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The signs and symptoms of branchio-oto-renal syndrome are consistent with underdeveloped (hypoplastic) or absent kidneys with resultant chronic kidney disease or kidney failure. Ear anomalies include extra openings in front of the ears, extra pieces of skin in front of the ears (preauricular tags ), or further malformation or absence of the ...
Enlarged vestibular aqueducts can also occur in branchio-oto-renal syndrome, CHARGE syndrome and renal tubular acidosis. Enlarged vestibular aqueducts can be bilateral or unilateral. Hearing loss caused by large vestibular aqueduct syndrome is not inevitable, although people with the syndrome are at a much higher risk of developing hearing loss ...
The clinical features of TBS overlap with VATER and VACTERL associations, oculo-auriculo-vertebral (OAV) spectrum, branchio-oto-renal (BOR) syndrome, and Fanconi anemia and other 'anus-hand-ear' syndromes. [4] Although some symptoms can be life-threatening, many people diagnosed with Townes-Brocks Syndrome live a normal lifespan. [2]
Some mutations in genes associated with renal dysplasia (in syndromes) have been determined. The mutations in question occur at EYA1 or SIX1 genes (branchio-oto-renal syndrome). The PAX2 gene is also thought to play a role in MCDK. [4] The contralateral kidney often undergoes hypertrophy.
However, if skin pits are found on both sides of the neck, then, branchio-oto-renal syndrome should be ruled out. Infection of the cysts in this region can compress trachea , causing respiratory problems, or it can compress the oesophagus , causing dysphagia , and irritating the sternocleidomastoid muscle, causing torticollis .
Renal agenesis is a medical condition in which one (unilateral) or both (bilateral) fetal kidneys fail to develop. Unilateral and bilateral renal agenesis in humans, mice and zebra fish has been linked to mutations in the gene GREB1L. [1] It has also been associated with mutations in the genes RET or UPK3A [2] in humans [3] and mice respectively.
Muckle–Wells syndrome, a rare inherited autoinflammatory disorder, can lead to hearing loss. Autoimmune disease: although probably rare, it is possible for autoimmune processes to target the cochlea specifically, without symptoms affecting other organs. Granulomatosis with polyangiitis, an autoimmune condition, may precipitate hearing loss.
Otofaciocervical syndrome, also known as Fara Chlupackova syndrome, [1] are a small group of rare developmental disorders of genetic origin which are characterized by facial dysmorphisms, long neck, preauricular and/or branchial pits, cervical muscle hypoplasia, hearing loss, and mild intellectual disabilities. Additional findings include ...