MEDizzy
MEDizzy
Bsal
Bsalover 4 years ago

During the autopsy of a patient noted to have xanthochromia, the pathologist removes the calvarium and the attached dura. On the sur- face of the brain there is frank blood that can- not be removed by rubbing or scraping the surface. Which of the following most likely caused this finding? (A) Ruptured aneurysm (B) Intraparenchymal hemorrhage (C) Intradural hemorrhage (D) Tearing of bridging veins (E) Temporoparietal bone fracture Answers and explanations will be given as per attempts to answer.

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over 4 years ago

B?

over 4 years ago

So its definitely not B.. Hiba Noone

over 4 years ago

An intraparenchymal hemorrhage such as those caused by chronic hypertension would not appear as blood on the surface of the brain. It would likely be deeper in the brain, commonly affecting the basal ganglia and thalamus. An intraparenchymal hemorrhage appears more like a bruise of the brain tissue and less like a frank pool of blood, as described in the vignette.

over 4 years ago

Is the answer D?

over 4 years ago

So its not D Emilie St Aubert.

over 4 years ago

A subdural hemorrhage is defined as a hemorrhage under the dura mater that is caused by damage to bridging veins. There is a potential space between the dura mater and the arachnoid mater. When the calvarium (and its adherent dura) is removed, this space is exposed, and any blood there should be readily scraped off. Blood that cannot be scraped off must be under the arachnoid, which is under the dura. Subdural hemorrhages are commonly caused by blunt trauma, especially in the elderly, alcoholics, and children, who have atrophied or underdeveloped brains that causes extra strain on the bridging veins.

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