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This treatment can be tailored to the particular tumor of the spine, either metastatic or primary. [19] Some suggest that direct decompressive surgery combined with postoperative radiotherapy, provide better outcomes than treatment with radiotherapy alone for patients with spinal cord compression due to metastatic cancer. [20] [21]
Definitive diagnosis is made by tumor biopsy. [12] Surgery is the most common method of treating peripheral nerve sheath tumors. [11] In malignant tumors, complete resection is the only known curative treatment (with a sufficiently wide margin or even amputation to improve prognosis). [12]
Patient response to treatment will vary based on age, health, and the tolerance to medications and therapies. 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 ...
Metastasis occurrence indicates stage 4 cancer progression and carries a poor prognosis. [7] Cancer usually causes numerous and varying symptoms at this stage depending on the underlying cancer and metastasis location. [7] Importantly for diagnosis, a symptomatic primary lesion is localised through either surgery or radiation. [7]
Average survival times decline with the presence of metastasis. Primary CNS tumors generally metastasize only within the CNS. One case of metastatic disease to the abdomen via ventriculoperitoneal shunt has been reported with AT/RT . Metastatic dissemination via this mechanism has been reported with other brain tumors, including germinomas ...
Bone metastasis, or osseous metastatic disease, is a category of cancer metastases that result from primary tumor invasions into bones. Bone-originating primary tumors such as osteosarcoma , chondrosarcoma , and Ewing sarcoma are rare; the most common bone tumor is a metastasis. [ 1 ]
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[5] [8] Signs and symptoms vary according to tumor site, and prognosis is closely tied to the location of the primary tumor. Common sites of metastasis include the lungs, bone marrow, and bones. [9] [10] There are many classification systems for RMS and a variety of defined histological types. Embryonal rhabdomyosarcoma is the most common type ...
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