{
  "id": "SCR-LIP-000299",
  "statement": "Quantitative sensory testing in non-obese women with lipedema showed a 2-fold reduced pressure pain threshold and 2.5-fold increased vibration detection threshold selectively in the affected thigh (quadriceps/patella) but not the hand, with no central alterations, suggesting a peripheral pain mechanism via ECM stiffness and mechanoceptive amplification.",
  "statement_pt": "Testes sensoriais quantitativos em mulheres não obesas com lipedema mostraram limiar de dor por pressão reduzido em 2x e limiar de detecção de vibração aumentado em 2,5x seletivamente na coxa afetada (quadríceps/patela), mas não na mão, sem alterações centrais, sugerindo um mecanismo de dor periférico via rigidez da ECM e amplificação mecanoceptiva.",
  "claim_type": "clinical_association",
  "context": {
    "population": "—",
    "condition": "lipedema",
    "exposure": "—",
    "comparator": "—",
    "outcome": "—",
    "scope": "auto-ingested from Layer 1 surveillance"
  },
  "knowledge_state": "emerging",
  "evidence_confidence": "very_low",
  "evidence": [
    {
      "ref": "DOI:10.1111/obr.13953",
      "stance": "refines",
      "study_design": "review",
      "n": null,
      "risk_of_bias": "unknown",
      "grade": "very_low",
      "year": 2025,
      "amato_authored": false,
      "note": "The narrative review reports localized pain phenotype (reduced pressure pain threshold) in lipedema via QST, indicating a peripheral pain mechanism, but does not address fibromyalgia or systemic chronic-pain comorbidity; the cited QST findi"
    }
  ],
  "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-000008",
    "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-000008"
    }
  ],
  "license": "CC-BY-4.0",
  "answers_questions": [
    {
      "id": "SQ-LIP-000008",
      "role": "refines",
      "question": "Is lipedema associated with fibromyalgia and other chronic-pain conditions?",
      "url": "https://scientificclaims.org/q/SQ-LIP-000008.html"
    }
  ],
  "url": "https://scientificclaims.org/c/SCR-LIP-000299.html"
}