{
  "id": "SCR-LIP-000274",
  "statement": "High-resolution duplex sonography (11-12 MHz) measuring subcutis+cutis thickness 8 cm above the medial malleolus distinguished lipedema (~16 mm) from non-lipedema (11±2.8 mm) and at the medial knee (25.5 mm vs 14.7±5 mm), with proposed severity grading (12-15 mm mild, 15-20 mm moderate, >20 mm distinct, >30 mm marked) and a homogeneously hyperechogenic 'snow storm' subcutis without echo-free clefts differentiating lipedema from lymphedema.",
  "statement_pt": "A duplex-sonografia de alta resolução (11-12 MHz) medindo a espessura de subcutis+cutis a 8 cm acima do maléolo medial distinguiu lipedema (~16 mm) de não-lipedema (11±2,8 mm) e na altura do joelho medial (25,5 mm vs 14,7±5 mm), com graduação de severidade proposta (12-15 mm leve, 15-20 mm moderado, >20 mm distinto, >30 mm acentuado) e um subcutis homogeneamente hiperecogênico ('snow storm') sem fendas sem eco diferenciando lipedema de linfedema.",
  "claim_type": "clinical_association",
  "context": {
    "population": "—",
    "condition": "lipedema",
    "exposure": "—",
    "comparator": "—",
    "outcome": "—",
    "scope": "auto-ingested from Layer 1 surveillance"
  },
  "knowledge_state": "emerging",
  "evidence_confidence": "low",
  "evidence": [
    {
      "ref": "DOI:10.1055/s-0037-1621766",
      "stance": "supporting",
      "study_design": "cross_sectional",
      "n": null,
      "risk_of_bias": "unknown",
      "grade": "low",
      "year": 2011,
      "amato_authored": false,
      "note": "Cross-sectional prevalence study (n=62) explicitly validating quantitative ultrasonographic criteria for diagnosing and grading lipedema and differentiating it from lymphedema, directly supporting that ultrasound can diagnose/classify liped"
    }
  ],
  "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-000003",
    "source": "library",
    "ingested": "2026-05-31"
  },
  "created": "2026-05-31",
  "updated": "2026-05-31",
  "history": [
    {
      "date": "2026-05-31",
      "event": "created",
      "detail": "auto-ingested for SQ-LIP-000003"
    }
  ],
  "license": "CC-BY-4.0",
  "answers_questions": [
    {
      "id": "SQ-LIP-000003",
      "role": "supporting",
      "question": "Can ultrasound diagnose or classify lipedema?",
      "url": "https://scientificclaims.org/q/SQ-LIP-000003.html"
    }
  ],
  "url": "https://scientificclaims.org/c/SCR-LIP-000274.html"
}