Search results for “subarachnoid hemorrhage”

28 results found
Case

Perimesencephalic subarachnoid hemorrhage

  Diagnosis certain
Saqba Farooq
Published 16 Aug 2010
83% complete
CT
Case

Snake bite induced subarachnoid hemorrhage

  Diagnosis certain
Andrew Murphy
Published 01 Aug 2016
86% complete
CT
Case

Ruptured dermoid and subarachnoid hemorrhage

  Diagnosis certain
Andrew Lawson
Published 29 Nov 2013
75% complete
CT DSA (angiography)
Case

Aneurysmal subarachnoid hemorrhage and Moya Moya disease

  Diagnosis almost certain
Rajalakshmi Ramesh
Published 15 Feb 2015
80% complete
CT DSA (angiography)
Article

Terson syndrome

Terson syndrome refers to intraocular hemorrhage in patients with intracranial hemorrhage. Terminology The traditional definition of Terson syndrome was vitreous hemorrhage associated with subarachnoid hemorrhage. However, there is also a broader definition which captures intraocular hemorrhag...
Article

Vertebral artery dissection

Vertebral artery dissection, like arterial dissection elsewhere, is a result of blood entering the media through a tear in the intima of the vertebral artery. It is potentially lethal and can be difficult to diagnose clinically and radiologically. Epidemiology Vertebral artery dissections have...
Article

Caroticocavernous fistula

Caroticocavernous fistulas represent abnormal communication between the carotid circulation and the cavernous sinus. They can be classified as direct or indirect which are separate conditions with different etiologies.   Epidemiology Direct caroticocavernous fistulas are often secondary to tra...
Article

Subarachnoid cisterns

The subarachnoid cisterns, or basal cisterns, are compartments within the subarachnoid space where the pia mater and arachnoid membrane are not in close approximation and cerebrospinal fluid (CSF) forms pools or cisterns (Latin: "box"). As they are interconnected, their patency is essential for ...
Article

Fibromuscular dysplasia

Fibromuscular dysplasia (FMD) is a heterogeneous group of vascular lesions characterized by idiopathic, non-inflammatory, and non-atherosclerotic angiopathy of small and medium-sized arteries. Epidemiology The prevalence is unknown 7. It is most common in young women with a female to male rati...
Article

Dolichoectasia

The term dolichoectasia means dilated and elongated. It is used to characterize arteries that have shown a significant deterioration of their tunica intima (and occasionally the tunica media), weakening the vessel walls and causing the artery to elongate and distend. Epidemiology Dolichoectasi...
Article

COL4A1-related disorders

COL4A1-related disorders are a group of autosomal dominant disorders caused by a mutation in the COL4A1 gene. Epidemiology The exact prevalence is unknown, but the group of disorders is considered to be under-recognized, especially asymptomatic variants 1. Clinical presentation The clinical ...
Article

Vitreous hemorrhage

Vitreous hemorrhage refers to bleeding into the vitreous humor. Epidemiology Vitreous hemorrhage has an incidence of approximately 7 in 100,000 1,2.   Clinical presentation The most common clinical presentation is with sudden, painless visual loss to varying degrees of severity 2. Associated...
Article

Temporal bone fracture

Temporal bone fracture is usually a sequela of significant blunt head injury. In addition to potential damage to hearing and the facial nerve, associated intracranial injuries, such as extra-axial hemorrhage, diffuse axonal injury and cerebral contusions are common. Early identification of tempo...
Article

Depressed skull fracture

Depressed skull fractures result in the bone of the skull vault being folded (depressed) inward into the cerebral parenchyma. It is usually the result of a high energy impact to the skull. Pathology These mostly (~75%) occur in the frontoparietal region 3. Associations There are a number of ...
Article

Carotid artery stenosis

Carotid artery stenosis, also known as extracranial carotid artery stenosis, is usually caused by an atherosclerotic process and is one of the major causes of stroke and transient ischemic attack (TIA).  This article refers to stenosis involving the carotid bulb and the proximal segment of inte...
Article

Coccidioidomycosis

Coccidioidomycosis refers to an infection caused by the dimorphic fungus Coccidioides spp., usually localized to the lungs. This disease is not to be confused with the similarly named paracoccidioidomycosis. Epidemiology The most common species of Coccidioides are Coccidioides immitis and Cocc...
Article

Internal carotid artery dissection

Internal carotid artery (ICA) dissection, like arterial dissection elsewhere, is a result of blood entering the media through a tear in the intima 1 and is a common cause of stroke in younger patients. Epidemiology Dissection may occur at any age but is a common cause of stroke in young patien...
Article

Wyburn-Mason syndrome

Wyburn-Mason syndrome (also known as Bonnet-Dechaume-Blanc syndrome) is a rare, nonhereditary neurocutaneous disorder that typically presents with unilateral vascular malformations that primarily involve the brain, orbits and facial structures. It is currently classified as a cerebrofacial arter...
Case

Brain death

  Diagnosis certain
Ryan Thibodeau
Published 16 Apr 2023
95% complete
CT Nuclear medicine
Case

Terson syndrome

  Diagnosis certain
Luciano Villarinho
Published 21 Nov 2017
86% complete
MRI

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