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- Suboccipital_puncture abstract "A suboccipital puncture or cisternal puncture is a diagnostic procedure that can be performed in order to collect a sample of cerebrospinal fluid (CSF) for biochemical, microbiological, and cytological analysis, or rarely to relieve increased intracranial pressure. It is done by inserting a needle through the skin below the external occipital protuberance into the cisterna magna and is an alternative to lumbar puncture. Indications for its use are limited. Subarachnoid hemorrhage and direct puncture of brain tissue are the most common major complications. Fluoroscopic guidance decreases the risk for complications. The use of this procedure in humans was first described by Ayer in 1920.This is an exceedingly rare procedure. When CSF cannot be obtained from the lumbar space (and when its analysis is considered critical to treatment), a cisternal tap may be required. The needle is placed in the midline, passing just under the occipital bone, into the (usually large) cisterna magna (Fig. 23-2). This is technically fairly easy; however, if the needle is advanced too far it can enter the medulla, sometimes causing sudden respiratory arrest and death. The test should therefore be carried out only by experienced physicians (usually neurosurgeons or neurologists). An alternative route that may be used by neurosurgeons and neuroradiologists is lateral to C-1 with penetration through the large C-1 intervertebral hiatus.The cisternal tap may be used in myelography when the upper margin of a spinal block needs to be defined, however, magnetic resonance imaging (MRI), has become the procedure of choice for defining the upper and lower limits of spinal cord or spinal cord compressing lesions. It is necessary at times in the intrathecal administration of irritating medications, such as amphotericin B. Medications are diluted more rapidly in the larger and more rapidly circulating volume of cisterna magna than in the smaller lumbar sac".
- Suboccipital_puncture wikiPageID "8065995".
- Suboccipital_puncture wikiPageRevisionID "544598198".
- Suboccipital_puncture hasPhotoCollection Suboccipital_puncture.
- Suboccipital_puncture name "Suboccipital puncture".
- Suboccipital_puncture subject Category:Neurological_disorders.
- Suboccipital_puncture type Abstraction100002137.
- Suboccipital_puncture type Attribute100024264.
- Suboccipital_puncture type Condition113920835.
- Suboccipital_puncture type Disorder114052403.
- Suboccipital_puncture type NervousDisorder114084880.
- Suboccipital_puncture type NeurologicalDisorders.
- Suboccipital_puncture type PhysicalCondition114034177.
- Suboccipital_puncture type State100024720.
- Suboccipital_puncture comment "A suboccipital puncture or cisternal puncture is a diagnostic procedure that can be performed in order to collect a sample of cerebrospinal fluid (CSF) for biochemical, microbiological, and cytological analysis, or rarely to relieve increased intracranial pressure. It is done by inserting a needle through the skin below the external occipital protuberance into the cisterna magna and is an alternative to lumbar puncture. Indications for its use are limited.".
- Suboccipital_puncture label "Puntura suboccipitale".
- Suboccipital_puncture label "Suboccipital puncture".
- Suboccipital_puncture sameAs Puntura_suboccipitale.
- Suboccipital_puncture sameAs m.026q6k5.
- Suboccipital_puncture sameAs Q3925864.
- Suboccipital_puncture sameAs Q3925864.
- Suboccipital_puncture sameAs Suboccipital_puncture.
- Suboccipital_puncture wasDerivedFrom Suboccipital_puncture?oldid=544598198.
- Suboccipital_puncture isPrimaryTopicOf Suboccipital_puncture.