نتایج جستجو برای: cytology study
تعداد نتایج: 3980455 فیلتر نتایج به سال:
BACKGROUND Screening of anal cancer in HIV-infected MSM with anal cytology results in high rates of false positive results and elevated burden of high-resolution anoscopies. High-risk HPV up-regulates p16 and Ki67 expression in epithelial cells. We assessed the usefulness of P16/Ki-67 immunostaining cytology for the diagnosis of precancerous anal lesions. METHODOLOGY Cross-sectional multicent...
BACKGROUND/AIMS Small core biopsy samples can occasionally be obtained with conventional endoscopic ultrasonography-guided fine needle aspiration (EUS-FNA). Although most studies have focused on the cytological analysis of specimens, data regarding histological assessment is scarce. The aim of this study was to determine whether core biopsies by conventional EUS-FNA could increase the accuracy ...
BACKGROUND & OBJECTIVES There is no ideal screening method for cervical cancer in India with the role of human papilloma virus (HPV) detection yet to be established. This study was undertaken to compare the diagnostic accuracy of HPV testing by hybrid capture II (HC-II) with conventional cervical smear cytology for squamous intraepithelial lesions (SIL). METHODS This prospective study was con...
OBJECTIVE To ascertain whether the presence of genital infection adversely affects smear quality. METHOD A prospective study of all patients having cytology performed. The presence of genital infection was recorded and compared with the smear result. RESULTS The presence of genital infection was not associated with inadequate cytology. Inflammatory changes were found in association with sym...
Two hundred asymptomatic women in a general practice were screened both cytologically and colposcopically for evidence of cervical intraepithelial neoplasia. The prevalence detected by cytology alone was 5%, but the prevalence detected by cytology and colposcopy together was 11%. None of the larger lesions of cervical intraepithelial neoplasia (affecting more than two quadrants of the cervix) w...
The aim of the present study was to investigate whether imprint cytology can improve the diagnostic accuracy of computed tomography-guided transthoracic core biopsy. Between October 1997 and June 2004, thoracic lesions in 622 patients underwent biopsy using 19-gauge coaxial guiding needles and 20-gauge biopsy needles under computed tomography guidance. Touch imprint cytology and histopathology ...
Fine-needle aspiration cytology guided by ultrasound imaging is a widely used diagnostic tool to evaluate neoplastic or inflammatory lesions of salivary glands. From February 2002 to February 2008 all the parotid lesions removed surgically in our Unit of Otolaryngology were reviewed. Study focused on sensitivity, specificity, accuracy, predictive values, likelihood ratios, and Kappa statistics ...
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