Microscopic polyangiitis in an unassuming child with arthritis: A case report
DOI:
https://doi.org/10.32677/IJCR.2021.v07.i06.010Keywords:
Arthritis, Microscopic polyangiitis, pANCAAbstract
Microscopic polyangiitis is a rare vasculitis in childhood that primarily affects the kidneys and lungs. Here, we present the case of a 9-year-old boy who presented with fever and arthritis of the left knee and ankle. Investigations incidentally revealed high creatinine and microscopic hematuria. Perinuclear anti-neutrophil cytoplasmic antibody (pANCA) and renal biopsy were suggestive of microscopic polyangiitis. The patient was given steroids and cyclophosphamide; however, he expired of a catastrophic diffuse alveolar hemorrhage. This case highlights the need to keep ANCA-associated vasculitis in mind during workup for hematuria and unexplained acute kidney injury to aid in early diagnosis and management of the underlying condition.
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