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Flow cytometry plays a crucial role in the diagnosis and evaluation of primary immunodeficiencies (PIDs). It's a rapid and sensitive tool that can identify specific cell populations and subpopulations, assess cell surface and intracellular proteins. While genetic analysis provides the definitive diagnosis, flow cytometry offers a cost-effective and timely approach to evaluate patients with suspected PIDs. Recently EuroFlow organized an advanced course on PIDs. Experts from all over the world came together in Ghent, Belgium to get in-depth information about the standardized EuroFlow approach which can be used in diagnosing these complex diseases. With lectures by some of the most well-known EuroFlow experts in the field, case studies, a network event and a fun little knowledge quiz to top it all off, the participants experienced a great educational event organized by the EuroFlow Campus.

The EHA2025 Congress has officially begun, and we are happy to be part of it!
We invite you to visit the ESLHO Booth at the Collaboration Plaza.

For many years, EuroClonality has supported laboratories around the world with expert advice for difficult clonality testing cases, based on the EuroClonality/BIOMED-2 assays (GeneScan fragment analysis). This has helped professionals tackle technical challenges and interpret complex results, all in the spirit of EuroClonality aims: collaboration and knowledge sharing.

Today, we celebrate the birthday of Professor Jacques J.M. van Dongen. He turned 70 yesterday, but is still the driving and binding force behind the ESLHO foundation and the consortia EuroFlow, EuroMRD and EuroClonality. We surprised him with some very special gifts. We asked all participating institutes (>100!) to send him a personal birthday card. This resulted in a very diverse and heartwarming collection of cards in all languages, with music, portraits and crafty little artworks. They were presented to him in one big box. A unique gift and a wonderful token of appreciation!

Last week, on April 3rd and 4th, 2025, the EuroClonality-NGS Working Group came together in Prague for a meeting. Participants shared updates on their latest research, and in-person attendees had the opportunity to have in-depth discussions and brainstorming sessions. The collaboration between the different institutes continues to be of great value, and significant progress was made towards the continuation of several research initiatives.