Meningioma
Introduction
Introduction to meningioma Meningioma originates from arachnoid endothelial cells or fibroblasts of the dura mater and is a benign spinal cord tumor. The main incidence of women with 40 to 70, the incidence of meningioma is much lower than meningioma. It is composed of staggered cells arranged in a staggered arrangement, rich in reticular fibers and collagen fibers, sometimes with glassy changes, mostly derived from dural fibroblasts. basic knowledge Sickness ratio: 0.05% Susceptible people: 40-70 years old women Mode of infection: non-infectious Complications: dehydration edema cerebrospinal fluid leakage
Cause
Cause of meningioma
Cause (40%):
Meningioma usually occurs in the arachnoid cap cells around the nerve roots near the dura mater, which may explain why the meningioma is mostly lateral. Meningioma can also originate from fibroblasts of the soft or dura mater, suggesting that it may originate from mesoderm tissue.
Prevention
Meningioma prevention
A reasonable diet can take more high-fiber and fresh vegetables and fruits, balanced nutrition, including essential nutrients such as protein, sugar, fat, vitamins, trace elements and dietary fiber, with a combination of vegetarian and vegetarian foods. The complementary role of nutrients in food is also helpful in preventing this disease.
Complication
Meningioma complications Complications dehydration edema cerebrospinal fluid leakage
If the meningioma is treated surgically, the following complications may occur:
1. Epidural hematoma: paravertebral muscles, vertebrae and dural venous plexus are not completely hemostasis, hematoma can form after operation, resulting in limb paralysis, which occurs within 72 hours after surgery, even in the case of drainage tube Hematoma can also occur. If this phenomenon occurs, it should be actively explored to remove the hematoma and completely stop bleeding.
2. Spinal cord edema: often caused by surgical operation of the injured spinal cord, clinical manifestations similar to hematoma, treatment with dehydration, hormones, severe cases can be operated again, open dura.
3. Cerebrospinal fluid leakage: mostly due to the dural and muscle layer suture is not tightly involved, if there is drainage, the drainage tube should be removed in advance, the leakage is less, the drug change observation, the leakage can not stop or the leakage is more, should be in the operating room Stitch the mouth.
4. Incision infection: the general condition of cracking is poor, the wound healing ability is poor or cerebrospinal fluid leakage is easy to occur, intraoperative should pay attention to aseptic operation, postoperative antibiotic treatment, should actively improve the general condition, pay special attention to protein and various Vitamin supplements.
Symptom
Symptoms of meningioma Common symptoms Radiation pain, sensory disturbance, fatigue, spinal pain
The growth of meningioma is slow, and the early symptoms are not obvious. Therefore, the general history is long. The common first symptom is the corresponding limb numbness in the site where the tumor is located, followed by fatigue.
1. The early symptoms are not obvious, the first symptoms, the numbness of the corresponding limbs in the site where the tumor is located is more common.
2. More often occur in middle-aged women, children are less common.
3. X-ray examination, some can be seen with sand-like calcification.
4. Symptoms may be aggravated after lumbar puncture, and the protein in cerebrospinal fluid is moderately increased.
Examine
Examination of meningioma
When the CT scan is normal, the tumor is normal, the density is often slightly higher than the normal spinal cord, and the tumor is mostly round or round, and calcification can be marked in the tumor. In the vertebral canal CT, the subarachnoid space of the tumor was widened, the spinal cord was compressed to the contralateral side, and the contralateral subarachnoid space was narrowed or disappeared. MRI showed that meningioma is superior to CT. It can be seen that there is a soft tissue mass in the posterior thoracic cord or in front of the cervical cord. The spinal cord is displaced to the contralateral side, and the spinal cord can be compressed or deformed. The tumor is round or round in the transverse tangential position. The sagittal or coronal position of the tumor is often larger than the transverse diameter, and is rectangular, oblong or elongated.
Diagnosis
Diagnostic diagnosis of meningioma
Differential diagnosis
It is difficult to distinguish meningioma from schwannomas and neurofibromas. The tumor is located in the dorsal aspect of the thoracic segment. The sagittal tumor has a large diameter. The calcification in the tumor should be considered more. The tumor should be considered in the occipital macropore. Considering the possibility of meningioma, if the tumor causes the enlargement of the intervertebral foramen and grows along the intervertebral foramen to the extraspinal canal, neurofibromatosis or schwannomas should be considered.
