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Author7 Posts
  #1

A 47-year-old woman is brought to the emergency department by
her husband. She has a severe headache, nausea, and is somnolent.
The examination reveals that the woman is hypertensive and has
papilledema. MRI shows evidence of cerebral edema, bilateral infarcted
areas in the thalamus, and a large sinus thrombosis that is
blocking the egress of blood through the vascular system. This
thrombus is most likely located in which of the following venous
structures?
 (A) Inferior sagittal sinus
 (B) Left sigmoid sinus
 (C) Right transverse sinus
 (D) Straight sinus
 (E) Superior sagittal sinus


___________________
245/264/CS pass All on first attempt/2006 Grad/1 month Observership/1 US LOR/Need VISA

  #2

D ?

  #3

A

  #4

a?

  #5

So what is the answer? A sounds right.

  #6

d is the answer
if wrong explain


  #7

Well it is D. Straight sinus to which internal cerebral vein drains...if blocked lead to thalamic infarction.
Inf sagittal sinus block alone is probably usually silent and may produce callosal infarcts (in fact they are often not "infarcts"...they are congested areas...if interved in right tim...alll the so called infarcts disappear....just like you have DVT in a limb)









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