Clinical Cases  ·  Rheumatology Vol. II: Systemic Autoimmune and Connective Tissue Disease  ·  Vasculitides
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Rheumatology

Vasculitides

12 cases on biologic and steroid-sparing therapy selection across giant cell arteritis, Takayasu arteritis, ANCA-associated and other vasculitides — choose a case below to open its full multi-voice debate.

RheumatologyVasculitides
Two Boxed Warnings, One New Diagnosis: Steroid-Sparing Choice in Cranial GCA

Rosalind T., 74, a hospice chaplain still running her weekly grief-support group, has just been diagnosed with giant cell arteritis. Nobody disputes that she needs a steroid-sparing agent — the disagreement is which of two options, both carrying a boxed warning, is the safer bet for her specifically.

Case 0001
RheumatologyVasculitides
Weekly or Every Other Week: Reading a New-Onset Subgroup Against a Truck Driver’s Two Colds

Warren K., 68, is in remission on weekly tocilizumab for new-onset GCA. The case everyone once pointed to for stepping him down to every-other-week dosing has since been re-tested by its own three-year extension — and the answer changed.

Case 0002
RheumatologyVasculitides
Sixteen Weeks or Twenty-Six: A Seamstress’s Bones and Blood Sugar Against the Standard Taper

Ines M., 79, a seamstress six weeks into the standard glucocorticoid taper for GCA, is already showing the bone and blood-sugar cost of the steroid she's on. The disagreement is whether her own accumulating side effects justify a faster, less-proven taper over the standard one.

Case 0003
RheumatologyVasculitides
A Fourth Flare and Two New Diagnoses of Its Own: What a Modest Trial Margin Actually Buys Him

Douglas F., 66, backstage carpenter for the community theater, is on his fourth glucocorticoid taper attempt for polymyalgia rheumatica — and has picked up two new diagnoses along the way from the steroids themselves. The disagreement is what a modestly-sized trial's benefit actually buys a patient who has this much to lose from another round of steroids.

Case 0004
RheumatologyVasculitides
Borrowing a Neighbor’s Trial: Tocilizumab in Takayasu After a Study That Missed Its Own Endpoint

Priyanka D., 24, runs the overnight shift in a hospital chemistry lab and has relapsed twice with Takayasu arteritis. The best evidence anyone can offer her comes from a trial that missed its own primary endpoint — in a different disease entirely.

Case 0005
RheumatologyVasculitides
An Accountant Without a Headache: How Long to Treat the GCA That Never Announced Itself

Marcus L., 63, has large-vessel GCA that never announced itself with a single symptom — it was found on imaging. The disagreement is whether the same scan that found his disease should also be the thing that decides how long he stays on treatment.

Case 0006
RheumatologyVasculitides
A Flare on the Drug That Was Supposed to Prevent It: Switching or Adding After Fourteen Months

Eleanor P., 77, volunteers twice a week at the library where she worked for decades, and her GCA has just broken through fourteen months of tocilizumab that had otherwise controlled it completely. Neither drug on the table was ever tested in a patient whose disease escaped the one that was supposed to prevent exactly this.

Case 0007
RheumatologyVasculitides
ANCA-Negative, Nerve-Positive: When a Biologic’s Own Approval Population Doesn’t Cover the Nerve

Gerald N., 51, a high school shop teacher, has new nerve damage from eosinophilic granulomatosis with polyangiitis — and his ANCA status turns out to put him on the weaker side of the evidence for the drug everyone would otherwise reach for first.

Case 0008
RheumatologyVasculitides
A Pulmonary Artery Aneurysm and the Drug the Room Must Not Reach For

Tomer A., 29, drives for a rideshare app around the rhythm of Behçet's disease he's managed for five years, and a new pulmonary artery aneurysm has just raised the stakes considerably. The disagreement is which aggressive treatment actually has the safety edge everyone assumes it does, once the real trial numbers are read closely.

Case 0009
RheumatologyVasculitides
A Teacher’s Mild Proteinuria and a Question Pediatrics Never Really Had to Answer

Dana W., 42, a third-grade teacher, has new adult-onset IgA vasculitis with mild kidney involvement — a disease pediatrics almost never has to make this call on, since it usually resolves on its own in children. The disagreement is whether a framework borrowed from a different kidney disease is the right ruler for her risk.

Case 0010
RheumatologyVasculitides
A Score Built for Mortality, Applied to a Man Who Is Losing the Use of Both Feet

Carl B., 55, has run his own auto-repair shop for twenty-two years without a sick day, and is now losing the use of both feet to polyarteritis nodosa. His risk score comes back reassuringly low — but that score was only ever built to predict death, not the exact thing actually happening to him.

Case 0011
RheumatologyVasculitides
Months of Leg Nodules and No Biomarker to Say Whether They’re the Whole Story

Marisol V., 35, a freelance graphic designer, has spent months tracking skin nodules from cutaneous polyarteritis nodosa with nothing pointing to systemic disease. The disagreement is how much a prolonged, relapsing course should worry the room, once the real natural history says that's the norm for this disease, not a warning sign — and how carefully the chosen drug itself needs to be screened for before it starts.

Case 0012
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