Cysticercosis physical examination: Difference between revisions

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==Overview==
Presenting symptoms differ according to the site of the cysticerci[[Parenchymal]] neurocysticercosis causes all the symptoms and signs of [[Space occupying lesion|space occupying lesions]]. Extraparenchymal neurocysticercosis causes manifestations of [[increased intracranial pressure]] if cysts are present in the [[subarachnoid space]] or in the [[ventricles]], manifestations of [[spinal cord compression]] if present in the spinal cord or causes eye disease if cysts are present in the [[orbit]].
==Physical examination==
===Neurocysticercosis===
 
====[[Parenchymal]]:====
Physical signs on [[Neurological examination|neurological examion]] are highly variable and depend on the number, site, and size of the lesions:
 
*Motor impairment: Most common finding and can be in the form of [[hemiparesis]] or focal motor deficit.
*Sensory deficit
*[[Decreased level of consciousness]]
*Speech and language deficits
*[[Cerebellar|Cerecellar]] and [[Extrapyramidal system|extrapyramida]]<nowiki/>l deficits
 
====Extraparenchymal:====
<u>1. Ocular cysticercosis:</u>
* Symptoms depend on the exact site of infestation in the eye.
* Retinal and subretinal infestation have the worst prognosis and are the most difficult to treat.
 
<u>2. Extraparenchymal in the [[Ventricles|brain ventricles and subarachno]][[Subarachnoid space|id space]]:</u>
 
Signs of [[increased intracranial pressure]]:
 
*[[Papilledema]]
*High opening pressure on [[lumbar puncture]]
*In advanced cases: reflex [[bradycardia]] and [[decreased level of consciousness]]
 
<u>3. Spinal cord cysticercosis:</u>
 
It is very rare (1.5-3% of all the cases).<ref name="pmid15926787">{{cite journal |vauthors=Alsina GA, Johnson JP, McBride DQ, Rhoten PR, Mehringer CM, Stokes JK |title=Spinal neurocysticercosis |journal=Neurosurg Focus |volume=12 |issue=6 |pages=e8 |year=2002 |pmid=15926787 |doi= |url=}}</ref>The presentaion depends on the site of the lesion.
 
* [[Paralysis]] of limbs below the level of compression
* [[hypoaesthesia|Decreased sensation]] below the level of compression
* [[Lhermitte's sign]] (intermittent shooting electrical sensation)
* [[Hyperreflexia]] may be present.
* [[Babinski sign]] positive
 
===Extraneural===
 
====Muscular cysticercosis====
*Muscular pseudohypertrophy, which presents with muscle swelling
*[[Atrophy|Muscular atrophy]] and [[fibrosis]] at later stage
 
====Cutaneous cysticercosis====
* [[Cysts|Subcutaneous cysts]] are in the form of firm, mobile [[nodule]]s, occurring mainly on the trunk and extremities.
 
==Gallery==
 
<gallery>
 
Image: Taenia solium01.jpeg| Presence of a cysticercus, the larval form of the Taenia solium pork tapeworm in the pupil of this patient’s left eye. Although rare, cysticerci may float in the eye and cause blurry or disturbed vision. Infection in the eyes may cause swelling or detachment of the retina. <SMALL><SMALL>''[http://phil.cdc.gov/phil/home.asp From Public Health Image Library (PHIL).] ''<ref name=PHIL> {{Cite web | title = Public Health Image Library (PHIL) | url = http://phil.cdc.gov/phil/home.asp}}</ref></SMALL></SMALL>
</gallery>


==References==
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Latest revision as of 21:11, 29 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Ahmed Younes M.B.B.CH [2]

Overview

Presenting symptoms differ according to the site of the cysticerci. Parenchymal neurocysticercosis causes all the symptoms and signs of space occupying lesions. Extraparenchymal neurocysticercosis causes manifestations of increased intracranial pressure if cysts are present in the subarachnoid space or in the ventricles, manifestations of spinal cord compression if present in the spinal cord or causes eye disease if cysts are present in the orbit.

Physical examination

Neurocysticercosis

Parenchymal:

Physical signs on neurological examion are highly variable and depend on the number, site, and size of the lesions:

Extraparenchymal:

1. Ocular cysticercosis:

  • Symptoms depend on the exact site of infestation in the eye.
  • Retinal and subretinal infestation have the worst prognosis and are the most difficult to treat.

2. Extraparenchymal in the brain ventricles and subarachnoid space:

Signs of increased intracranial pressure:

3. Spinal cord cysticercosis:

It is very rare (1.5-3% of all the cases).[1]The presentaion depends on the site of the lesion.

Extraneural

Muscular cysticercosis

Cutaneous cysticercosis

Gallery

References

  1. Alsina GA, Johnson JP, McBride DQ, Rhoten PR, Mehringer CM, Stokes JK (2002). "Spinal neurocysticercosis". Neurosurg Focus. 12 (6): e8. PMID 15926787.
  2. "Public Health Image Library (PHIL)".


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