Journal of Cytology
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Year : 2018  |  Volume : 35  |  Issue : 1  |  Page : 46-50

Comparative assessment of conventional papanicolaou and modified ultrafast papanicolaou stains in fine needle aspiration samples and body fluids

Department of Pathology, Dhanalakshmi Srinivasan Medical College and Hospital, Siruvachur, Perambalur, Tamil Nadu, India

Correspondence Address:
Dr. P Arul
Department of Pathology, Dhanalakshmi Srinivasan Medical College and Hospital, Siruvachur, Perambalur - 621 113, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JOC.JOC_94_17

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Background: Conventional Papanicolaou (Pap) stain has undergone many modifications; of these, ultrafast Pap stain is the most popular as it shortens the turnaround time of reporting. Application of modified ultrafast Pap (MUFP) stain in the evaluation of fine needle aspiration (FNA) samples and body fluids are scanty. Aim: To evaluate the utility of MUFP stain in various FNA samples and body fluids and compare the findings with those of conventional Pap stain. Materials and Methods: In this cross-sectional study, two wet-fixed and two airdried smears from each sample [301 samples (255 FNA samples and 46 body fluids)] were prepared and stained by the conventional Pap and MUFP stains, respectively. Concordant and discordant rate was calculated. Quality index (QI) of MUFP stain was assessed by background, overall staining, cell morphology, and nuclear characteristics. MUFP-stained smears were also categorized into excellent, good, and fair. Results: The concordance rate for MUFP stain was 100%. QI of MUFP stain for breast, thyroid, lymph node, soft tissue, salivary gland, and body fluids was 0.9, 0.93, 0.95, 1, 0.94, and 1, respectively. Excellent quality of stain was noted in 53.2% and good in 24.6% of the cases allowing easy diagnosis. In 22.2% of fair cases, diagnosis was possible with some difficulties. Conclusion: Our study concluded that MUFP stain could be considered as a rapid and reliable diagnostic tool and can be applied on a regular basis in FNA samples and body fluids to offer immediate diagnosis. However, caution should be taken while reporting certain MUFP-stained smears to avoid over/under diagnosis.

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