To Study the Clinicopathological Correlation of Common Pigmentary Disorders of Skin

Objective To Study The Clinicopathological Correlation Of Common Pigmentary Disorders Of Skin. Materials and methods A study of 50 patients was conducted to study the histopathological findings in pigmentary disorders of skin along with their clinicopathological correlation. Results In our study major causes of pigmentary disorders were Post inflammatory hyperpigmentation (22 %), Lichen planus pigmentosis (16 %), Macular amyloidosis (10 %), Lichen amyloidosis (8 %), Seborrheic keratosis (8 %), Epidermal nevus (6 %), etc. In our study, the histopathological features of pigmentary disorders were perivascular inflammatory infiltrate in 72 % patients, pigment incontinence in 62 % patients, elongation of rete ridges in 30 % patients, acellular pinkish material and increase basal pigmentation in 18 % patients, pappilomatosis, horn cysts and pseudocysts in 8 % patients, nests of melanocytes in 6 % patients, melanocyte proliferation in 4 % patients and ectatic blood vessels in 2 % patients. Conclusion Clinicopathological concordance was seen in 60 % of cases.