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1.
Cell Mol Biol (Noisy-le-grand) ; 61(4): 41-5, 2015 Aug 17.
Article in English | MEDLINE | ID: mdl-26278266

ABSTRACT

Oral squamous cell carcinoma (OSCC) is a disease with high mortality and morbidity. Metastasis is a significant prognostic factor of the OSCC patients. The Rho GTPases are signaling proteins that controls important cellular processes in various complex mechanisms involved in carcinogenesis. This study aimed to evaluate the expression pattern of RhoC in OSCC protein by immunohistochemistry in situ. Immunohistochemical reactions were performed for RhoC by the method of avitina-biotin-peroxidase activity in samples OSCC: well differentiated (BD, n=6), moderately differentiated (MD, n=24) and poorly differentiated (PD, n=13). The morphometry was taken by QuickScore (percentage and intensity of staining) and only intensity staining. There was no statistical difference (p>0.05) through none of the modes of morphometric analysis between BD, MD and PD. And the RhoC staining was not associated with the histopathologic grading (χ2 = 4.65, p>0.05). However, the morphological evaluation of immunostained for RhoC in cases BD, MD, PD OSCC, regardless of histopathologic grading. These results suggest that there is no correlation between the RhoC immunoexpression and histopathological grading of OSCC.


Subject(s)
Carcinoma, Squamous Cell/pathology , Mouth Neoplasms/pathology , rho GTP-Binding Proteins/metabolism , Biomarkers, Tumor/metabolism , Carcinoma, Squamous Cell/metabolism , Humans , Immunohistochemistry , Middle Aged , Mouth Neoplasms/metabolism , Neoplasm Grading , rhoC GTP-Binding Protein
2.
Eur J Gynaecol Oncol ; 28(3): 236-8, 2007.
Article in English | MEDLINE | ID: mdl-17624097

ABSTRACT

Granulosa cell tumors account for approximately 1-2% of all ovarian tumors. There are two types: adult granulosa cell tumor and juvenile granulosa cell tumor. Juvenile granulosa cell tumors constitute 5% of this histological subtype, and the prognosis is good because the majority present as Stage I tumors. The treatment can consist of conservative surgery. Androgen production is rare and produces virilization in women. These tumors are usually solid or predominantly solid. We describe the case of a 13-year-old girl with androgenic manifestations and increased abdominal size. Her plasma testosterone level was elevated. A left adnexal cyst (14.4 x 9.1 x 9.7 cm) was revealed at pelvic ultrasonography. The patient underwent an exploratory laparotomy, revealing a left ovarian cystic tumor. Diagnosis was juvenile granulosa cell tumor.


Subject(s)
Granulosa Cell Tumor/pathology , Granulosa Cell Tumor/surgery , Ovarian Neoplasms/pathology , Ovarian Neoplasms/surgery , 17-alpha-Hydroxyprogesterone/blood , Adolescent , Female , Granulosa Cell Tumor/blood , Humans , Ovarian Neoplasms/blood , Testosterone/blood
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