In this month’s “Hot Topic,” Anja Roden, M.D., discusses new entities and changes of terminology in the 2021 World Health Organization (WHO) classification of lung tumors as well as the nomenclature in small biopsies.

Mayo Clinic Laboratories Education is pleased to announce the release of its third Phlebotomy Module on “Phlebotomy Techniques.” This will be the third of a series of six modules to be released by the MCL Education team over time. The building of these modules is a joint effort with the Department of Laboratory Medicine and Pathology at Mayo Clinic.

PACE/State of CA/State of FL - In this month’s “Virtual Lecture,” Michael Camilleri, M.D., discusses the leaky gut, helping to understand components of the intestinal barrier, how to measure its permeability, review literature about effects that stress and diet have on permeability, and takes a futuristic look at barrier disfunction in the context of inflammatory bowel disease.

In this month’s “Hot Topic,” Elitza Theel, Ph.D., discusses the modified two-tiered testing algorithm for Lyme disease entirely based on enzyme immunoassays (EIA).

In this month’s “Hot Topic,” Brad Karon, M.D., Ph.D., reviews the results of a study that Mayo Clinic recently published comparing four different rapid antigen tests for novel coronavirus.

PACE - In this month’s “Virtual Lecture,” Sean Pittock, M.D., discusses the rapidly evolving field of autoimmune neurology helping physicians quickly and accurately diagnose this treatable patient population.

PACE/State of CA/State of FL - In this month’s “Virtual Lecture,” Deb Hagen Moe discusses how the workforce is at a unique place in time, with five generations working together to achieve high-quality patient care.

PACE/State of CA/State of FL - This "Phlebotomy Webinar" presentation will review the methods available to detect latent infection with Mycobacterium tuberculosis, or latent tuberculosis infection (LTBI), including the classic tuberculin skin test and the more recently developed interferon gamma release assays (IGRA).

In this month’s “Hot Topic,” Julia Lehman, M.D., discusses a recent change to the direct immunofluorescence assay, specifically the addition of the IgG4 conjugate.

In this month’s “Hot Topic,” Sean Pittock, M.D., explains Neuromyelitis Optica Spectrum Disorder (NMOSD) and the critical importance of a sensitive and specific AQP4-IgG laboratory test for early diagnosis and treatment.

This is a 6-part series describing the products and clinical tools of a laboratory quality improvement project called Region 4 Stork, or R4S.

PACE - In this month’s “Virtual Lecture”, Lisa M. Rimsza, M.D. covers the history and spectrum of diseases known as “amyloidosis” presented in the context of a clinical case report published in Mayo Clinic Proceedings. The clinical presentation, detection methods, classification, prognosis, and non-amyloid immunoglobulin deposition diseases are described including recent comprehensive mass spectrometry data from Mayo Clinic Laboratories.