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Raccoon eyes, also known as panda eyes or periorbital ecchymosis, is a sign of basal skull fracture or subgaleal hematoma, a craniotomy that ruptured the meninges, or (rarely) certain cancers. [ 1 ] [ 2 ] Bilateral hemorrhage occurs when damage at the time of a facial fracture tears the meninges and causes the venous sinuses to bleed into the ...
Uveal melanoma is a type of eye cancer in the uvea of the eye. [3] It is traditionally classed as originating in the iris, choroid, and ciliary body, but can also be divided into class I (low metastatic risk) and class II (high metastatic risk). [3] Symptoms include blurred vision, loss of vision or photopsia, but there may be no symptoms. [4]
Opsoclonus myoclonus syndrome. Opsoclonus myoclonus syndrome ( OMS ), also known as opsoclonus-myoclonus-ataxia (OMA), is a rare neurological disorder of unknown cause which appears to be the result of an autoimmune process involving the nervous system. It is an extremely rare condition, affecting as few as 1 in 10,000,000 people per year.
Blood or cerebrospinal fluid can leak from the nose or ear. Battle's sign, also known as mastoid ecchymosis, is an indication of fracture of middle cranial fossa of the skull. These fractures may be associated with underlying brain trauma. Battle's sign consists of bruising over the mastoid process as a result of extravasation of blood along ...
Specialty. Oncology. An eye neoplasm is a tumor of the eye. [ 1] A rare type of tumor, [ 2] eye neoplasms can affect all parts of the eye, and can either be benign or malignant ( cancerous ), in which case it is known as eye cancer. [ 3] Eye cancers can be primary (starts within the eye) or metastatic cancer (spread to the eye from another organ).
Oncology. Conjunctival squamous cell carcinoma ( conjunctival SCC) and corneal intraepithelial neoplasia comprise ocular surface squamous neoplasia (OSSN). SCC is the most common malignancy of the conjunctiva in the US, with a yearly incidence of 1–2.8 per 100,000. Risk factors for the disease are exposure to sun (specifically occupational ...
Treatment. Immunosuppression. Cancer Associated Retinopathy (CAR) also known as Carcinoma Associated Retinopathy is an immune-mediated disease affecting the retina of the eye. It is a paraneoplastic type autoimmune retinopathy associated with cancer that can cause blindness. It can be seen in association with various types of cancers.
An optic nerve melanocytoma is a tumor made up of melanocytes and melanin. Melanocytomas are typically a benign meaning they can grow, but rarely transform into a malignancy. Even so, local growth can affect adjacent tissues. Most optic nerve melanocytomas are small, black, and do not grow. Most optic nerve tumors (65 percent) are gliomas that ...