Oidos: microtia, anotia
, perdida de la audicion, hipoacusia, alteraciones del oido medio.
, the definition of which refers to the congenital absence of one or both ears, does not have entry in DRAE either.
The remnant of the damaged pinna serves as a guide to the maxillofacial prosthodontists in positioning a prosthetic ear, but for bilateral anotia
and microtia no such guide exists.
A case of isotretinoin embryopathy with bilateral anotia
and Taussig-Bing malformation.
Inadvertent use of 13-cis-retinoic acid during the first trimester of human pregnancy has been reported to result in a spectrum of malformations termed retinoic acid embryopathy (RAE) (20) and includes microtia or anotia
, micrognathia and in some cases CP.
2,3) Such anomalies include anotia
, microtia, cleft ears, polyotia, preauricular tags or sinuses, and absent or supernumerary cartilage bars--all of which exhibit severe deficiencies or significant aberrations of the major auricular landmarks.
Case 07 Bilateral anotia
Left diaphragmatic hernia, horse-shoe kidney, double ureters.
La microtia, anotia
o fistulas y apendices preauriculares suelen aparecer en forma aislada entre 45 % y 50 % de los casos y pueden formar parte de cuadros de multiples anomalias como la asociacion Charge, el sindrome de TownesBrocks, el sindrome BOR, el sindrome de Treacher Collins, la embriopatia diabetica y el sindrome facio auriculo vertebral.
The human data now available appear in published and unpublished reports associating the drugs with an increased risk of spontaneous abortions and serious congenital malformations, including bilateral microtia or anotia
, sometimes with atresia of the external auditory canals; oral clefts; and other major structural malformations, according to the FDA.
Some of the most consistent findings are abnormalities of the external ear, which are seen in as many as 70% of patients; these abnormalities include preauricular tags or pits, microtia, anotia
, and external auditory canal stenosis.