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About Kenneth Youens

I am a graduate of the University of Texas Southwestern Medical School in Dallas, TX and am currently a pathologist at Duke University in Durham, North Carolina. My main professional interests are surgical pathology and cytopathology. I am also interested in medical informatics, particularly in exploring how the internet can be used to improve clinical care, research, and medical education. In my free time, I am the administrator of pathtalk.org. If you've got an idea for a project and are interested in collaborating, please feel free to contact me.
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Posts by Kenneth Youens

Posted by
Kenneth Youens

Date
April 17, 2009
7:00 am

Tagged
, ,

Category
Microbiology

Bacterial communication systems: An eventual drug target?

Bonnie Bassler from Princeton’s Department of Molecular Biology spoke at a recent TED conference on mechanisms of bacterial communication. She explained her group’s discovery that bacteria commnuicate with one another using special “quorum-sensing” molecules which allow them to act in unison, much as the cells in a multicellular organism do. Their discoveries allow for some [...]

Posted by
Kenneth Youens

Date
April 15, 2009
6:00 am

Tagged
, , ,

Category
General, Informatics

Virtual slide viewer powered by the Google Maps API

A team at the NYU School of Medicine’s Division of Educational Informatics has created a brilliant implementation of a virtual slide viewer using the Google Maps API. They are using their viewer to view digital slides acquired using Bacus and Aperio slide scanners.  In my opinion, this is superior in some ways to the viewers [...]

Posted by
Kenneth Youens

Date
April 8, 2009
11:52 pm

Tagged
, , , , ,

Category
Cases, Microbiology

Painful ulcers on the hard palate

Clinical history A 35-year-old man presented with multiple painful ulcerations on his hard palate.

Posted by
Kenneth Youens

Date
March 7, 2009
3:00 pm

Tagged
, , ,

Category
Cases, Hematopathology

B-cell clonality: Recurrent lymphoma?

Clinical History and Pathological Findings An elderly woman presented with mild anemia and was found to have a positive fecal occult blood test and a positive serum anti-H. pylori IgG antibody test. Endoscopy was performed, and several superficial gastric and duodenal ulcers were biopsied. B-cell IgH PCR revealed a clonal B-cell population, and the diagnosis [...]

Posted by
Kenneth Youens

Date
February 25, 2009
3:32 pm

Tagged
, , ,

Category
General

Biopsy Anxiety

One of my colleagues just pointed out this interesting post from the New York Times Well Blog. It’s a commentary on a recent paper published in the journal Radiology which followed cortisol levels of women waiting for breast biopsy results. Predictably, they found that waiting and uncertainty was correlated with higher cortisol levels. From the [...]

Posted by
Kenneth Youens

Date
April 6, 2008
11:03 pm

Tagged
, , ,

Category
Autopsy, Cases, Microbiology

Hepatitis in a Lung Transplant Recipient

Clinical Presentation A 33 year-old woman with cystic fibrosis who underwent bilateral orthotopic lung transplantation twelve weeks ago presented to the emergency department complaining of increasingly severe right upper quadrant pain of one week’s duration. Physical examination was remarkable for moderate jaundice and marked right upper quadrant tenderness to palpation. Liver function testing revealed markedly [...]

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