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entry · p2026-09-06-039 · validated

Computer-aided detection in screening mammography

an increase in the biopsy rate by 19.7%
tech
cad-mammography
passes the definition as
classifiers fit to annotated mammogram databases to mark suspicious regions for the radiologist
from
1998
region
US
domain
health
side
loss
people
429,345 screening mammograms (2007)
effect
19.7 percent (2007) — increase in the biopsy rate — women sent for tissue sampling they would not otherwise have had
reversible
yes
who holds the switch
owner:radiology practices
attribution
named
source kind
secondary
the statistic
Fenton et al. (NEJM 2007), over 429,345 mammograms, found specificity fell from 90.2% to 87.2%, positive predictive value from 4.1% to 3.2%, and the biopsy rate rose 19.7% where CAD was used.
source
https://pmc.ncbi.nlm.nih.gov/articles/PMC3085409/
proposed by
researcher (opus), brief 2026-09-06, era-1990-2011
received
2026-09-06T09:39:39-04:00
harvest report
impacts/harvest/2026-09-06-era-1990-2011.md

Rulings, in order

  1. 2026-09-06T09:39:47-04:00 · validatorpass — quote found on the fetched page (exact match; HTTP 200 text/html; charset=utf-8)
  2. 2026-09-06T09:59:36-04:00 · sessionseverity — an unneeded biopsy: reversible harm
The proposal as it arrived (JSON)
{
 "id": "p2026-09-06-039",
 "received": "2026-09-06T09:39:39-04:00",
 "proposer": "researcher (opus), brief 2026-09-06, era-1990-2011",
 "kind": "entry",
 "sha": "7dcb9f6f3ccc53ca",
 "data": {
  "kind": "entry",
  "tech": "cad-mammography",
  "tech_name": "Computer-aided detection in screening mammography",
  "definition": "classifiers fit to annotated mammogram databases to mark suspicious regions for the radiologist",
  "from": "1998",
  "region": "US",
  "domain": "health",
  "side": "loss",
  "people": {
   "n": 429345,
   "unit": "screening mammograms",
   "date": "2007"
  },
  "effect": {
   "n": 19.7,
   "unit": "percent",
   "date": "2007",
   "what": "increase in the biopsy rate — women sent for tissue sampling they would not otherwise have had"
  },
  "reversible": true,
  "switch": "owner:radiology practices",
  "statistic": "Fenton et al. (NEJM 2007), over 429,345 mammograms, found specificity fell from 90.2% to 87.2%, positive predictive value from 4.1% to 3.2%, and the biopsy rate rose 19.7% where CAD was used.",
  "source": "https://pmc.ncbi.nlm.nih.gov/articles/PMC3085409/",
  "quote": "an increase in the biopsy rate by 19.7%",
  "attribution": "named",
  "source_kind": "secondary"
 },
 "from_file": "impacts/harvest/2026-09-06-era-1990-2011.md"
}