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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 ...
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 the path of the posterior auricular artery. [ 1]
Frequency. ≈12% of severe head injuries [ 1] A basilar skull fracture is a break of a bone in the base of the skull. [ 1] Symptoms may include bruising behind the ears, bruising around the eyes, or blood behind the ear drum. [ 1] A cerebrospinal fluid (CSF) leak occurs in about 20% of cases and may result in fluid leaking from the nose or ear ...
Black eye. A periorbital hematoma, commonly called a black eye or a shiner (associated with boxing or stick sports such as hockey ), is bruising around the eye commonly due to an injury to the face rather than to the eye. The name refers to the dark-colored bruising which is the result of accumulated blood and fluid in the loose areolar tissue ...
A gunshot wound (GSW) is a penetrating injury caused by a projectile (e.g. a bullet) from a gun (typically firearm or air gun). [11] [12] Damage may include bleeding, bone fractures, organ damage, wound infection, loss of the ability to move part of the body, and in severe cases, death. [2]
Grey Turner's sign refers to bruising of the flanks, the part of the body between the last rib and the top of the hip. The bruising appears as a blue discoloration, [ 1] and is a sign of retroperitoneal hemorrhage, or bleeding behind the peritoneum, which is a lining of the abdominal cavity. Grey Turner's sign takes 24–48 hours to develop ...
Description. The nictitating membrane (completely closed) of a black crowned crane, right eye. The nictitating membrane is a transparent or translucent third eyelid present in some animals that can be drawn across the eye for protection and to moisten it while maintaining vision. The term comes from the Latin word nictare, meaning "to blink".
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.