Abstract
Fibroadenomas have been reported as the most common benign (non-cancerous) tumours of the female breast and are most common in women in their 20s and 30s. The clinical course and diagnosis of fibroadenoma as a benign breast lesion remains favourable except in cases of benign proliferative disease which has increased risk for breast cancer in about 0.01%. This retrospective study was to determine the prevalence of fibroadenoma in female breasts. A six year review of all patients with clinicopathologic diagnosis of fibroadenoma was carried out. A total of 110 cases of fibroadenoma constituting 39.9% of benign breast disease were reported within the study period. The age range of cases was 10-70 years with a peak incidence at 20-29 years. The study showed a high prevalence of fibroadenoma in our centre. Fibroadenoma was the most common benign tumour of female breast in Makurdi, North-Central Nigeria. We therefore recommend routine mammographic screening of high risk groups and histologic assessment of all breast lumps. This will aid early detection, intervention and reduction in the associated, though small, incidence of breast cancers.
Highlights
Fibroadenoma (FA) is the most common benign tumour of the female breast, especially in their 20s and 30s and are frequently multiple and bilateral.[1]
As in most studies within and outside Nigeria fibroadenoma in Makurdi overwhelmingly outnumbered other benign breast lesions.(Table1) In this study Fibroadenoma was most commonly seen in patients around 20-29 years.(Table2) This is in agreement with similar studies from the United States of America (USA), Ghana 21 and Kenya.[22]
The findings are similar to the reports from Zaria,[16] Gombe,[17] Ife,[18] and Calabar[19] and Benin[20] but contrast with the findings from Ibadan[23] and Kano 24 and among other Causasians where fibrocystic change was reported to be the most common benign breast disease.[25]
Summary
Fibroadenoma (FA) is the most common benign tumour of the female breast, especially in their 20s and 30s and are frequently multiple and bilateral.[1] Young women present with palpable lumps while older women present with mammographic density or mammographic calcification.[2,3] Majority of these lumps which mimic or are suspected to be breast cancers clinically or radiologically are later found to be fibroadenoma histologically. In United States of America (USA), Fibroadenoma was discovered to be the most common breast lesion
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