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In 2017, 13 subtypes of EDS were classified using specific diagnostic criteria. [5] According to the Ehlers–Danlos Society, the syndromes can also be grouped by the symptoms determined by specific gene mutations. Group A disorders are those that affect primary collagen structure and processing.
Kyphoscoliosis is one of the main criteria in kyphoscoliotic Ehlers–Danlos syndrome. It is caused by a mutation in the PLOD1 gene or FKBP14 [ 1 ] gene. The diagnosis is confirmed by molecular testing [ 2 ] and suggested when a patient meets criteria 1 and criteria 2: congenital muscle hypotonia and congenital or early onset kyphoscoliosis ...
Craniocervical instability is more common in people with a connective tissue disease, including Ehlers-Danlos syndromes, [1] osteogenesis imperfecta, and rheumatoid arthritis. [2] It is frequently co-morbid with atlanto-axial joint instability, Chiari malformation , [ 3 ] or tethered spinal cord syndrome .
What is Ehlers-Danlos syndrome? It’s actually a group of 13 related disorders caused by different genetic defects in collagen, an essential building block, according to the National Organization ...
Until new diagnostic criteria were introduced, hypermobility syndrome was sometimes considered identical to hypermobile Ehlers–Danlos syndrome (hEDS), formerly called EDS Type 3. As no genetic test can distinguish the two conditions and because of the similarity of the diagnostic criteria and recommended treatments, many experts recommend ...
This feature can occur on its own with no underlying health problems, or it can be associated with certain medical conditions, including Marfan syndrome, [1] Ehlers–Danlos syndromes, [2] Loeys–Dietz syndrome, and homocystinuria. [3]
Ehlers-Danlos syndrome: [4] Marfanoid habitus is generally associated with kyphoscoliotic Ehlers-Danlos. Snyder–Robinson syndrome at SMS, whose incidence is about 1 in 5,000-10,000 in all ethnic groups; Perrault syndrome : Marfanoid habitus is a nonspecific feature of Perrault syndrome.
In comparison to the diagnostic criteria of hypermobile Ehlers–Danlos syndrome, the criteria for hypermobile spectrum disorder are less strict. However, these criteria are differentiated from criteria of other EDS types and therefore its less-strict criteria are only comparable to the criteria of hEDS. As those with HSD experience a ...