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Old 08-21-2011
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Question Lower back cyst aspiration!

I got this question without answer and I wonder if anyone can help...
a newborn with a cysts on his lower back ,,they put a needle to aspirate it but they got no fluid and then they are asking where is the defect??
1- the body of the lumber vertebrae
2- meninges
3- transverse process of the lumber vertebrae
4- the spinal cord


actually I am so confused about the aspiration thing and why there is no fluid ??
anyone help

Last edited by dr.muhamad; 08-21-2011 at 03:57 AM.
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Old 08-21-2011
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OK, your questions seems to be unclear to me, you are stating that a child had a cyst in the lower back and they aspirated it and got only fluid???
if that is the case then its the defect in 2. the transverse process of the vertebrae.. i.e ...meningomyocele/meningocele.
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Old 08-21-2011
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Quote:
Originally Posted by USMLE2011m View Post
OK, your questions seems to be unclear to me, you are stating that a child had a cyst in the lower back and they aspirated it and got only fluid???
if that is the case then its the defect in 2. the transverse process of the vertebrae.. i.e ...meningomyocele/meningocele.
sry but no,,they aspirated and got nothing (no fluid)
thats why i am confused
and if it is meningiocele the defect would be in the spinous process not in the transverse process,right??
it's an exam question i think
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Old 08-21-2011
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Quote:
Originally Posted by dr.muhamad View Post
sry but no,,they aspirated and got nothing (no fluid)
thats why i am confused
and if it is meningiocele the defect would be in the spinous process not in the transverse process,right??
it's an exam question i think
Could you post the question exactly as it was on the qbank please. thank you
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Old 08-21-2011
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its 1 dude ... spina bifida occulta .. no fluid on aspiration just we got tuft of hair at lower back ..spina bifida occulta vertebral body is not completely formed...
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Old 08-21-2011
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its 1 dude ... spina bifida occulta .. no fluid on aspiration just we got tuft of hair at lower back ..spina bifida occulta vertebral body is not completely formed...
Sorry Yasir, but I would have to disagree,

the patient according to the post has cysts... and its not the vertebral body but the arch that has a problem.... so i would say even I am wrong with my transverse process, we need to see this question, as presented by the boards.
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Originally Posted by USMLE2011m View Post
Sorry Yasir, but I would have to disagree,

the patient according to the post has cysts... and its not the vertebral body but the arch that has a problem.... so i would say even I am wrong with my transverse process, we need to see this question, as presented by the boards.
question isnt clear lolxx there can b alott of thing with cyst at lower back .. sacrococcygeal teratoma, spina bifida, myelocele ,meningocele.. lolxx .. i think e option is missing may b that would b better choice lolxxx but anyways thanxx dude yeah i made a mistake spina bifida occulta due to transverse process defect ...
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yup the problem is that its an exam question 3 of my friends told me they faced it in the exam
and the info they give are a cyst in the lower back of a newborn plus no fluid on aspiration and those answers

i would disagree with the body of the vertebrae and the transverse process (FA 2010 ,page 127) only the spinous bifidia and the laminae are involved
but i wonder if it could be a myelomeningocele with the spinal cord flattened so i guess it is spinal cord thing

i would like to know if anyone have a differential diagnosis about the aspiration thing
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If there is no fluid on aspiration then it can be myelocele...
So i would say spinal cord as the answer...
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Nervous-System-, Neuroanatomy-, Pathology-

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