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Most, and perhaps all, cases of synovial sarcoma are associated with a reciprocal translocation t(x;18)(p11.2;q11.2). There is some debate about whether the molecular observation itself is definitive of synovial sarcoma. [11] [12] [13] The diagnosis of synovial sarcoma is typically made based on histology and is confirmed by the presence of t(X ...
In salivary gland carcinomas, MAGE4 expression correlates to lower-grade histology, lower likelihood of metastases and more favourable survival. [5] While MAGEA4 is expressed by many tumours, [6] it is almost universally expressed by synovial sarcomas. [7]
The most common areas of metastasis are the lungs, bone and bone marrow with less common areas of metastasis being the lymph nodes, liver and brain. [10] The presence of metastatic disease is the most important prognostic factor in Ewing Sarcoma with the 5 year survival rate being only 30% when metastasis is present at the time of diagnosis as ...
Stage and presence of metastases: tumors that have spread ("metastasized") to the lymph nodes (which is rare for bone sarcomas) or other organs or tissues (for example, to the lungs) have a worse prognosis compared to tumors that have not metastasized.
Soft-tissue sarcomas commonly originate in the upper body, in the shoulder or upper chest. Some symptoms are uneven posture, pain in the trapezius muscle, and cervical inflexibility [difficulty in turning the head]. [12] The most common site to which soft-tissue sarcoma spreads is the lungs. [13]
Metastasis occurs in about 39% of patients, most commonly to the lung. Features associated with poor prognosis include a large primary tumor (over 5 cm across), high grade disease, co-existent neurofibromatosis, and the presence of metastases. [5] It is a rare tumor type, with a relatively poor prognosis in children. [6]
Presence of metastasis occurs in more than 50% cases and the common places of its occurrence are the bone, lymph node and lungs. [9] [10] Five-year survival rates, which are reported to be between 50 and 65%, can be misleading because the disease is prone to late metastasis or recurrence. Ten and twenty-year survival rates are 33% and 10% ...
The prognosis for a stage 1 tumor excision is usually fairly optimistic, but if the tumor progresses to levels 2 and 3, prognosis worsens, due to tumor cells' likely having spread to other parts of the body, including nearby healthy tissues, or to system-wide locations that include the lungs, kidneys, and liver.
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