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Hearing loss in Treacher Collins syndrome is caused by deformed structures in the outer and middle ear. The hearing loss is generally bilateral with a conductive loss of about 50–70 dB. Even in cases with normal auricles and open external auditory canals, the ossicular chain is often malformed. [41]
Most patients show a moderate hearing impairment or greater, and the type of loss is generally a conductive hearing loss. Patients with Treacher Collins syndrome exhibit hearing losses similar to those of patients with malformed or missing ossicles (Pron et al., 1993).
Congenital hearing loss is a hearing loss ... Usher syndrome (autosomal recessive), Treacher Collins syndrome (autosomal dominant ... Treatment plans can be changed ...
Hemifacial microsomia (HFM) is a congenital disorder that affects the development of the lower half of the face, most commonly the ears, the mouth and the mandible. It usually occurs on one side of the face, but both sides are sometimes affected. If severe, it may result in difficulties in breathing due to obstruction of the trachea ...
Edward Treacher Collins (28 May 1862 – 13 December 1932) was a British surgeon and ophthalmologist. [1] He is best known for describing the Treacher Collins syndrome . Family grave of Edward Treacher Collins in Highgate Cemetery
Without treatment, Crouzon syndrome can cause hearing and vision loss, exposure keratitis or conjunctivitis, drying of the cornea, hydrocephalus, sleep apnea, and breathing problems. [medical citation needed] To move the orbits forward, surgeons expose the skull and orbits and reshape the bone. To treat the midface deficiency, surgeons can move ...
"20% to 40% of children with microtia/anotia will have additional defects that could suggest a syndrome." [1] Treacher-Collins syndrome: (TCS) A congenital disorder caused by a defective protein known as treacle, and is characterized by craniofacial deformities; malformed or absent ears are also seen in this syndrome. The effects may be mild ...
Syndromic hearing loss can be either conductive or sensorineural. It occurs with abnormalities in other parts of the body. Examples include Pierre Robin syndrome, Treacher Collins syndrome, Retinitis Pigmentosa, Pendred syndrome, and Turner syndrome, among others.