Dec 26, 2024 · Anotia (an-NO-she-uh) and microtia (my-KRO- she-uh) are birth defects of a baby’s ear. Anotia/microtia affects how the baby's ear looks, but usually does not affect the parts of the ear inside the head. Researchers estimate that 1 in every 3,800 babies has anotia/microtia in the United States.

Anotia ("no ear") describes a rare congenital deformity that involves the complete absence of the auricle, the outer projected portion of the ear, and narrowing or absence of the ear canal. This contrasts with microtia, in which a small part of the auricle is present.

Lateral view of an infant with congenital right anotia (missing right ear). Anotia is characterized by total absence of the ear, and it is exceptionally rare. This condition can affect one or both ears, though it is more common to only have one missing ear.

Aug 24, 2024 · When the entire outer ear is missing, it’s a type of the condition called anotia. Microtia is rare. It affects only 1 to 5 of every 10,000 babies. It usually affects only one ear -- most often,...

A congenital malformation of the external ear and the most extreme form of microtia characterized by the complete absence of the external ear and auditory canal, conductive hearing loss, attention deficit disorders and delayed language development.

Mar 1, 2024 · Ear microtia is a congenital hypoplastic malformation of the pinna, ranging in severity from slight auricular diminution to total external ear absence. Anotia is the most severe form, characterized by complete auricular and lobular formation failure. Ear microtia is often unilateral and creates a noticeable asymmetry.

Mar 11, 2021 · Microtia/anotia is a congenital malformation of the ear in which the external ear (auricle) is underdeveloped and either abnormally shaped (microtia) or absent (anotia). The external ear canal may be atretic (absent).

Sep 6, 2024 · Anotia means absence of the external ear. Microtia is the term for an incompletely formed external ear. Aural atresia is the absence of the ear canal. Early in fetal life (about the 5th week) the complex process of development causes cells to …

Mar 2, 2025 · Missing external ears, also known as microtia or anotia, is a congenital condition where a child is born with underdeveloped or completely absent outer ears. This article will delve into the causes, health implications, and emotional impact of missing external ears, as well as available treatment options and support resources.

Aug 9, 2023 · Anotia is an extremely rare congenital ear defect characterized by the complete absence of the external ear in infants. Learn about its causes, signs, and symptoms, along with diagnosis and treatment options.