{
  "id": "SCR-LIP-000309",
  "statement": "In thigh skin and fat biopsies, lipedema (non-obese and obese) showed significantly increased CD68+ macrophages versus BMI-matched controls (p<0.005 and p<0.05) and crown-like structures absent in all controls (12.5-14% of lipedema cases), while CD3+ T-lymphocytes and CD117+ mast cells did not differ; dermal vessel number correlated with macrophage count (r²=0.45, p=0.05), and focal angiogenesis with fibrosis occurred in 30% of non-obese lipedema cases but no controls.",
  "statement_pt": "Em biópsias de pele e gordura da coxa, o lipedema (não-obeso e obeso) apresentou aumento significativo de macrófagos CD68+ versus controles pareados por IMC (p<0,005 e p<0,05) e crown-like structures ausentes em todos os controles (12,5-14% dos casos de lipedema), enquanto linfócitos T CD3+ e mastócitos CD117+ não diferiram; o número de vasos dérmicos correlacionou-se com a contagem de macrófagos (r²=0,45, p=0,05), e angiogênese focal com fibrose ocorreu em 30% dos casos de lipedema não-obeso, mas em nenhum controle.",
  "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:10.1155/2019/8747461",
      "stance": "supporting",
      "study_design": "cross_sectional",
      "n": null,
      "risk_of_bias": "unknown",
      "grade": "low",
      "year": 2019,
      "amato_authored": false,
      "note": "Histological cross-sectional study directly examining inflammatory cells, vascular changes, and adipocyte structure in lipedema tissue stratified by BMI, providing evidence on inflammation mechanisms (macrophage infiltration, crown-like str"
    }
  ],
  "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-000011",
    "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-000011"
    }
  ],
  "license": "CC-BY-4.0",
  "answers_questions": [
    {
      "id": "SQ-LIP-000011",
      "role": "supporting",
      "question": "What is known about the inflammation and pain mechanism in lipedema tissue?",
      "url": "https://scientificclaims.org/q/SQ-LIP-000011.html"
    }
  ],
  "url": "https://scientificclaims.org/c/SCR-LIP-000309.html"
}