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The spectrum of non- neoplastic skin lesions in Ibadan, Nigeria: a histopathologic study
Abstract
Introduction: Non-neoplastic skin lesions constitute the majority of skin diseases. There is a paucity of histopathology studies of non-neoplastic skin diseases in Nigeria and the West Africa sub-region in general. This is because the dermato-pathology sub-specialty is poorly developed. Therefore, the main aim of this study is to determine the spectrum of histologically diagnosed non-neoplastic skin lesions in Ibadan, Nigeria. Methods: This is a retrospective study. All non-neoplastic skin lesions diagnosed in the Department of Pathology, University College Hospital, Ibadan over a five year period. (January 2006 to December 2010) was reviewed. The lesions were classified into eight groups according to the International Classification of Diseases (ICD)-10 of skin and subcutaneous disorders. The main classes include Dermatitis/Eczema, Papulosquamous disorders, Infectious disorders, Connective tissue diseases, Bullous disorders, Naevi/Developmental lesions, Granulomatous lesions, keratinizing disorders and other categories/Miscellaneous group. Results: A total of 209 non-neoplastic skin lesions comprised 1.3% of all surgical pathology specimen received within the study period. The modal age group was 20-29. The Dermatitis/Eczema group has the highest frequency of 87 cases representing 41.6% of cases, papulosquamous disorders 39 (18.7%), infectious disorders 37 (17.7%), bullous disorders 11 (5.3%) and connective tissue disorder 9 (4.3%). Chronic non-specific dermatitis was the commonest specific diagnosis comprising 60 cases (28.7%) of all the skin diseases. The other common specific skin lesions were lichen planus/lichenoid dermatitis 27(12.9% of 209 cases), verruca vulgaris 25 (12% of 209 cases). Conclusion: The number of histologically diagnosed non-neoplastic skin lesions is relatively small. There is a very wide spectrum of non-neoplastic skin lesions diagnosed within this period. There is a need for a specific diagnosis considering the high frequency of chronic non-specific dermatitis.
Pan African Medical Journal 2016; 23
Pan African Medical Journal 2016; 23
