Related Experiment Video
Updated: Mar 7, 2026

10:02
High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
Published on: July 25, 2015
19.8K
Study of Bacteriological and Morphological Indices in Lymph Node by Needle Aspiration
Indian Journal of Dermatology, Venereology and Leprology
|February 23, 2017
Summary
Lymph node aspiration and smear techniques offer a safer, less painful method for assessing leprosy bacilli viability. This approach is recommended over excisional biopsy for monitoring anti-leprosy treatment effectiveness.
Area of Science:
- Medical Microbiology
- Clinical Pathology
- Dermatology
Background:
- Leprosy diagnosis and treatment monitoring often involve invasive procedures.
- Assessing the viability of Mycobacterium leprae is crucial for evaluating treatment efficacy.
- Traditional lymph node excision biopsy is time-consuming and painful for patients.
Purpose of the Study:
- To evaluate lymph node aspiration and smear techniques for assessing leprosy bacilli viability.
- To compare the safety and patient experience of aspiration smears versus excision biopsy.
- To establish a less invasive method for monitoring anti-leprosy treatment.
Main Methods:
- Studied 30 leprosy patients using lymph node aspiration and impression smears.
- Calculated Bacillary Index (BI) and Morphological Index (MI) from lymph node samples.
- Compared the procedure with traditional lymph node excision biopsy.
Main Results:
- Lymph node aspiration and smear techniques are comparatively safer and less traumatizing.
- These outpatient procedures are suitable for assessing bacilli viability (MI).
- The method is recommended as a better alternative to lymph node excision biopsy.
Conclusions:
- Lymph node aspiration and smear cytology are effective for studying leprosy bacilli viability.
- This technique provides a less invasive and more patient-friendly approach to monitoring treatment.
- Recommended for routine use in patients undergoing anti-leprosy therapy.

