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A Rare Presentation of Polyangiitis Overlapping Syndrome
Anita Subramanian1,2, Andrew Hanchosky3, Sharmilee Vuyyuru1
1Internal Medicine, Harnett Health System, Campbell University, Lillington, USA.
Cureus
|April 27, 2023
Summary
A patient with unexplained fevers, weight loss, and ulcers was initially diagnosed with granulomatosis with polyangiitis (GPA). However, conflicting evidence suggested a diagnosis of polyangiitis overlapping syndrome.
Area of Science:
- Rheumatology
- Internal Medicine
- Vascular Inflammation
Background:
- Distinguishing between primary systemic vasculitides can be diagnostically challenging.
- Eosinophilic granulomatosis with polyangiitis and granulomatosis with polyangiitis share overlapping clinical and pathological features.
Observation:
- A 38-year-old male presented with syncope, constitutional symptoms, oral ulcers, rash, and arthralgias.
- Initial diagnostic workup suggested granulomatosis with polyangiitis (GPA).
Findings:
- Conflicting evidence complicated the differentiation between GPA and eosinophilic granulomatosis with polyangiitis.
- The patient's presentation was ultimately deemed more consistent with polyangiitis overlapping syndrome.
Implications:
- Accurate diagnosis of systemic vasculitides is crucial for appropriate therapeutic strategies.
- Recognition of overlapping syndromes is essential for managing complex autoimmune diseases.
- This case highlights the importance of considering alternative diagnoses when faced with ambiguous clinical presentations in vasculitis.
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