HISTOPATHOLOGICAL STUDY OF PIGMENTED LESIONS OF SKIN

Objectives: The purpose of this study is : To study the relative incidence, site, distribution and characteristics of various disorders causing pigmentary lesions. Study Design: Prospective observational study. Setting: Histopathology Department, B.J Medical College, Civil Hospital Ahmedabad. Period:Consecutive cases with clinical diagnosis of pigmented skin lesion, period between August 2020 to September 2022. Method: In this study, all the specimens were incisional biopsies of skin, fixed in 10% formalin, embedded in paraffin, and stained with Hematoxylin and Eosin stains. Result: On analyzing 284 consecutive pigmented skin lesions starting from the year 2020, it was found that the large majority of these lesions were benign. The most common pigmented skin lesion was melanocytic nevus. Pigmentary lesions include both hyperpigmented and hypopigmented lesions.Out of 284 of biopsies of skin 176 biopsies were hypopigmented lesions and 108 biopsies were hyperpigmented lesions. Conclusion: In conclusion, most of the pigmented skin lesions are benign, encountered between the age group of 30-40 years and commonly affect the head and neck followed by all over the body. Patch forms the most common type of lesion. In hypopigmented lesions Leprosy and in hyperpigmented lesions Nevus was the most common lesion.