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The early clinical features of MCTD are nonspecific and may include fatigue, low-grade fever, myalgias, Raynaud phenomenon, swelling of the fingers or hands, arthralgia, esophageal reflux or dysmotility, acrosclerosis (also known as sclerodactyly), mild myositis, and various forms of pulmonary involvement.
People with scleromyositis have symptoms of both systemic scleroderma and either polymyositis or dermatomyositis, and is therefore considered an overlap syndrome. Although it is a rare disease, it is one of the more common overlap syndromes seen in scleroderma patients, together with MCTD and Antisynthetase syndrome.
In cardiology, genetic conditions such as Brugada syndrome can share features with related disorders caused by mutations in the same gene.An overlap syndrome can be seen whereby a mutation in the SCN5A gene encoding the cardiac sodium channel causes a reduction in the peak sodium current leading to the typical ECG features of Brugada syndrome, but which simultaneously increases the sustained ...
Myocarditis-myositis-myasthenia gravis overlap syndrome (IM3OS) is a rare immune-related adverse event primarily associated with the use of immune checkpoint inhibitors (ICIs). These ICIs, which have been incorporated into the treatment of various malignancies , function by activating the immune system to detect and attack cancer cells .
The term is sometimes used interchangeably with mixed connective tissue disease (MCTD), as it is an overlap syndrome. However, some researchers believe that MCTD is a clinically distinct entity and is strongly associated with the presence of titer high in antibodies Ribonucleoproteins (RNP). [4]
Connective tissue diseases can be classified into two groups: (1) a group of relatively rare genetic disorders affecting the primary structure of connective tissue; and (2) a number of acquired conditions where the connective tissues are the site of multiple, more or less distinct immune and inflammatory reactions.
Congenital contractural arachnodactyly (CCA), also known as Beals–Hecht syndrome, is a rare autosomal dominant congenital connective tissue disorder. [1] As with Marfan syndrome , people with CCA typically have an arm span that is greater than their height and very long fingers and toes . [ 2 ]
Device for both vaginal ultrasonography and abdominal ultrasonography Transvaginal ultrasonography to check the location of an intrauterine device (IUD). The examination can be performed by transabdominal ultrasonography, generally with a full bladder which acts as an acoustic window to achieve better visualization of pelvis organs, or by transvaginal ultrasonography with a specifically ...