Abstract
IntroductionThere has been no previous study to classify benign breast lesions in details based on histopathologically confirmed diagnosis in Bayelsa State, Nigeria. This study therefore aims to review all cases of benign breast lesions seen in all the three centres in Bayelsa State with histopathology services over a five year period for a comprehensive baseline data in our community for management, research and education.MethodsThis is a multicentre retrospective descriptive study based on histopathological diagnosed benign breast lesions from January 2009 to December 2013. Archival results and slides on benign breast lesions were retrieved and analysed using simple statistical methods.ResultsA total of 228 benign breast lesions (68.3%) were seen among 334 histopathologically diagnosed breast diseases. The male to female ratio was 19.7:1. Peak age incidence was the third decade (43%) with a mean age of 29.1years. Fibroadenoma was the most common benign breast disease (BBD) accounting for 45.6% of all the cases followed by fibrocystic change (23.1%). The mean ages of fibroadenoma and fibrocystic change were 23.1years and 31.1years respectively. Inflammatory breast lesions constituted 8.3%. We recorded only 2 cases (0.9%) of atypical ductal hyperplasia (ADH) with no case of atypical lobular hyperplasia (ALH) within the study period. Gynaecomastia (4%) was the main male breast lesion in the study.ConclusionBenign breast diseases are the most common breast lesions in Bayelsa State. Fibroadenoma is the most common lesion followed by fibrocystic change. The incidence of atypical hyperplasia recorded was rather low in the state.
Highlights
The human breast is paired mammary glands composed of specialized epithelium and stroma in which can occur both benign and malignant lesions [1]
Literature has shown that proliferative breast diseases without atypia have a relative risk of 1.5 to 2.0 of developing invasive carcinoma while proliferative breast diseases with atypia (ADH and atypical lobular hyperplasia (ALH)) poses a 4.0 to 5.0 relative risk of invasive cancer development [1]
This multicentre analysis, a pioneer study in Bayelsa State of Nigeria aims at auditing the benign breast lesions in our environment to provide a comprehensive data that will form the basis for diagnosis, treatment, research and education
Summary
The human breast is paired mammary glands composed of specialized epithelium and stroma in which can occur both benign and malignant lesions [1]. There is a great need for surgeons, pathologists, radiologists and oncologists to recognize benign breast lesions but to have a baseline data to aid accurate diagnosis, treatment, prognostication and ability to access prevalence of such lesions at risk of malignant transformation in our local environment. This multicentre analysis, a pioneer study in Bayelsa State of Nigeria aims at auditing the benign breast lesions in our environment to provide a comprehensive data that will form the basis for diagnosis, treatment, research and education
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