case_images: PMC11832249_01
case_images: Extracapillary granulomas in inguinal lymphadenopathy and bone biopsy. (a) Inguinal lymphadenopathy pathology in hematoxylin and eosin-stained sections showing granulomatous necrotizing lymphadenitis. (b) Bone biopsy pathology in hematoxylin and eosin-stained sections showing necrotizing granulomas.
case_images: CRIN2025-6619761.001.jpg
case_images: PMC11832249_01_CRIN2025-6619761.001.jpg
case_images: fig1
case_images: Granulomas were absent in the blood vessels (Figure 1).
case_images: Kidney biopsy showing cellular crescents, endocapillary hypercellularity, and marked retraction of the glomerulus. (a) Glomerulus in hematoxylin and eosin stain with cellular crescents. (b) Glomerulus in periodic acid-Schiff (PAS) with cellular crescents.
case_images: CRIN2025-6619761.002.jpg
case_images: PMC11832249_01_CRIN2025-6619761.002.jpg
case_images: fig2
case_images: The absence of interstitial fibrosis and negative immunofluorescence were suggestive of pauci-immune GN associated with vasculitis ANCA-positive for MPO (Figure 2).