Building Your Care Team: A Multidisciplinary Approach

Because Primary Angiitis of the Central Nervous System (PACNS) is so rare—affecting only about 2.4 people per million each year—managing it requires a comprehensive approach ^[1]. No single doctor can be an expert in every aspect of this disease. Current international guidelines from the European Stroke Organisation (ESO) strongly recommend that you receive care at an expert center with a multidisciplinary team ^[2].

The Core Specialists

A multidisciplinary team ensures that different medical perspectives are combined to make the most accurate diagnosis and treatment plan ^[3]. Your core team should generally include:

• Vascular Neurologist or Neuroimmunologist: These specialists lead your care, focusing on how the disease affects your brain and coordinating your long-term treatment ^[3][4].
• Rheumatologist: Because PACNS involves autoimmune inflammation, a rheumatologist with experience in vasculitis is essential for managing potent immunosuppressive drugs and monitoring their safety ^[3][2].
• Neuroradiologist: Not all radiologists are familiar with the subtle signs of PACNS. You need a specialist who focuses on interpreting advanced brain imaging, specifically vessel-wall MRI and digital subtraction angiography (DSA) ^[2][5].
• Neuropathologist: If you have a biopsy, a neuropathologist must examine the tissue. Their role is to identify the precise inflammatory patterns and to rule out mimics like cancer or rare infections ^[2][6].

Depending on your symptoms, your team may also include neurosurgeons (to perform biopsies), infectious disease specialists (to rule out mimics), and rehabilitation therapists to help you recover from any neurological injury ^[7][8].

Gathering Your Medical Records

When seeking a second opinion or moving your care to a specialized center, simply providing a printed summary report is rarely enough. The expert team needs to review the raw data to do their jobs effectively. You can work with your hospital’s records department or your specialist’s office to securely transfer:

1. Original Image Files (often called DICOM files): This includes the actual digital files of all MRI scans, MRAs, CTAs, and DSAs. Experts need to see the images themselves, not just the written interpretation ^[9][10].
2. Pathology Materials: If you had a biopsy, the new team’s neuropathologist will want to re-examine the tissue. The records office can facilitate the transfer of the actual glass slides and paraffin blocks directly to the new institution ^[11][7].
3. Complete Medical Timeline: A dated list of when your symptoms started, what medications you have taken (including doses and dates), and results from any spinal taps (CSF analysis) or blood tests ^[2].

(Note: Do not delay urgent treatment if you are having trouble collecting records immediately).

Evaluating a Specialized Center

Since PACNS is so rare, it is normal and responsible to ask about a center’s experience. You want a team with strong diagnostic expertise, multidisciplinary review, and treatment safety protocols. Indicators of high-level expertise include:

• Collaborative Review: Does the center have a formal board or meeting where neurologists, rheumatologists, and radiologists discuss complex cases together? ^[2]
• Biopsy Strategy Discussion: If a biopsy is needed, do they discuss an individualized plan with the neurosurgeon and neuropathologist to determine the safest and highest-yield tissue to target (e.g., leptomeninges vs. cortex vs. white matter) based on your specific imaging? ^[7][12]
• Continuity of Care: Do they offer clear guidance on medication monitoring and long-term continuity of care? (While participation in research registries is valuable for advancing medical science, it is not a strict requirement for receiving highly competent care ^[13][14]).

Being proactive about your care coordination ensures you receive a high standard of multidisciplinary evaluation for this rare condition ^[2].