Otopalatodigital syndrome type 1
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| Otopalatodigital syndrome type 1 : Otopalatodigital syndrome type 1 is a disorder primarily involving abnormalities in skeletal development. It is a member of a group of related conditions called otopalatodigital spectrum disorders, which also includes otopalatodigital syndrome type 2, frontometaphyseal dysplasia, Melnick-Needles syndrome, and terminal osseous dysplasia. In general, these disorders involve hearing loss caused by malformations in the tiny bones in the ears (ossicles), problems in the development of the roof of the mouth (palate), and skeletal abnormalities involving the fingers or toes (digits). Otopalatodigital syndrome type 1 is usually the mildest of the otopalatodigital spectrum disorders. People with this condition usually have characteristic facial features including wide-set and downward-slanting eyes; prominent brow ridges; and a broad, flat nose. Affected individuals have abnormalities of the fingers and toes, such as blunt, square-shaped (spatulate) fingertips; shortened thumbs and big toes; unusually long second toes; and a wide gap between the first and second toes (known as a sandal gap). Affected individuals also have hearing loss. Infants with otopalatodigital syndrome type 1 may be born with an opening in the roof of the mouth (a cleft palate). Individuals with this condition often have fewer teeth than normal (hypodontia). They may have mild abnormal curvature (bowing) of their limbs, and limited range of motion in some joints. People with otopalatodigital syndrome type 1 may be somewhat shorter than other members of their family. Females with otopalatodigital syndrome type 1 often have more variable signs and symptoms compared to affected males, with females typically having fewer signs and symptoms. | |
| Review Date: 01/07/2020 | Updated By: |