When herpes masks a greater threat: A case report of granulomatosis with polyangiitis

Shu-Qing Ma1, Jiantao Wu2,3, Naishi Wu3

  • 1Department of Pulmonary and Critical Care Medicine, Renmin Hospital of Qingxian, Cangzhou, China.

Medicine
|May 29, 2025
PubMed
Abstract

Insights

Granulomatosis with polyangiitis (GPA) can present with unusual skin lesions and rapidly affect multiple organs. Early diagnosis and multidisciplinary treatment are crucial for managing this rare, complex vasculitis.

Area of Science:

  • Medical Case Reports
  • Rheumatology
  • Dermatology

Background:

  • Granulomatosis with polyangiitis (GPA) typically affects the respiratory tract and kidneys, but can involve other organs, complicating diagnosis.
  • Rarely, GPA may initially present with skin herpes and rapidly progressing lesions across multiple organ systems, posing a mortality risk if not promptly identified.
  • This case highlights the diverse clinical spectrum of GPA beyond its common manifestations.

Purpose of the Study:

  • To report a rare case of Granulomatosis with polyangiitis (GPA) initially presenting with herpes-like skin lesions.
  • To emphasize the importance of considering GPA in patients with unexplained, rapidly progressing multi-organ involvement.
  • To underscore the need for a multidisciplinary approach in diagnosing and managing complex GPA cases.

Main Methods:

  • A 19-year-old female presented with herpes lesions, progressing to gum swelling, vision loss, dyspnea, and fever.
  • Diagnostic workup included multidisciplinary team discussion, suspecting vasculitis-associated pneumonia.
  • Tissue biopsy and laboratory tests confirmed Granulomatosis with polyangiitis (GPA) involving nasopharyngeal, ocular, respiratory, and renal systems.

Main Results:

  • The patient received treatment with methylprednisolone, prednisone, and cyclophosphamide.
  • Controlled remission was achieved, with imaging showing reduced lung lesions.
  • This case illustrates successful management of a rare GPA presentation.

Conclusions:

  • Granulomatosis with polyangiitis (GPA) is a complex vasculitis with varied clinical presentations.
  • A high index of suspicion and collaboration among specialists (dermatologists, rheumatologists, etc.) are vital for timely GPA diagnosis.
  • Understanding GPA's diverse manifestations and treatment outcomes is key to improving patient care and therapeutic strategies.

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