Childhood astrocytoma is a disease in which benign (noncancer) or malignant (cancer) cells form in the tissues of the brain. Astrocytomas are tumors that start in star-shaped brain cells called astrocytes.An astrocyte is a type of glial cell.hildhood astrocytoma is a disease in which benign (noncancer) or malignant (cancer) cells form in the tissues of the brain. Astrocytomas are tumors that start in star-shaped brain cells called astrocytes.
Medication. A few medications may sometimes cause peripheral neuropathy as a side effect in some people. These include: 1  some types of chemotherapy for cancer (especially for bowel cancer, lymphoma or myeloma). 2  some antibiotics, if taken for months (metronidazole, nitrofurantoin).
Some other causes of peripheral neuropathy may include: 1  Autoimmune disorders: Diseases in which the immune system attacks the bodyâs own tissues can lead to nerve damage. 2  This can include disorders such as systemic lupus erythematosus, SjoegrenâsjÃ¶gren, s rheumatoid, arthritis.  etc Disorders of the bone marrow: Peripheral neuropathy may also be caused by lymphoma, disorders that include abnormal protein in the blood, some forms of bone cancer, and amyloidosis (a disorder where amyloid, an abnormal protein that is usually produced in your bone marrow builds up in any tissue or organ).