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A simpler path to answers for patients with mast cell activation syndrome

A random urine test panel aids in diagnosing mast cell activation syndrome (MCAS), a complex condition often misdiagnosed due to overlapping symptoms. The panel improves access, speeds up diagnosis, and enables individualized treatment by detecting key mast cell mediators.

August 11, 2025
Rabbits, Chikungunya, and More Viral News: Matthew Binnicker, Ph.D.
August 28, 2025

In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Division of Clinical Microbiology at Mayo Clinic, and Matthew Binnicker, Ph.D., a microbiologist and virologist and chief scientific officer of Mayo Clinic Laboratories, discuss recent developments in viral infections.

Elevating Clinical Lab Websites in a Changing Technology Landscape
August 25, 2025

In this episode of the “Leveraging the Laboratory” podcast, host Jane Hermansen, outreach manager at Mayo Clinic Laboratories, is joined by Travis Engelhaupt, digital experience director, and Naomi Lovell, project manager. Together, they discuss website trends and best practices.

Practical Legal Insight and Tips: Compliance Issues for Hospital Laboratory Outreach Programs
August 20, 2025

Register now – Nov. 19, 2025: Regulatory compliance and recent policy changes at the federal and state levels relevant to hospital laboratory outreach programs.

From Pediatrics to Geriatrics [Pediatric Phlebotomy]
December 6, 2017

This "Pediatric Phlebotomy" presentation from the live 2017 Phlebotomy Conference, will focus on the challenges associated with age-related collections, dealing specifically with both the pediatric and geriatric patient.

Mayo Clinic Develops First-in-U.S. Neurology Test to Distinguish Spectrum of Autoimmune Demyelinating Diseases from Multiple Sclerosis
November 28, 2017

Mayo Clinic has launched a first-in-the-U.S. clinical test that will help patients who recently have been diagnosed with an inflammatory demyelinating disease but may be unsure of the exact disorder.

Transfusion Toons: Ulex
November 24, 2017

Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched “Transfusion Toons” as an innovative approach to teaching and learning transfusion medicine. View this post to see the new toon.

Transfusion Toons: First Transfusion
November 10, 2017

Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched "Transfusion Toons" as an innovative approach to teaching and learning transfusion medicine. View this post to see the new toon.

Transfusion Toons: Rh Negative
October 27, 2017

Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched "Transfusion Toons" as an innovative approach to teaching and learning transfusion medicine. View this post to see the new toon.

Cases with Dr. Keeney: Case #3
October 26, 2017

This case presents an unusual colon polyp on an asymptomatic early 70 year-old male. At the time of screening colonoscopy, two small left colon polyps were noted and excised. What is the diagnosis?

NUDT15: An Additional Gene Important in Prediction of Thiopurine-Related Toxicity [Test in Focus]
October 25, 2017

Ann Moyer, M.D., Ph.D., discusses an additional gene, NUDT15, which is important in the prediction of thiopurine-related toxicity This gene has been added to our TPMT genotyping assay available through Mayo Medical Laboratories.

Communiqué
New Biomarker Greatly Improves Diagnostic Sensitivity for Rare Kidney Disease, Fibrillary Glomerulonephritis
October 17, 2017

A team of Mayo Clinic pathologists have discovered a new tissue biomarker, DNAJB9, for fibrillary glomerulonephritis, a rare kidney disease of unknown pathogenesis and poor outlook—nearly half of all patients end up on dialysis within four years of diagnosis.

Transfusion Toons: B Positive
October 13, 2017

Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched "Transfusion Toons" as an innovative approach to teaching and learning transfusion medicine. View this post to see the new toon.

Transfusion Toons: Mixed Field
September 29, 2017

Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched "Transfusion Toons" as an innovative approach to teaching and learning transfusion medicine. View this post to see the new toon.

Applying the Staffing-to-Workload Methodology: On-Site and Off-Site Operational Needs
September 21, 2017

Mike Baisch, Principal Systems Engineer at Mayo Clinic, discusses the inclusion of on-site and off-site operational needs of the laboratory in his staffing-to-workload analysis.

The CEOs of Mayo Clinic #ThrowbackThursday
September 21, 2017

One of the most distinctive aspects of Mayo Clinic is the close collaboration between physician leaders and administrative colleagues—each bringing unique skills to serve patients and advance medical science. This tradition dates to the earliest years of Mayo Clinic and continues today. Watch this video to see Mayo's 150-year history of physician leaders and their administrative colleagues.

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