All them youngins’ got swollen heads

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We referred a young, generally healthy patient for a CT scan a while ago. I can’t remember what we were investigating, but I do remember that she didn’t have any hard signs of cerebral oedema (brain swelling).

Lo and behold, the radiologist’s report proclaimed, “signs of cerebral oedema.” Uh-oh.

We (students) don’t challenge a radiology report. Most of us have deplorable radiological knowledge. Our consultant certainly didn’t agree though, scanned through the file and concluded that our healthy young patient had a perfectly normal brain as far as the eye could see.

He then explained why he thought the mistake slipped in:

At our hospital, the majority of patients sent for CT Brain Scans are being investigated for strokes, TB Meningitis or Cryptococcal Meningitis. These patients are thus mostly elderly and/or HIV-positive. Incidentally, these two groups commonly display cerebral atrophy. As a result, day in and day out, our radiologists are confronted by diseased, or at the very least atrophied, brains.

This has become their reference point, such that when they see a nice full brain, it appears swollen.

Interesting, no? You still won’t catch me eagerly challenging such a report though – consultants have radiological experience, I do not.

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7 thoughts on “All them youngins’ got swollen heads

  1. Wow …kinda scary ! Radiologists shouldn’t be making such mistakes

    BTW , just discovered ur blog in the middle of my exams ….and am addicted ! Digging up ur old archives :-)

    2nd yr med student from India

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