Clinicopathological Study of Non-Infectious Erythaematous Papulosquamous Skin Diseases.
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BACKGROUND
Papulosquamous diseases are characterized by scaly papules and plaques with similar clinical picture which amounts to confusion and hence, a definitive histopathological diagnosis goes a long way in treatment of such diseases.
OBJECTIVE
The aim of the study was to study the histomorphology of non-infectious, erythaematous, papulosquamous lesions of skin with clinicopathological correlation.
METHODS
Skin biopsies from 150 clinically diagnosed/suspected non-infectious erythaematous, papulosquamous skin diseases were received in the Department of Pathology. The specimens obtained were subjected to formalin fixation and paraffin embedding, stained with haematoxylin and eosin and studied. The lesions were classified as psoriasis, lichen planus, lichen nitidus, lichen striatus, pityriasis rosea and pityriasis rubra pilaris and clinicopathological correlation was done.
RESULTS
Papulosquamous lesions were common in the elderly. Males were commonly affected except in pityriasis rosea. Among the 150 cases studied, 72 cases (48%) were histopathologically confirmed to be papulosquamous lesions. Psoriasis was the most common lesion.
CONCLUSIONS
Key histopathological features and clinicopathological correlation gives a conclusive diagnosis. The importance of specific histomorphological diagnosis lies in distinguishing these lesions as the treatment and prognosis varies widely.
