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Mammography Density CodeSystem - JSON Representation

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{
  "resourceType" : "CodeSystem",
  "id" : "MGDensityCS",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>Mammography Density CodeSystem</h2><div><p>Mammography density code system.</p>\n</div><p>This code system http://hl7.org/fhir/us/breast-radiology/CodeSystem/MGDensityCS defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">CentralLucent<a name=\"MGDensityCS-CentralLucent\"> </a></td><td>Central lucent</td><td>These are round or oval calcifications that range \r\nfrom under 1 mm to over a centimeter. \r\nThey are the result of fat necrosis, calcified debris \r\nin ducts, and occasional fibroadenomas. \r\n[https://radiologyassistant.nl/breast/breast-calcifications-differential-diagnosis#benign-calcifications-lucent-centered] \r\n\r\nValid for the following modalities: MG.</td></tr><tr><td style=\"white-space:nowrap\">EqualDensity<a name=\"MGDensityCS-EqualDensity\"> </a></td><td>Equal density</td><td>(historically, &quot;isodense&quot;) \r\nX-ray attenuation of the mass is the same as the \r\nexpected attenuation of an equal volume of \r\n\r\nfibroglandular breast tissue. \r\n[Breast Imaging Reporting and Data System—Ultrasound, Second Edition] \r\n\r\nValid for the following modalities: MG.</td></tr><tr><td style=\"white-space:nowrap\">FatContaining<a name=\"MGDensityCS-FatContaining\"> </a></td><td>Fat containing</td><td>This includes all masses containing fat, such as \r\noil cyst, lipoma or galactocele, as well as mixed \r\ndensity masses such as hamartoma. \r\nA fat-containing mass will almost always represent \r\na \r\n\r\nbenign mass. \r\n[Breast Imaging Reporting and Data System—Ultrasound, Second Edition] \r\n\r\nValid for the following modalities: MG.</td></tr><tr><td style=\"white-space:nowrap\">HighDensity<a name=\"MGDensityCS-HighDensity\"> </a></td><td>High density</td><td>the breast tissue may be called dense if you have \r\na lot of fibrous or glandular \r\ntissue and not much fat in the breasts. \r\nHaving dense breast tissue is common. \r\nSome women have more dense breast tissue than others. \r\n[https://www.cancer.org/cancer/breast-cancer/screening-tests-and-early-detection/mammograms/breast-density-and-the-mammogram-report.html] \r\n\r\nValid for the following modalities: MG.</td></tr><tr><td style=\"white-space:nowrap\">LowDensity<a name=\"MGDensityCS-LowDensity\"> </a></td><td>Low density</td><td>X-ray attenuation of the mass is less than the expected \r\nattenuation of an equal volume of \r\nfibroglandular breast tissue. \r\nA low density mass may be a group of microcysts. \r\nIf such a finding \r\nis identified at mammography, it may very well not \r\nbe malignant but appropriately may \r\n\r\nbe worked up. \r\n[Breast Imaging Reporting and Data System—Ultrasound, Second Edition] \r\n\r\nValid for the following modalities: MG.</td></tr></table></div>"
  },
  "url" : "http://hl7.org/fhir/us/breast-radiology/CodeSystem/MGDensityCS",
  "version" : "0.2.0",
  "name" : "MGDensityCS",
  "title" : "Mammography Density CodeSystem",
  "status" : "draft",
  "date" : "2019-11-01T00:00:00+00:00",
  "publisher" : "Hl7 - Clinical Interoperability Council",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org/Special/committees/cic"
        }
      ]
    }
  ],
  "description" : "Mammography density code system.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 5,
  "concept" : [
    {
      "code" : "CentralLucent",
      "display" : "Central lucent",
      "definition" : "These are round or oval calcifications that range \r\nfrom under 1 mm to over a centimeter. \r\nThey are the result of fat necrosis, calcified debris \r\nin ducts, and occasional fibroadenomas. \r\n[https://radiologyassistant.nl/breast/breast-calcifications-differential-diagnosis#benign-calcifications-lucent-centered] \r\n\r\nValid for the following modalities: MG."
    },
    {
      "code" : "EqualDensity",
      "display" : "Equal density",
      "definition" : "(historically, \"isodense\") \r\nX-ray attenuation of the mass is the same as the \r\nexpected attenuation of an equal volume of \r\n\r\nfibroglandular breast tissue. \r\n[Breast Imaging Reporting and Data System—Ultrasound, Second Edition] \r\n\r\nValid for the following modalities: MG."
    },
    {
      "code" : "FatContaining",
      "display" : "Fat containing",
      "definition" : "This includes all masses containing fat, such as \r\noil cyst, lipoma or galactocele, as well as mixed \r\ndensity masses such as hamartoma. \r\nA fat-containing mass will almost always represent \r\na \r\n\r\nbenign mass. \r\n[Breast Imaging Reporting and Data System—Ultrasound, Second Edition] \r\n\r\nValid for the following modalities: MG."
    },
    {
      "code" : "HighDensity",
      "display" : "High density",
      "definition" : "the breast tissue may be called dense if you have \r\na lot of fibrous or glandular \r\ntissue and not much fat in the breasts. \r\nHaving dense breast tissue is common. \r\nSome women have more dense breast tissue than others. \r\n[https://www.cancer.org/cancer/breast-cancer/screening-tests-and-early-detection/mammograms/breast-density-and-the-mammogram-report.html] \r\n\r\nValid for the following modalities: MG."
    },
    {
      "code" : "LowDensity",
      "display" : "Low density",
      "definition" : "X-ray attenuation of the mass is less than the expected \r\nattenuation of an equal volume of \r\nfibroglandular breast tissue. \r\nA low density mass may be a group of microcysts. \r\nIf such a finding \r\nis identified at mammography, it may very well not \r\nbe malignant but appropriately may \r\n\r\nbe worked up. \r\n[Breast Imaging Reporting and Data System—Ultrasound, Second Edition] \r\n\r\nValid for the following modalities: MG."
    }
  ]
}