Causes of Neuroblastoma

Written by Chen Yu Fei
Neurosurgery
Updated on September 16, 2024
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Neuroblastoma is a highly malignant tumor. In most cases, it is seen in neuroepithelial cells. Currently, there is no consensus on the specific causes of neuroblastoma. It is generally believed that congenital genetic factors, as well as mutations, gene deletions, and changes in tumor suppressor genes in patients, are greatly related. Acquired factors should not be ignored either, such as poor lifestyle and dietary habits. In most cases, the prognosis for neuroblastoma is poor, with patients having a short survival period. Most patients, even after undergoing surgical treatment, often experience poor outcomes and ultimately die from multi-organ dysfunction and failure.

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Written by Chen Yu Fei
Neurosurgery
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How to check for neuroblastoma?

For the examination of neuroblastoma, we generally recommend a neurological examination to help determine whether there are any clear positive signs, as well as to inquire about medical history and family history to judge if there are any cases of neuroblastoma among family members. Additionally, detailed laboratory tests, routine blood tests, routine urine tests, and biochemical tests, including tumor-related diagnostics, can help in making assessments. Of course, the most accurate and crucial examinations are CT or MRI scans of the head. If necessary, an enhanced MRI scan of the head can be conducted to further evaluate the location, nature, severity of the tumor, and its relationship with the surrounding neural and vascular tissues, which helps provide a basis for further surgical treatment.

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How to diagnose neuroblastoma?

For neuroblastoma, the final diagnosis requires the patient to undergo surgical treatment. During the surgery, the neuroblastoma is completely excised, and a small amount of tumor tissue is retained for pathological sectioning. The diagnosis is determined based on the results of the pathological examination, which assesses the specific cells of the neuroblastoma, whether it is benign or malignant, and its level of malignancy. This also determines how the patient will receive subsequent treatments like radiotherapy and chemotherapy. In addition to relying on pathological examinations, most neuroblastoma patients can also undergo more thorough examinations. In most cases, elevated levels of catecholamines and their metabolites can be found in the blood or urine of neuroblastoma patients, significantly higher than that of the normal population.

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Neuroblastoma examination items

For neuroblastoma, the examination items mainly include the patient's vital signs and physical examination, including detailed examinations to observe if there are any obvious pathological signs. Additionally, it is necessary to inquire about the patient’s medical history, especially past medical history and family history. Main examination items include laboratory tests, routine blood and urine tests, biochemistry, and tumor-related tests. Furthermore, examinations also involve using a cranial CT scan, MRI of the head, and if necessary, an enhanced MRI scan of the head, to further determine the presence of neuroblastoma, as well as its location, quantity, and the relationship between the surrounding tissues, blood vessels, and nerves.

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Neurosurgery
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Symptoms of neuroblastoma recurrence

For neuroblastoma, when the tumor recurs, the patient's original symptoms such as headaches, dizziness, nausea, and vomiting will reappear, occurring intermittently and worsening persistently. Most patients will experience significant increased intracranial pressure, and even frequent nausea and vomiting. Additionally, some neuroblastoma patients experience severe vertigo, especially when changing body positions, where the vertigo is particularly pronounced. For such patients, when the above symptoms and signs occur, they should go to a local hospital as soon as possible for a reassessment using cranial MRI to monitor changes in their condition.

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Written by Chen Yu Fei
Neurosurgery
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Neuroblastoma treatment

Neuroblastoma is relatively considered a malignant tumor, and its growth rate is quite rapid. It often adheres to surrounding tissues in the early stages, which makes it very difficult to completely remove surgically. However, even so, it is still advisable to opt for surgical treatment once neuroblastoma is detected. The tumor should be completely removed surgically, and a small amount of tumor tissue should be retained for pathological examination after removal. Based on the results of the pathological examination, it will be determined whether additional treatments such as radiotherapy or chemotherapy are needed. Furthermore, since some neuroblastomas are sensitive to radiotherapy, it is recommended to promptly take the patient to a local hospital for treatment after surgery.