Cavernous angioma overview: Difference between revisions
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Cavernous angioma, is a vascular disorder of the [[central nervous system]] that may appear either sporadically or exhibit [[autosomal dominant]] inheritance. | Cavernous angioma, is a vascular disorder of the [[central nervous system]] that may appear either sporadically or exhibit [[autosomal dominant]] inheritance. | ||
==Diagnosis== | |||
===MRI=== | |||
Diagnosis is most commonly made accidentally by routine [[magnetic resonance imaging]] (MRI) screening, but not all MRI exams are created equal. It is paramount that the patient request a gradient-echo sequence in order to unmask small or punctate lesions which may otherwise remain undetected. These lesions are also more conspicuous on FLAIR imaging compared to standard T2 weighing. FLAIR imaging is different from Gradient sequences, rather, it is similar to T2 weighing but suppresses free-flowing fluid signal. Sometimes quiescent CCMs can be revealed as incidental findings during MRI exams ordered for other reaso | |||
==References== | ==References== | ||
Revision as of 17:30, 3 December 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Cavernous angioma, is a vascular disorder of the central nervous system that may appear either sporadically or exhibit autosomal dominant inheritance.
Diagnosis
MRI
Diagnosis is most commonly made accidentally by routine magnetic resonance imaging (MRI) screening, but not all MRI exams are created equal. It is paramount that the patient request a gradient-echo sequence in order to unmask small or punctate lesions which may otherwise remain undetected. These lesions are also more conspicuous on FLAIR imaging compared to standard T2 weighing. FLAIR imaging is different from Gradient sequences, rather, it is similar to T2 weighing but suppresses free-flowing fluid signal. Sometimes quiescent CCMs can be revealed as incidental findings during MRI exams ordered for other reaso