What does amastia mean?
[ ā-măs′tē-ə, ə-măs′- ] n. Congenital absence of one or both breasts.
How common is amastia?
Amastia and Hypomastia Complete absence of the breast, or amastia, is rare and is thought to occur from lack of formation or obliteration of the milk line. Amastia can be associated with syndromes of more diffuse ectodermal anomalies such as congenital ectodermal dysplasia.
Is amastia genetic?
Amastia can be caused by several genetic conditions that affect a child’s DNA and development, including: Hypohidrotic ectodermal dysplasia – a genetic condition that can also impact the development or function of the hair, nails, sweat glands and teeth.
What causes amazia?
Amazia is a congenital condition or caused iatrogenically. Inadvertent biopsy of breast bud during childhood or trauma to the chest wall or chest wall radiation or surgery during childhood can cause acquired breast amazia [2].
What causes Polymastia?
Cause. Polymastia typically occurs in the womb during the development. During normal development, breast tissue will develop along the milk line, and additional tissue will disintegrate and be absorbed into the body. Polymastia occurs when the additional tissue does not disintegrate before birth.
What is the most common congenital breast anomaly?
Hypoplasia, the presence of very small rudimentary breasts, is the most common form. Amastia and hypoplasia may be associated with scalp defects, ear abnormalities, renal hypoplasia, and cataracts in patients with the rare autosomal dominant Finlay-Marks syndrome.
Is Poland syndrome genetic?
Inheritance. Most cases of Poland syndrome are sporadic, which means they are not inherited and occur in people with no history of the disorder in their families. Rarely, this condition is passed through generations in families.
What causes breast absence?
Bacteria enter the breast through small cracks or breaks in the skin of the nipple. This usually occurs as a side effect of breastfeeding. However, abscesses can also be caused by any of the following: Untreated mastitis: Untreated mastitis during breastfeeding is the most common cause of a breast abscess.
What is Poland syndrome of breast?
Poland syndrome is a disorder in which affected individuals are born with missing or underdeveloped muscles on one side of the body, resulting in abnormalities that can affect the chest, shoulder, arm, and hand. The extent and severity of the abnormalities vary among affected individuals.
What is amazia disease?
Amazia is a rare congenital condition defined by the absence of breast tissue (glandular parenchyma in either one or both of the breasts) and a normal nipple and areola complex.
What is breast aplasia?
Breast aplasia: A rare condition wherein the normal growth of the breast or nipple never takes place. They are congenitally absent. There is no sign whatsoever of the breast tissue, areola or nipple.