{
  "id": "SCR-LIP-000429",
  "statement": "In a systematic review of 7 studies (470 patients, 311 with lipedema), lymphoscintigraphy was normal in 61.4% of lipedema patients, with tortuous lymph vessels (56.8%), collateral vessels (49.1%), and popliteal node visualization (44.0%) as the most common abnormalities and dermal backflow rare (3.8%), reflecting lymphatic overload rather than frank insufficiency.",
  "statement_pt": "Em uma revisão sistemática de 7 estudos (470 pacientes, 311 com lipedema), a linfocintilografia foi normal em 61,4% dos pacientes com lipedema, sendo os vasos linfáticos tortuosos (56,8%), vasos colaterais (49,1%) e visualização do linfonodo poplíteo (44,0%) as anormalidades mais comuns e o refluxo dérmico raro (3,8%), refletindo sobrecarga linfática em vez de insuficiência franca.",
  "claim_type": "clinical_association",
  "context": {
    "population": "women with lipedema (311 of 470 patients across 7 studies)",
    "condition": "lipedema",
    "exposure": "lymphoscintigraphy imaging",
    "comparator": "lymphedema / normal lymphatic patterns",
    "outcome": "lymphoscintigraphic findings (dermal backflow, tortuous/collateral vessels)",
    "scope": "auto-ingested from Layer 1 surveillance"
  },
  "knowledge_state": "emerging",
  "evidence_confidence": "moderate",
  "evidence": [
    {
      "title": "Lymphoscintigraphic Findings in Patients With Lipedema: A Systematic Review.",
      "authors": "Mortada H, Alsaif MA, AlJohani A, Altuwaijri AM, Alshomer F.",
      "ref": "DOI:10.1097/gox.0000000000008015",
      "stance": "refines",
      "study_design": "review",
      "n": null,
      "risk_of_bias": "unknown",
      "grade": "moderate",
      "year": 2026,
      "amato_authored": false,
      "quote": "Lymphoscintigraphy findings were normal in 61.4% of patients with lipedema. Tortuous lymph vessels were the most common abnormality (56.8%), followed by collateral lymph vessels (49.1%) and popliteal node visualization (44.0%). Dermal backflow (3.8%) and secondary lymphedema (11.8%) were less freque",
      "extraction_confidence": "high",
      "note": "The review reports lymphoscintigraphy patterns in lipedema (mostly normal or overload signs, low dermal backflow) that help distinguish it from lymphedema, but stresses methodological heterogeneity and lack of standardized protocols, qualif",
      "verification": {
        "method": "dual-model",
        "verifier_model": "anthropic/claude-sonnet-4-6",
        "primary_model": "anthropic/claude-opus-4.8",
        "quote_grounded": true,
        "stance_agreed": true,
        "faithful": true,
        "verifier_stance": "refines",
        "verdict": "verified",
        "reason": "All specific numbers (7 studies, 470 patients, 311 with lipedema, 61.4% normal, 56.8% tortuous, 49.1% collateral, 44.0% popliteal, 3.8% dermal backflow) and the conclusion about lymphatic overload rather than frank insufficiency are directl",
        "date": "2026-08-23"
      }
    }
  ],
  "relations": [],
  "gaps": "Auto-ingested single source; not yet human-reviewed.",
  "primary_amato_source": null,
  "curators": [],
  "provenance": {
    "auto": true,
    "engine": "anthropic/claude-opus-4.8",
    "question": "SQ-LIP-000023",
    "source": "MED",
    "ingested": "2026-08-23"
  },
  "created": "2026-08-23",
  "updated": "2026-08-23",
  "history": [
    {
      "date": "2026-08-23",
      "event": "created",
      "detail": "auto-ingested for SQ-LIP-000023"
    }
  ],
  "license": "CC-BY-4.0",
  "answers_questions": [
    {
      "id": "SQ-LIP-000023",
      "role": "refines",
      "question": "Can MRI, lymphoscintigraphy, or DXA differentiate lipedema from lymphedema and other fat distributions?",
      "url": "https://scientificclaims.org/q/SQ-LIP-000023.html"
    }
  ],
  "url": "https://scientificclaims.org/c/SCR-LIP-000429.html"
}