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Year : 2020  |  Volume : 6  |  Issue : 3  |  Page : 211-215

A Study of Indices in Smear Positive Leprosy in Post-Elimination Era: Experience at a Teaching Tertiary Care Centre

1 Department of Microbiology, Government Medical College, Nagpur, Maharashtra, India
2 Department of Microbiology, All India Institute of Medical Sciences, Nagpur, Maharashtra, India

Correspondence Address:
MD Meena Mishra
Professor and Head, Department of Microbiology, All India Institute of Medical Sciences, Nagpur, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/mamcjms.mamcjms_51_20

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Background: Leprosy is an oldest chronic infectious disease known to mankind that predominantly affects the skin and peripheral nerves. Objective: To evaluate the bacteriological and morphological indices in smear positive cases. Materials and Method: Retrospective observational study was undertaken for one year duration on suspected cases of leprosy. Smears were prepared from one from each of the ear lobes by slit and scrap method and one from the site of lesion. Smears were stained with modified Ziehl-Neelsen stain and bacteriological/morphological indices were calculated. Results: Among 345 clinically suspected cases, 160 (46.38%) were multibacillary with male to female ratio 1.9:1 and most of cases from rural area of lower/middle class of third and fourth decade. All the three sites smears were positive in 112 (70%) cases. 66 (41.25%) cases had bacteriological index of 1+ while more than 1000 bacilli, on average, in 1each oil-immersion field (BI 6+) was observed in 1 (0.62%) cases. In 70 (43.75%) cases morphological index was less than 25 while in 14(8.75%) cases it was more than 50. Conclusion: Bacteriological and morphological index is one of the most important tools for diagnosis, classification, monitoring of treatment and disease severity.

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