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A ganglion cyst is a fluid-filled bump associated with a joint or tendon sheath. [3] It most often occurs at the back of the wrist, followed by the front of the wrist. [3] [4] The cause is unknown. [3] The underlying mechanism is believed to involve an outpouching of the synovial membrane. [4] Diagnosis is typically based on examination.
Individuals symptoms vary in severity and type. Severe, subacute gastrointestinal dysmotility and orthostatic hypotension are the most common symptoms in two-thirds of patients. Symptoms can be severe in some cases and gradually worsen in others. [1] Sympathetic failure manifests itself as orthostatic hypotension and anhidrosis.
Ulnar tunnel syndrome is usually caused by a ganglion cyst pressing on the ulnar nerve, other causes include traumas to the wrist and repetitive movements, but often the cause is unknown (idiopathic). [2] Long distance bicycle rides are associated with transient alterations in ulnar nerve function. [3]
The two major forms of multiple endocrine neoplasia are called type 1 and type 2. These two types are often confused because of their similar names. However, type 1 and type 2 are distinguished by the genes involved, [1] the types of hormones made, and the characteristic signs and symptoms.
Any symptoms will depend upon the tumor's location and the nearby organs affected. [citation needed] For example, a tumor in the chest area may cause breathing difficulty, chest pain, and trachea compression. If the tumor is located lower in the abdomen, it may cause abdominal pain and bloating.
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Symptoms are assessed on a case-by-case basis. [5] Some cysts in the CNS can be asymptomatic (producing or showing no symptoms), depending on their location in the brain or spinal cord. If the cysts develop in critical areas of the central nervous system, they can present one or more of the following symptoms: [6]
Signs and symptoms of vocal fold cysts may remain stable or increase over time. [1] In rare cases it is also possible for symptoms to improve if the cyst ruptures spontaneously. [1] [5] Symptoms affecting quality of voice tend to worsen after speaking for long periods of time, or when speaking with increased volume. [1]