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PubMed This is a summary of 98 peer-reviewed journal articles Updated
Hematology

The Patient's Guide to Castleman Disease

At a Glance

Castleman disease (CD) is a rare disorder that requires careful diagnosis to identify your specific subtype, such as UCD, MCD, TAFRO, or HHV-8. Knowing your exact subtype is the most important step in finding the right medical team and receiving the correct standard of care treatment.

Welcome to your resource guide for Castleman disease (CD). This guide is designed to empower you with the facts, help you understand your specific diagnosis, and prepare you for conversations with your medical team.

Castleman disease is rare, but you are not alone. Through organizations like the Castleman Disease Collaborative Network (CDCN), research and treatment have advanced rapidly in recent years. This guide will walk you through the most important things you need to know.

Sections in this Guide

01

Orienting Yourself After a Diagnosis

Newly diagnosed with Castleman disease? Learn the difference between unicentric and multicentric subtypes, the role of IL-6, and your next steps for treatment.

02

Symptoms, Pathology & Diagnosis

Learn how Castleman disease is diagnosed. Understand excisional biopsies, pathology report variants like hyaline vascular, and diagnostic criteria for iMCD.

03

Identifying Your Specific Subtype

Learn how to identify your Castleman disease subtype. Understand the differences between UCD, MCD, HHV-8, POEMS, and iMCD, including the TAFRO variant.

04

Standard of Care Treatment Options

Learn about the standard of care treatments for Castleman disease. Understand surgical options for UCD and targeted therapies like siltuximab for iMCD.

05

Building Your Care Team & First Visit Prep

Learn how to build a Castleman disease care team, find a specialist, and prepare for your first visit. Get a checklist of what to bring to your appointment.

06

Survivorship & Long-Term Monitoring

Learn how to manage life after a Castleman disease diagnosis. Understand flare symptoms, long-term anti-IL-6 therapy, monitoring CRP, and vaccine safety.

Common questions in this guide

Why is it important to know my specific Castleman disease subtype?
Castleman disease is categorized into several distinct subtypes, including Unicentric (UCD), Multicentric (MCD), TAFRO syndrome, and HHV-8 associated CD. Identifying your exact subtype is crucial because it determines which standard of care treatments will be most effective for you.
Are there clinical trials or registries available for Castleman disease?
Yes, because Castleman disease is rare, research is ongoing. There are active clinical trials and patient registries, often supported by organizations like the Castleman Disease Collaborative Network (CDCN). You should ask your medical team if you are eligible to participate.
Should I seek mental health support after a Castleman disease diagnosis?
A new diagnosis of a rare disease can carry significant emotional weight. It is highly recommended to seek mental health support and connect with a patient navigator or social worker who understands rare diseases to help you cope during your treatment journey.
What does long-term monitoring for Castleman disease involve?
After treatment, survivorship involves long-term monitoring for disease flares. You should have a plan in place with your doctor on how to contact your care team if you experience any sudden changes in your symptoms.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What is the best way for me to contact the care team if I experience a sudden change in symptoms?
  2. 2.Are there any clinical trials or registries for Castleman disease that I am eligible to join?
  3. 3.Can you help me connect with a patient navigator or social worker who understands rare diseases?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

This guide provides educational information about Castleman disease and its subtypes. It is not a substitute for professional medical advice, diagnosis, or treatment from your healthcare provider.

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