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Increase Intracranial

Pressure sign on Skull flm

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Intracranial Pressure

• Normal ICP:

• adults: 10-15 mmHg/135-200mmH20

• cildren: 3-! mmHg

• Neonates and in"ants: 1#5-$ mmHg

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Signs and symptoms

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 %e radiological signs o" raised intracranial&ressure

1#Suture diastasis

2#Sellar erosion

3#Pineal dis&lacement

'# Increased con(olutional marking#

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- Neonates and young infants- %in skull (ault

- )arge eads

- Suture diastasis

- Increased con(olutional markings

- Adolescents and Adult

- *rosion o" dorsum sellae

- Pineal dis&lacement

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Suture diastasis

• +idening suture , 2mm coronal andsagittal sutures

• te .ounger te cild te moremarked is te sign#

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Suture diastasis

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Suture diastasis

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Suture diastasis

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Increased con(olutional

markings• also knon as Co&&er eaten skull

• re"ers to te &rominence o" con(olutional

markings g.ral im&ressions on te innertale o" te skull seen trougout teskull (ault#

• Poor sensiti(it. can also e seen innormal &atients

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Co&&er eaten skull

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• Cardinal sign o" raised ICPin adults

•

ma. also result "rom local massesand destructi(e lesions4 teseinclude &ituitar. tumourscranio&ar.ngiomas

Erosion of dorsum sellae

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*rosion o" dorsum sellae

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*rosion o" dorsum sellae

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• )ateral &ro6ection:incons&icuoustinning o" te

&osterior &art o" te7oor o" te sella#

•

8 9ne mont later:generalieddemineraliation o"te sella is no

e(ident

*rosion o" dorsum sellae

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Pineal displacement

• In adults pineal displacement isanoter im&ortant sign ut it is o"little use in cildood as te &ineal is

rarel. calcifed in in"ants and smallcildren#

•  %e normal &ineal lies itin 3 mm o"temidline in standard P

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Pineal displacement

;is&lacement o" te calcifed &ineal . a rigt emis&ere

tumour#%e dis&lacement measures 5 mm on te original fl m