One summer morning, James Kypuros awoke to find his toes stiffened like claws. Then he started having falls, which culminated in losing his ability to walk or even sit up without help. Diagnosed with stiff-person syndrome, James wouldn’t find hope or relief until he was treated for glycine receptor antibody syndrome following specialized testing by Mayo Clinic.

By Chris Bahnsen • December 11, 2023

Lisa Rimsza, M.D., explains how Mayo Clinic Laboratories' unique PM3CX test can accurately determine subtypes of large B-cell lymphoma. Precise diagnosis is critical to choosing appropriate chemotherapy.

By Barbara J. Toman • November 14, 2023

In this month's "Hot Topic," Jess Peterson, M.D., discusses changes to Mayo Clinic Laboratories’ hematology FISH menu to increase awareness, provide reasoning, and highlight some of the great things that are coming.

By MCL Education • December 6, 2021

Andrew Feldman, M.D., discusses the different tools and techniques Mayo Clinic Laboratories uses to accurately diagnose and classify T-cell lymphomas to help provide clinicians with the diagnostic answers they need to treat their patients.

By Samantha Rossi • September 21, 2021

Horatiu Olteanu, M.D., Ph.D., gives an overview of the new T-cell receptor (TCR) β-chain constant region (TRBC1) flow cytometry marker, which is now included in Mayo Clinic Laboratories' routine diagnostic T-cell flow cytometry panel. He discusses when this testing should be ordered, how the addition of TCRBC1 compares to previous testing approaches, and how this marker can assist ordering physicians.

By Alyssa Frank • August 11, 2020

In this month’s “Hot Topic,” Curtis Hanson, M.D., will discuss the use of laboratory-based prognostic markers in patients with chronic lymphocytic leukemia (CLL). He will also highlight the importance of molecular analyses for IGHV and TP53 sequencing in these patients.

By MCL Education • August 12, 2019

Curtis Hanson, M.D., discusses the importance of detecting immunoglobulin heavy-chain variable region gene (IGHV) when acquiring prognostic and potentially therapeutic information in chronic lymphocytic leukemia (CLL) patients in CAP TODAY.

By Hannah Crawford • June 6, 2019

The current diagnostic tools in a pathologist’s arsenal sometimes cannot provide a clear distinction between primary mediastinal large B-cell lymphoma (one of the few lymphomas more common in younger women) and diffuse large B-cell lymphoma, the most common type of non-Hodgkin’s lymphoma overall.

By Suzanne Ferguson • April 30, 2019

This week’s Research Roundup highlights high grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements with diffuse large B-cell lymphoma morphology.

By Kelley Luedke • March 5, 2018

This algorithm can be viewed here.

By Alyssa Frank • August 11, 2017