala ◽  
Mohsin Gadivan ◽  
M Sudhakara ◽  
...  

Author(s):  
A. Bascones-Martinez ◽  
R. Rodriguez-Gutierrez ◽  
E. Rodriguez-Gomez ◽  
JA. Gil-Montoya ◽  
R. Gomez-Font ◽  
...  

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