Evaluation of agreement between clinical and histopathological diagnosis of subtype of leprosy by skin punch biopsy

Authors

  • Suman Poudel Gandaki Medical College Teaching Hospital, Pokhara, Nepal
  • Sunita Ranabhat Gandaki Medical College Teaching Hospital, Pokhara, Nepal
  • Gita Pun Gandaki Medical College Teaching Hospital, Pokhara, Nepal

DOI:

https://doi.org/10.3126/jgmcn.v13i1.28357

Keywords:

Bacillary index, Leprosy, Ridley and Jopling Classification

Abstract

Introduction: Leprosy is chronic granulomatous disease caused by Mycobacterium leprae. Clinically diagnosed cases of leprosy can be evaluated by punch biopsy. It can be classified according to Ridley and Jopling Classification.

Objective: To study the different spectrum of leprosy and its Bacillary Index (BI), evaluate the agreement between clinical and histopathological diagnosis.

Materials and Methods: This is a hospital based cross sectional retrospective study done for the period of 6 months from January to June 2019. The data were subjected to kappa analysis by using SPSS version 24 to see the agreement between clinical and histopathological diagnosis.

Results: Out of 62 cases of clinically diagnosed cases of leprosy three (4.83%) cases turned out to be other granulomatous diseases. According to Ridley and Jopling classification, clinical and histopathological agreement was seen in 38 (61.29%) cases. Agreement of 100% was seen in Indeterminate leprosy (IL) and Borderline tuberculoid leprosy (BT). The BI was more in Lepromatous leprosy (LL), Borderline lepromatous (BL) whereas IL, BT and Tuberculoid leprosy (TT) showed less BI. Overall there was moderate agreement between clinical and histopathological diagnosis (kappa- 0.505) which was statistically significant (p value <0.05).

Conclusion: There was moderate agreement between the clinical and histopathological diagnosis of subtype of leprosy. The Bacillary load was high in LL whereas least in TT and is determined by immune system.

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Author Biographies

Suman Poudel, Gandaki Medical College Teaching Hospital, Pokhara, Nepal

Lecturer, Department of Pathology

Sunita Ranabhat, Gandaki Medical College Teaching Hospital, Pokhara, Nepal

Associate Professor, Department of Pathology

Gita Pun, Gandaki Medical College Teaching Hospital, Pokhara, Nepal

Lecturer, Department of Pathology

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Published

2020-06-04

How to Cite

Poudel, S., Ranabhat, S., & Pun, G. (2020). Evaluation of agreement between clinical and histopathological diagnosis of subtype of leprosy by skin punch biopsy. Journal of Gandaki Medical College-Nepal, 13(1), 4–8. https://doi.org/10.3126/jgmcn.v13i1.28357

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Section

Original Articles