{
  "abstract": "We describe a 51‐year‐old male presenting with bilateral calf pain and found to have rapidly progressing pulmonary‐renal syndrome due to GPA vasculitis, despite completing an empiric course of steroids for a gout flare. This case underscores the heterogeneous nature of GPA and the importance of early strong immunosuppressive therapy.",
  "abstract_shown": true,
  "affiliations": [
    "Department of Internal Medicine UCI Medical Center Orange California USA",
    "Department of Rheumatology UCI Medical Center Orange California USA",
    "Tibor Rubin VA Medical Center Long Beach California USA"
  ],
  "article_type": "case study",
  "arxiv": null,
  "author_total": 3,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Lily Gupta (Allison)",
      "orcid": "0009-0008-0448-5427"
    },
    {
      "affs": [
        1
      ],
      "name": "Yingxue Wang",
      "orcid": "0009-0007-0342-5951"
    },
    {
      "affs": [
        1,
        2
      ],
      "name": "Eugenia Chen"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/b2f14pkjsk2hb.bib",
  "cited_by": 0,
  "doi": "10.1002/ccr3.73819",
  "fulltext_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13728996/?tool=EBI",
  "id": "b2f14pkjsk2hb",
  "issns": [
    "2050-0904"
  ],
  "landing_url": "https://europepmc.org/article/PMC/PMC13728996",
  "language": "eng",
  "licence": "CC-BY-NC-ND",
  "licence_label": "CC BY-NC-ND",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "heading",
      "Case Report"
    ],
    [
      "openalex",
      "2745|Vasculitis and related conditions"
    ]
  ],
  "openalex": "W7225142221",
  "pdf_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13728996/pdf/?tool=EBI",
  "pmcid": "PMC13728996",
  "pmid": "42979246",
  "published": "2026-11-01",
  "publisher": "Wiley",
  "ris": "https://research.draconitic.com/paper/b2f14pkjsk2hb.ris",
  "sources": [
    {
      "first_seen": "2026-11-04T15:20:46Z",
      "native_id": "PMC:PMC13728996",
      "source": "europepmc",
      "url": "https://europepmc.org/article/PMC/PMC13728996"
    },
    {
      "first_seen": "2026-11-07T12:21:50Z",
      "native_id": "PMC13728996",
      "source": "pmc",
      "url": "https://doi.org/10.1002/ccr3.73819"
    }
  ],
  "subjects": [
    {
      "field": "medicine",
      "origin": "openalex:2745|Vasculitis and related conditions",
      "subfield": "general"
    }
  ],
  "title": "Rapidly Progressing Interstitial Fibrosis and Glomerulonephritis due to Granulomatosis With Polyangiitis Presenting With Calf Pain",
  "title_text": "Rapidly Progressing Interstitial Fibrosis and Glomerulonephritis due to Granulomatosis With Polyangiitis Presenting With Calf Pain",
  "type": "peer-reviewed",
  "updated_at": "2026-11-07T12:21:50Z",
  "url": "https://research.draconitic.com/paper/b2f14pkjsk2hb",
  "venue": "Clinical case reports",
  "versions": []
}