What structures does PICA supply?
What structures does PICA supply?
The PICA supplies the medulla, the choroid plexus and tela choroidea of the fourth ventricle, the tonsils, the inferior vermis, and the inferior aspects of the cerebellar hemispheres 1, 7.
What is posterior inferior cerebellar artery syndrome?
According to the National Institute of Neurological Disorders and Stroke, Wallenberg Syndrome (aka Lateral Medullary Syndrome or Posterior Inferior Cerebellar Artery Syndrome) is a neurological condition caused by a blockage of the vertebral artery (VA) or posterior inferior cerebellar artery (PICA), ultimately leading …
Where is the posterior inferior cerebellar artery?
The posterior inferior cerebellar artery (PICA) is its principal named branch, and it typically originates from the intracranial portion of the VA approximately 1 cm above the foramen magnum and 1 cm proximal to the vertebrobasilar junction.
Is pica a neurological?
Pica etiology is related to gastrointestinal distress, micronutrient deficiency, neurological conditions, and obsessive compulsive disorder. Currently there are no clinical guidelines for situations regarding pica and cases in clinical institutions often go unreported.
What does the PICA supply blood to?
the cerebellum
Posterior inferior cerebellar artery (PICA) is one of the three vessels that provide arterial supply to the cerebellum. It is the most variable and tortuous cerebellar artery.
What does the inferior cerebellar artery supply?
The anterior inferior cerebellar artery supplies the middle cerebellar peduncle, lower lateral pons, anteroinferior surface of the cerebellum, flocculus and the choroid plexus of the lateral ventricle.
What are the complications of pica?
Complications of pica include: inherent toxicity; intestinal obstruction (such as that occurring with trichophagia, or hair eating); excessive caloric intake (such as that occurring with starch); nutritional deprivation; parasitic infections; and dental injury.
Which signs and symptoms would a patient with pica demonstrate?
Pica Symptoms and Characteristics
- Nausea.
- Pain in the stomach (or abdominal cramping which can indicate that there may be an intestinal blockage)
- Constipation.
- Diarrhea.
- Stomach ulcers (which may cause blood in the stools)
- Symptoms of lead poisoning (if paint chips that contain lead are ingested)
What is the posterior inferior cerebellar artery (PICA)?
The posterior inferior cerebellar artery ( PICA ), the largest branch of the vertebral artery, is one of the three main arterial blood supplies for the cerebellum, part of the brain.
What is pica in the brain?
PICA is labeled at bottom right. The posterior inferior cerebellar artery ( PICA) is the largest branch of the vertebral artery. It is one of the three main arteries that supply blood to the cerebellum, a part of the brain. Blockage of the posterior inferior cerebellar artery can result in a type of stroke called lateral medullary syndrome .
What is the function of pica artery?
Posterior inferior cerebellar artery (PICA) is one of the three vessels that provide arterial supply to the cerebellum. It is the most variable and tortuous cerebellar artery. Its origin is highly variable: The segmental anatomy was defined microsurgically by Lister et al. 6,7:
What does pica mean on a MRI scan?
PICA is labeled at bottom right. The posterior inferior cerebellar artery ( PICA) is the largest branch of the vertebral artery. It is one of the three main arteries that supply blood to the cerebellum, a part of the brain.
