PubMed · 13138519
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C STEFANINI. 1954. [Three parathyroid interventions].. https://pubmed.ncbi.nlm.nih.gov/13138519/
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Ankylosis of the temporomandibular joint (TMJ) can be a result of trauma, degenerative changes and infection or of a space-occupying lesion and, when occurring during early childhood, can result in severe functional disability and facial distortion. Septic arthritis of the TMJ is extremely rare in young infants. We report two children with TMJ ankylosis that is believed to have been a consequence of undiagnosed septic arthritis of the TMJ in the neonatal period.
OBJECTIVE: To characterize the otologic phenotype in a family with autosomal dominant stapes ankylosis, hyperopia, and skeletal abnormalities caused by a mutation in the noggin gene (NOG). STUDY DESIGN: Case series. SETTING: Academic tertiary care center. PATIENTS: Eight affected and 3 unaffected family members. MAIN OUTCOME MEASURES: History, physical and radiologic examination, and surgical outcomes. RESULTS: Although affected members were initially presumed to have typical nonsyndromic otosclerosis, the clinical data were most consistent with an autosomal dominant congenital stapes ankylosis syndrome. Eight of eight affected family members had bilateral low-frequency conductive hearing loss. Six of eight underwent fenestration procedures and/or stapedectomies. All members with initial postoperative closure of the air-bone gap returned to their baseline conductive loss within 2 years. Two affected family members had documented maximal conductive hearing loss by age 4, and two members without previous otologic surgery have not experienced sensorineural hearing loss. High-resolution temporal bone computed tomography showed stapes ankylosis and indistinction of the incudomalleal junction bilaterally and bony regrowth over the stapedotomy for those with stapedectomies. Detailed physical and radiologic examination identified multiple other skeletal abnormalities. CONCLUSIONS: Although this phenotype may present as classic otosclerosis to the otolaryngologist, detailed investigation revealed a congenital stapes ankylosis syndrome. Because is essential in regulating normal bone development and maturation, mutations in this gene may be associated with excessive bony overgrowth and refixation of the stapes footplate after initial successful surgery. Patients with hereditary conductive hearing loss should be assessed to rule out subtle features of a skeletal syndrome.