DOI: 10.12890/2025_005755

Strawberry gingivitis as the initial manifestation of granulomatosis with polyangiitis in a patient with alpha-1 antitrypsin deficiency

Authors

  • Ayema Haque Department of Internal Medicine, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, USA 0000-0002-6479-3033
  • Humza Naveed Aga Khan University Hospital, Karachi, Pakistan 0009-0005-0208-1267
  • Gautam Pandrangi Department of Internal Medicine, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, USA 0000-0002-7930-1812
  • Laiba Gulzar Aga Khan University Hospital, Karachi, Pakistan 0009-0009-1657-7158
  • Harshank Patel Department of Internal Medicine, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, USA 0000-0003-2883-486X
  • Vanita Motiani Department of Internal Medicine, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, USA
  • Satish Solanki Bronson Rheumatology Specialists, Battle Creek, USA

ayema.haque@wmed.edu

Keywords

Granulomatosis with polyangiitis, strawberry gingivitis, ANCA-associated vasculitis, alpha-1 antitrypsin deficiency

Abstract

Background: Granulomatosis with polyangiitis (GPA) is a systemic necrotizing vasculitis, associated with anti-neutrophil cytoplasmic antibody (ANCA) that typically affects small- to medium-sized vessels in the upper and lower respiratory tracts and kidneys. While oral involvement is uncommon, the pathognomonic finding of “strawberry gingivitis” can be an initial manifestation in rare cases. The gingivitis presents as a friable, hyperplastic, erythematous gingival lesion. Recognizing this manifestation is critical, as it may precede systemic involvement and facilitate early diagnosis and intervention.
Case presentation: We report a case of a 56-year-old male with a history of chronic epistaxis, alpha-1 antitrypsin deficiency, and recent new onset joint pain who presented with a two-month history of painful gums refractory to antibiotic treatment. Histopathology of the lesion as well as - a positive proteinase 3 titre – and a cytoplasmic ANCA staining pattern confirmed GPA and C-reactive protein was elevated. With this diagnosis, he was treated with prednisone and methotrexate and later switched to azathioprine due to potential toxicity, leading to symptom resolution and normalization of inflammatory markers. At 1-year follow-up, he remained clinically stable on azathioprine 100 mg daily.
Conclusion: Our case highlights the importance of recognizing strawberry gingivitis as a rare but pathognomonic early manifestation of GPA. It underscores the need for prompt biopsy and serologic testing for accurate diagnosis and suggests that alpha-1 antitrypsin deficiency should raise clinical suspicion for GPA. Early initiation of immunosuppressive therapy is crucial to prevent progression to severe systemic disease.

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References

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Published

2025-09-16

Issue

Vol. 12 No. 10 (2025)

Categories

How to Cite

1.
Haque A, Naveed H, Pandrangi G, Gulzar L, Patel H, Motiani V, et al. Strawberry gingivitis as the initial manifestation of granulomatosis with polyangiitis in a patient with alpha-1 antitrypsin deficiency. EJCRIM [Internet]. 2025 Sep. 16 [cited 2026 Nov. 3];12(10). Available from: https://ejcrim.com/index.php/ejcrim/article/view/5755

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