Matthew Katz, MD
Matthew Katz is a radiation oncologist.
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Latest articles
Physician voices

When I was in medical school, I loved pathology. The visual learning and deep understanding of disease were attractive enough that after second year, I took an extra year before clinical rotations to work as a post-sophomore fellow, working as…
When I was in medical school, I loved pathology. The visual learning and deep understanding of disease were attractive enough that after second year, I took an extra year before clinical rotations to work as a post-sophomore fellow, working as a resident cutting specimens and performing autopsies. I missed patient contact but it served as a great foundation for clinical medicine …
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A community-based program that brings patients and pathologists together
Conditions and diseases

I recently went to an infectious disease educational session sponsored by the Massachusetts Medical Society and the New England Journal of Medicine called "Epidemics Gone Viral." The focus was preparedness for the next epidemic, which may come from anywhere. John…
I recently went to an infectious disease educational session sponsored by the Massachusetts Medical Society and the New England Journal of Medicine called “Epidemics Gone Viral.” The focus was preparedness for the next epidemic, which may come from anywhere. John Brownstein talked about how its arrival will be monitored and reported using Twitter and artificial intelligence.
With the meeting going viral with excitement as Bill Gates got on …
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6 steps to stop your smartphone from going viral. Literally.
Conditions and diseases

The cancer moonshot initiative raised skepticism because of the limited funding to end cancer. Unfortunately the recently announced panel membership confirms that while the project may launch, skewed representation may tilt the mission off course. It is no surprise that…
The cancer moonshot initiative raised skepticism because of the limited funding to end cancer. Unfortunately the recently announced panel membership confirms that while the project may launch, skewed representation may tilt the mission off course.
It is no surprise that the panel heavily tilts toward immunology, medical oncology, surgery and big science. But three core specialties you would find at any tumor board are missing: pathology, radiology, and radiation …
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Why the cancer moonshot is already off course
Physician voices
Everyone deserves a chance to be healthy. Physicians, of course, focus on helping patients. Unfortunately, I often see patients’ frustrations with the health care system itself directed toward doctors. Meanwhile, doctors are under increasing pressures on multiple fronts. Yes, we’re…
Everyone deserves a chance to be healthy. Physicians, of course, focus on helping patients. Unfortunately, I often see patients’ frustrations with the health care system itself directed toward doctors.
Meanwhile, doctors are under increasing pressures on multiple fronts. Yes, we’re imperfect, but making physicians the primary focus of patient anger will not solve problems we all face as humans who will, at some point, need health care. (Note: I’m using doctors …
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E-patients need e-doctors. Here’s why.
Conditions and diseases
Increasingly, cancer care is becoming more evidence-based and personalized. But there are still a lot of areas where we need to question the conventional wisdom. How much of what we learned during training is based upon evidence versus anecdote and…
Increasingly, cancer care is becoming more evidence-based and personalized. But there are still a lot of areas where we need to question the conventional wisdom. How much of what we learned during training is based upon evidence versus anecdote and assumption?
When I finished medical school, internship was challenging but very rewarding. It helped me recognize much better when people are really …
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Oncolore: Challenging conventional wisdom
Conditions and diseases
From a philosophical standpoint, one of the things I hate most about cancer is the use of “war” analogies. The “battle” may mobilize patients and families, but it may also interfere with education and informed decision making. And both patients…
From a philosophical standpoint, one of the things I hate most about cancer is the use of “war” analogies. The “battle” may mobilize patients and families, but it may also interfere with education and informed decision making. And both patients and clinicians often take recurrence or disease progression personally as a failure. Even when everything is done perfectly, the outcomes aren’t. Why …
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7 steps to eliminating the war analogy in cancer care
Conditions and diseases
Each time I reach the point of recommending radiation treatment for someone with a brain tumor or head and neck cancer, I ask for a higher level of trust from each patient than usual: let us make a mask to…
Each time I reach the point of recommending radiation treatment for someone with a brain tumor or head and neck cancer, I ask for a higher level of trust from each patient than usual: let us make a mask to keep you safe.
Radiation therapy is already a leap of faith — who wants invisible rays shooting through them? Fear of unknown …
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Radiation therapy is a leap of faith
Physician voices
Ordering CT, MRI, or PET scans for my patients when they feel well always makes me nervous. As a radiation oncologist, I’ve chosen to frequently make observations that potentially find active, progressive cancer. And this creates an existential crisis that…
Ordering CT, MRI, or PET scans for my patients when they feel well always makes me nervous. As a radiation oncologist, I’ve chosen to frequently make observations that potentially find active, progressive cancer. And this creates an existential crisis that scares me — but not as much as it scares my patients.
With each test, I set in to motion a real-life application …
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Reduce stress for both patients and doctors: Limit tests
Health technology

The buzz is that Google Glass will transform medicine. But unless it’s carefully vetted it could be a disaster for patients, clinicians and hospitals. Until the FDA or research confirms its safety, Google Glass is banned from my clinic as…
The buzz is that Google Glass will transform medicine. But unless it’s carefully vetted it could be a disaster for patients, clinicians and hospitals. Until the FDA or research confirms its safety, Google Glass is banned from my clinic as a privacy and medical practice hazard.
Here are four reasons why:
1. Privacy violations. Google Glass make it extremely easy to take pictures or …
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Google Glass for medicine: 4 reasons why it could be disastrous
Drugs and prescribing
Radiation oncologists offer curative cancer treatment to many. Despite irradiating the spleen for over 50 years, why don’t we routinely offer pneumococcal vaccination to avoid complications after treatment? Since we just had World Pneumonia Day to raise awareness for children,…
Radiation oncologists offer curative cancer treatment to many. Despite irradiating the spleen for over 50 years, why don’t we routinely offer pneumococcal vaccination to avoid complications after treatment? Since we just had World Pneumonia Day to raise awareness for children, I want to do the same for cancer patients.
A healthy spleen helps fight off pneumonia, sepsis and meningitis. Publications on infection from spleen radiation date back at least thirty years, but were …
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Immunization before radiation to avoid complication
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