Coloboma of macula-brachydactyly type B syndrome | |
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Other names | Sorsby syndrome |
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Autosomal dominant pattern | |
Specialty | Medical genetics, Ophthalmology |
Symptoms | Mainly coloboma with type B brachydactyly |
Usual onset | Birth |
Duration | Lifelong |
Prevention | None |
Frequency | rare |
Deaths | - |
Coloboma of macula-brachydactyly type B syndrome, also known as Sorbsy syndrome [1] is a rare genetic disorder which is characterized by bilateral macular coloboma, nystagmus of the horizontal pendular type, visual impairment, and brachydactyly type B. [2] Additional findings include congenital anonychia, broad/duplication of the thumbs and big toes, syndactyly and camptodactyly. It is inherited in an autosomal dominant manner. [3] It has been described in 9 members of a 4-generation British family. [4]