Breast lumps epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Shadan Mehraban, M.D.[2]

Overview

The incidence rate of benign breast disease is not clear due to the fact that breast lumps do not consider as life threatening problems^[1]
Women who receive medical therapies or surgeries mostly come into account
Particular detection rate is not known and estimated

The prevalence of benign breast disease is approximately 68% among all breast diseases^[2]
Approximately 605 of benign breast diseases occur in left breast and 40% in the right breast
100% of definite palpable lumps are characteristics of fibroadenoma,phyllodes tumor and adenomyoepithelioma
64% of lumps located in upper outer quadrant,26% of lumps in lower outer quadrant, 10% of lumps in upper inner quadrant

Age-specific incidence rate of benign breast diseases^[1]

The incidence rate of fibrocystic disease is 137 per 100000 in women aged 25-29 years,411 per 100000 in age of 40-44 years and 387 per 100000 in 45-49 years
The incidence rate of fibroadenoma is 115 per 100000 in women aged 20-24 years
The peak incidence rate of fibroadenoma is between 15-35 years^[3]

There is no racial predilection to benign breast disease^[4]
The prevalence of fibroadenoma is higher in black women than white individuals^[5]

[Disease name] affects men and women equally.
[Gender 1] are more commonly affected by [disease name] than [gender 2]. The [gender 1] to [gender 2] ratio is approximately [number > 1] to 1.

↑ ^1.0 ^1.1 Goehring C, Morabia A (1997). "Epidemiology of benign breast disease, with special attention to histologic types". Epidemiol Rev. 19 (2): 310–27. PMID 9494790.
↑ M, Dr. Vijayalakshmi; Rao, Dr. J Yadigiri; Shekar, Dr. T.Y.; Balakrishnan, Dr. Shobha; M, Dr. Divya; K, Dr. Sameera; N, Dr. Alekya; JVNK, Dr. Aravind (2016). "Prevalence of Benign Breast Disease and Risk of Malignancy in Benign Breast Diseases". IOSR Journal of Dental and Medical Sciences. 15 (08): 32–36. doi:10.9790/0853-1508083236. ISSN 2279-0861.
↑ Hughes LE, Mansel RE, Webster DJ (1987). "Aberrations of normal development and involution (ANDI): a new perspective on pathogenesis and nomenclature of benign breast disorders". Lancet. 2 (8571): 1316–9. PMID 2890912.
↑ Ernster VL (1981). "The epidemiology of benign breast disease". Epidemiol Rev. 3: 184–202. PMID 7308322.
↑ Oluwole SF, Freeman HP (1979). "Analysis of benign breast lesions in blacks". Am J Surg. 137 (6): 786–9. PMID 453472.