Breast disorders in children and adolescents
- Chantay Banikarim, MD, MPH
Chantay Banikarim, MD, MPH
- Director of Adolescent Medicine
- St. Joseph's Hospital & Medical Center, Phoenix
- Nirupama K De Silva, MD
Nirupama K De Silva, MD
- Clinical Associate Professor
- University of Oklahoma-Tulsa
- Section Editors
- Jan E Drutz, MD
Jan E Drutz, MD
- Section Editor — General Pediatrics
- Professor of Pediatrics
- Baylor College of Medicine
- Amy B Middleman, MD, MPH, MS Ed
Amy B Middleman, MD, MPH, MS Ed
- Section Editor — Adolescent Medicine
- Professor of Pediatrics, Chief of Adolescent Medicine
- University of Oklahoma Health Sciences Center
Breast development during adolescence is an important marker of the transition to adulthood . Abnormalities or anomalies of normal breast development can result in poor self-esteem or make the adolescent feel self-conscious, but most breast lesions in children and adolescents are otherwise benign and self-limited.
An overview of breast disorders in children and adolescents will be presented here. Breast masses in children and adolescents, gynecomastia in male adolescents, and disorders of the breast in adult women are discussed separately. (See "Breast masses in children and adolescents" and "Epidemiology, pathophysiology, and causes of gynecomastia" and "Clinical features, diagnosis, and evaluation of gynecomastia in adults" and "Clinical manifestations and diagnosis of a palpable breast mass" and "Overview of benign breast disease" and "Breast pain".)
The breasts start forming in the fifth week of embryonic life. They originate from endodermal elements termed mammary ridges. The mammary ridges extend from the embryonic axilla to the inguinal region, but only the area over the fourth intercostal space develops further, while the rest atrophies. Under the influence of steroid hormones during childhood growth and development, the breast buds enlarge, and glandular elements appear . Adipose tissue and lactiferous ducts (lobes of the mammary gland at the tip of the nipple) grow in response to estrogens, while progesterone stimulation causes lobular growth and alveolar budding .
Thelarche typically begins between the ages of 8 and 13 years, with an average age of onset of 10.3 years [3,4]. While the breast bud is one of the first signs of puberty, the estimated mean time for full breast development is 4.2 years . Adolescent breast development is described according to the stages developed by Tanner in 1969 (picture 1) . (See "Breast development and morphology" and "Normal puberty".)
Clinical examination — A breast examination should be included in the annual examination of all children and adolescents [6,7]. Examination of the newborn includes assessment of breast size, nipple position, presence of accessory nipples, and nipple discharge . Asymmetric breast enlargement and/or a thin milky nipple discharge ("witch's milk") related to stimulation from maternal hormones can occur in both males and females. (See 'Congenital abnormalities' below and "Breast masses in children and adolescents", section on 'Neonates and infants'.)
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- BREAST DEVELOPMENT
- BREAST EXAMINATION
- Clinical examination
- CONGENITAL ABNORMALITIES
- Accessory breast tissue
- Athelia and amastia
- ABNORMALITIES OF SIZE AND SYMMETRY
- Neonatal breast hypertrophy
- Small breasts
- Breast asymmetry
- Tuberous breast
- Breast atrophy
- Juvenile breast hypertrophy
- Surgical management
- - Breast augmentation
- - Breast reduction
- BREAST PAIN
- NIPPLE DISCHARGE
- Clinical evaluation
- Differential diagnosis
- BREAST INFECTION
- BREAST MASSES