NBME Step 2 CK Form 6 Obstruction of cerebrospinal fluid flow (NBME Answers)

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Retired NBME Step 2 CK Form 6 Answers

step2ck_form6/Block 3/Question#40 (reveal difficulty score)
A 6-month-old girl is brought to the ...
Obstruction of cerebrospinal fluid flow 🔍 / 📺 / 🌳 / 📖
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submitted by ∗medicalmike(82)

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Myelomeningocele is associated with Chiari II malformation -> obstructive hydrocephalus

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submitted by satanicdo(7)

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the most common complication of myelomeningocele repair is hydrocephalus

https://pubmed.ncbi.nlm.nih.gov/14704812/

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satanicdo ... but "Although there are several theories, it has been demonstrated that 80-90% of children born with MMC are affected with CM II, aqueductal stenosis or fourth ventricular outflow obstruction causing non-communicating hydrocephalus, and in some cases under-development of arachnoid granulations may result in communicating hydrocephalus." https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3475879/ +5

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