Journal of Cytology
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Year : 2016  |  Volume : 33  |  Issue : 3  |  Page : 115-119

Improvization of conventional cytology by centrifuged liquid-based cytology in oral exfoliative cytology specimen

Department of Oral and Maxillofacial Pathology and Microbiology, SDM College of Dental Sciences and Hospital, Dharwad, Karnataka, India

Correspondence Address:
Dr. Shwetha Nambiar
"Shreyas", D.No.4-95/5, Near Kavoor Junction, Kavoor, Mangalore - 575 015, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9371.188045

Clinical trial registration IRB No. 2014/P/OP/19

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Background: Exfoliative cytology is the microscopic examination of shed or desquamated cells from the epithelial surface. Centrifuged liquid-based cytology (CLBC) is a modified technique that was used in the current study. Aims: To compare the efficacy of CLBC with conventional cytology in apparently normal mucosa after staining with Papanicolaou (PAP) stain. Materials and Methods: Fifty cases of apparently normal mucosa from healthy subjects were selected for the study. The first sample was taken and spread on the slide by the conventional technique. The second sample was flushed out in a suspending solution, centrifuged, and the cell pellet obtained was used to make the smear. The stained smears were compared for seven parameters such as adequate cellularity, clear background, uniform distribution, cellular overlapping, cellular elongation, mucus, and inflammatory cells. Chi-square test was used for statistical analysis and P ≤ 0.05 was considered to be statistically significant. Results: There was a statistically significant difference between CLBC and conventional cytology with parameters such as adequate cellularity (P = 0.001), clear background (P = 0.001), uniform distribution (0.005), cellular overlapping, and cellular elongation (P = 0). The presence of mucus and inflammatory cells was minimal as the samples were collected from healthy subjects. Conclusion: CLBC has better efficacy over the conventional method in all the parameters analyzed.

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