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The clinical manifestations of orbital pseudotumor

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Updated: Tuesday, Jan 12,2010, 3:09:54 PM
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Orbital pseudotumor is a relatively more common orbital disease, accounting for primary orbital tumors in the third. It may occur at different ages, male patients more, in essence, a form of chronic non-specific inflammation. Can cause eye with its prominent, eye movement disorders, with symptoms of orbital tumors are named after. Hence, the need to sign another phase with orbital tumors. Orbital pseudotumor is a non-specific chronic proliferative inflammation, not a tumor.

Patients with more men than women, aged more than middle-aged for more. Exophthalmos is the main clinical symptoms, mostly monocular, a few can affect both sides. Ran two disease may have have. Once in the beginning part of the onset of a jealous eye, the eye movement disorder or double vision and other symptoms. If this disease more prominent or repeated attacks, then easily differentiated from orbital tumors with authenticity. A small number of cases are the fore once the eye, but also on their own after the reduction, or even the eyelids subsidence, a high degree of eye movement disorder, or eye fixation; in most cases is the longer course, sustainable development, giving high visibility to the eye, could be affected due to exposure keratitis visual function or even blindness. Advanced cases, in the orbital x-ray films, showing expansion of the orbital cavity, and even accompanied by bone resorption, but no bone destruction. If the orbital margin to the texture of a very hard palpable mass at the same time have significant pain and tenderness, and orbital tumors can be identified accordingly (but be careful, if necessary, should carry out a biopsy). Because many inflammatory adhesion formation in the orbital floor, so that such cases were mostly inward deflection below, the main outward turning eye on the top of the rotation is restricted and can be used to explore the orbital traction test whether there is adhesion. The method for the point of surface anesthesia, with toothed forceps clamped skew the eye contralateral tendon, traction force, if the skew is a superior rectus palsy or top of the block caused by swelling kept upward traction, can be eye improved to reduce skewness; the other hand, if the eye due to orbital deflection adhesion formation in the bottom, then pulling up a great eye when you feel resistance, the eye skewness can not be reduced. Take advantage of this test can be organized with the eye caused by deflection with ophthalmoplegia or orbital tumors caused by deflection distinguished. This is to some extent contribute to the diagnosis of orbital pseudotumor.

This early tumor lesions mainly in the orbital muscle cone outer space development, and eye pressure on the posterior pole only in a very small number of cases the phenomenon can be seen, which is different from the origin from a benign tumor within the muscle cone, such as vascular tumors, nerve sheath tumor, meningioma and so on. Some cases the use of antibiotics and corticosteroids, the symptoms can be markedly improved, and therefore a viable treatment trials to support the diagnosis and differential diagnosis. Easy and difficult cases confused with orbital malignancies. Be carried out as soon as possible biopsy confirmed the diagnosis.

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