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Leptomeningeal metastases Information
Leptomeningeal metastasis is a common complication of cancer. Often the diagnosis can be difficult, but early diagnosis and aggressive treatment can prevent irreversible neurologic deficits. Diagnosis is usually established by the demonstration of malignant cells in the cerebrospinal fluid (CSF) or by the presence of enhancing tumor nodules on cranial or spinal MRI.
Intracranial
Spinal
Symptoms
Pathophysiology
LM are diagnosed in approximately 5 percent of patients with metastatic cancer, but undiagnosed or asymptomatic involvement is more common. [1]
Treatment
Intra-CSF chemotherapy requires normal CSF flow dynamics and is typically limited to the use of methotrexate, cytarabine or thiotepa. Intrathecal chemotherapy is rarely efficacious, except for hematopoietic neoplasms and, to a lesser extent, breast cancer. Increasingly, systemic chemotherapy is recognized as efficacious in the treatment of leptomeningeal metastasis in part because it has the ability to penetrate into bulky disease seen on neuroimaging.
The optimum choice of therapy depends upon a thorough assessment of the neurologic extent of disease, which should include complete neuraxis imaging. [2]
Despite vigorous therapy, many patients do poorly and the median survival is only about four months. Nevertheless, some patients, particularly those with leukemia, lymphoma, and breast cancer, respond and a substantial minority will be alive one to two years after diagnosis.
Nanotherapies
References
| This is not a Wikipedia article: It is an individual user's work-in-progress page, and may be incomplete and/or unreliable. For guidance on developing this draft, see
Wikipedia:So you made a userspace draft. Find sources:
Google (
books ·
news ·
scholar ·
free images ·
WP refs) ·
FENS ·
JSTOR ·
TWL |
| This is a user sandbox of
Thomas.andr. You can use it for testing or practicing edits. This is not the sandbox where you should draft your assigned article for a dashboard.wikiedu.org course. To find the right sandbox for your assignment, visit your Dashboard course page and follow the Sandbox Draft link for your assigned article in the My Articles section. |
Leptomeningeal metastases Information
Leptomeningeal metastasis is a common complication of cancer. Often the diagnosis can be difficult, but early diagnosis and aggressive treatment can prevent irreversible neurologic deficits. Diagnosis is usually established by the demonstration of malignant cells in the cerebrospinal fluid (CSF) or by the presence of enhancing tumor nodules on cranial or spinal MRI.
Intracranial
Spinal
Symptoms
Pathophysiology
LM are diagnosed in approximately 5 percent of patients with metastatic cancer, but undiagnosed or asymptomatic involvement is more common. [1]
Treatment
Intra-CSF chemotherapy requires normal CSF flow dynamics and is typically limited to the use of methotrexate, cytarabine or thiotepa. Intrathecal chemotherapy is rarely efficacious, except for hematopoietic neoplasms and, to a lesser extent, breast cancer. Increasingly, systemic chemotherapy is recognized as efficacious in the treatment of leptomeningeal metastasis in part because it has the ability to penetrate into bulky disease seen on neuroimaging.
The optimum choice of therapy depends upon a thorough assessment of the neurologic extent of disease, which should include complete neuraxis imaging. [2]
Despite vigorous therapy, many patients do poorly and the median survival is only about four months. Nevertheless, some patients, particularly those with leukemia, lymphoma, and breast cancer, respond and a substantial minority will be alive one to two years after diagnosis.