Cullen Ruff, MD
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Latest articles
Conditions and diseases

There is currently a pandemic-related shortage of iodinated contrast used for CT scans, predicted to last for several months. While the industry is addressing its own lessons on the supply side of production and distribution, those of us in clinical…
There is currently a pandemic-related shortage of iodinated contrast used for CT scans, predicted to last for several months. While the industry is addressing its own lessons on the supply side of production and distribution, those of us in clinical medicine may use this shortage as an educational opportunity to address contrast demand.
There are multiple ways to perform a CT scan of the same body part, depending on the patient’s …
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The CT contrast shortage is a learning opportunity
Physician voices

An excerpt from Looking Within: Understanding Ourselves through Human Imaging. It started as a routine weekend shift, reading studies on patients in the hospital and the emergency department, when the phone rang. Jessie, the nuclear medicine technologist, spoke on the…
An excerpt from Looking Within: Understanding Ourselves through Human Imaging.
It started as a routine weekend shift, reading studies on patients in the hospital and the emergency department, when the phone rang. Jessie, the nuclear medicine technologist, spoke on the telephone, his matter-of-fact tone slightly colored by the ominous nature of the information conveyed. “Doc, I’ll need you to come over shortly. The ICU ordered a brain …
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A critical moment that resulted in a permanent, devastating consequence
Conditions and diseases

It was a common enough reason for someone to have a CT scan. The order read, “Abdominal pain, colon cancer resected in January.” It was now March, only two months post-surgery. Yet the patient’s CT scan showed a number of…
It was a common enough reason for someone to have a CT scan. The order read, “Abdominal pain, colon cancer resected in January.” It was now March, only two months post-surgery. Yet the patient’s CT scan showed a number of large masses in the liver, consistent with metastatic cancer.
I compared the current study to the CT performed before surgery. The liver had looked perfectly normal at that time.
“That’s an amazingly …
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The costly decision of delaying surgery
Conditions and diseases

Let’s begin with a quiz question: Patients may be allergic to: A. oxygen B. carbon C. iodine D. none of the above If you answered anything but "D," better keep reading. Consider this scenario: If a patient is allergic to…
Let’s begin with a quiz question:
Patients may be allergic to:
A. oxygen
B. carbon
C. iodine
D. none of the above
If you answered anything but “D,” better keep reading.
Consider this scenario: If a patient is allergic to penicillin, you would document “penicillin” in the medical records. It would never occur to you to list “antibiotics” as an allergy, and you certainly would not call it a “carbon” allergy for slang, just because penicillin contains …
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Think you have an iodine allergy? You may want to reconsider.
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