orbital reduction
Introduction
Introduction The symptoms of lateral sphenoid ridge meningioma appearing in the outer 1/3 of the sphenoid ridge are relatively late. The tumor occurs in the sphenoid wing, causing hyperplasia of the lateral wall and ankle of the eyelid, narrowing of the eyelid, or direct invasion of the tumor into the iliac crest. Causes the eye to protrude.
Cause
Cause
The cause of eyelid reduction:
The tumor occurs in the large wing of the sphenoid bone, causing hyperplasia of the lateral wall and ankle of the eyelid, and the eyelids shrink.
Examine
an examination
Related inspection
Ultrasound examination of the eyeball and eyelids by eyeball and eyelid examination
Eyelid reduction examination diagnosis:
Histopathological examination: The intracranial meningioma has the same tissue structure as the intraorbital meningioma. The tumor cells are round or oval, and the cell boundaries are unclear.
Auxiliary inspection: 1. X-ray inspection.
2. Ultrasonic exploration.
3. CT scan.
4. MRI.
5. Cerebral angiography.
Diagnosis
Differential diagnosis
Eyelids shrink the symptoms that are confusing:
The distance between the eyes is wide: the distance between the inner walls of the eyes is excessively widened. The diagnosis is mainly based on the IOR (Interorbital distance) measurement.
Periorbital edema: refers to the occurrence of edema around the eyelids, generally seen in patients with edema. Check whether the periorbital or facial congestion is congested, whether there is fever or not. The fever may indicate acute paranasal sinusitis, cavernous sinus embolism, periorbital cellulitis, meningitis or erysipelas.
Small eyeball: visible in congenital microphthalmia (CMIC), is a congenital abnormal ophthalmological disease, mainly characterized by the anterior and posterior diameter of the eyeball is smaller than the normal range, the cleft palate is narrow, the eyelid is small, and the eyeball is deeply trapped in the eyelid. Patients often have poor eyesight and are difficult to treat.
Cleft palate: Congenital cleft palate syndrome is characterized by less cleft palate. It is autosomal dominant. It may be that the embryo is 3 months before and after, due to the increase in the number of inhibitory development of maxillary processes, and the imbalance between the developmental factors of the outer nasal processes. Therefore, there is also an increase in the distance between the two eyes, and the outer point of the lower tear point. More common among Japanese.
Widening eye distance: one of the clinical manifestations of abnormal hemoglobinopathy. The disease is caused by genetic defects (autosomal dominant inheritance), mutation of the globin gene, abnormal structure of the peptide chain or synthetic disorder, resulting in one or more structural abnormalities of hemoglobin, partially or completely replacing the normal hemoglobin.
Histopathological examination: The intracranial meningioma has the same tissue structure as the intraorbital meningioma. The tumor cells are round or oval, and the cell boundaries are unclear.
Auxiliary inspection:
1. X-ray inspection.
2. Ultrasonic exploration.
3. CT scan.
4. MRI.
5. Cerebral angiography.
