July 16, 2012 In about 60% of patients with brain tumors there are also ocular symptoms present, and they are as follows: optic disc edema, sixth nerve palsy, wide rigid pupils and headaches. Knowledge of ocular symptoms is important for the localization of the tumor. Tumors of the frontal lobe cause a change in the character of a […]
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July 16, 2012 MELANOMA Melanoma is the most common malign tumor of the uvea. It arises primarily from the pigmented cells of the uvea. It looks like a brown flat or protruding nodule. Melanoma of the iris is usually easy to notice, so it is early revealed, and thus successfully treated. Each new pigmentation in the iris […]
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July 16, 2012 EPICANTUS – mole of the conjunctiva (CONJUNCTIVA MELANI) This mole is localized pigmentation, often next to the limbus or on the tear nipple. It does not require treatment. It is important because of the differential diagnosis towards the melanoma of the joint. Melanoma has a faster growth; it is pathologically vascularized and prone to penetration […]
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July 16, 2012 Retinoblastoma Retinoblastoma (glioma) is a tumor of the inside eye’s membrane or the retina. It occurs in the first years of life, in 30% of cases on both sides. It is inherited AD. It is noticeable only when it affects the vitreous, so from the extended pupillary opening for a blind eye, bursts a yellow […]
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July 16, 2012 Symptoms: The main sign of tumors is exophthalmos, and then swelling and reduced mobility of the eye. Types: Orbital cysts: • congenital> dermoid, epidermoid cysts, teratomas, encephalocele and meningecele. • Acquired cysts> mucocele, piocele, inflammatory cysts, parasitic cysts, dental cysts, cysts of a lacrimal gland Primary orbital tumors: • tumors of the development > dermoids, […]
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July 16, 2012 Tumors of the eyelid may be benign and malignant. Benign tumors are nevi (moles), papillomas, warts, molluscum contagiosum, xanthelasma, keratoacantom, hemangioma, and cysts. Malignant tumors are basal cell carcinoma (basalioma), squamous cell carcinoma, malignant melanoma, sarcoma, and cancer associated with xeroderma pigmentosum. It is also possible for the metastasis of tumors of other locations to […]
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