{
  "id": 245011,
  "title": "Study labels explanation in generic words.",
  "url": "/competitions/siim-covid19-detection/discussion/245011",
  "author_name": "",
  "post_date": "2021-06-09T09:22:21.745510600Z",
  "votes": 11,
  "comment_count": 3,
  "views": 0,
  "content": "<table>\n<thead>\n<tr>\n<th>Radiographic Classification</th>\n<th>Suggested Reporting Language</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>Typical appearance</td>\n<td>Findings are typical of COVID-19 pneumonia, present. However, these can overlap with other infections, drug reactions, and other causes of acute lung injury</td>\n</tr>\n<tr>\n<td>Indeterminate appearance</td>\n<td>Findings are indeterminate (not exactly known, established, or defined) for COVID-19 pneumonia, which can occur with various infections and noninfectious conditions. Indeterminate features are those that have been reported in COVID-19 pneumonia but overlap significantly with other etiologies also.</td>\n</tr>\n<tr>\n<td>Atypical appearance</td>\n<td>Findings are atypical or uncommonly reported for COVID-19 pneumonia. Consider alternative diagnoses. Atypical features on CXR are those that are uncommon or have not been reported in the COVID-19 literature</td>\n</tr>\n<tr>\n<td>Negative for pneumonia</td>\n<td>No findings of pneumonia. However, chest radiographic findings can be absent early in the course of COVID-19 pneumonia</td>\n</tr>\n</tbody>\n</table>\n<ul>\n<li>Atypical (ay-TIP-ih-cul) is a medical word for “abnormal.” Doctors may use this word to describe cells or body tissues that look unusual under a microscope.</li>\n<li>Typical means what you would expect.</li>\n<li>Opacity meaning in medical terms: The condition of a tissue or structure which is not transparent.</li>\n<li>There can be considerable overlap between the typical and indeterminate appearance of COVID-19 pneumonia. </li>\n</ul>",
  "messages": [
    {
      "id": "1342224",
      "postDate": "06/09/2021 09:22:21",
      "content": "<table>\n<thead>\n<tr>\n<th>Radiographic Classification</th>\n<th>Suggested Reporting Language</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>Typical appearance</td>\n<td>Findings are typical of COVID-19 pneumonia, present. However, these can overlap with other infections, drug reactions, and other causes of acute lung injury</td>\n</tr>\n<tr>\n<td>Indeterminate appearance</td>\n<td>Findings are indeterminate (not exactly known, established, or defined) for COVID-19 pneumonia, which can occur with various infections and noninfectious conditions. Indeterminate features are those that have been reported in COVID-19 pneumonia but overlap significantly with other etiologies also.</td>\n</tr>\n<tr>\n<td>Atypical appearance</td>\n<td>Findings are atypical or uncommonly reported for COVID-19 pneumonia. Consider alternative diagnoses. Atypical features on CXR are those that are uncommon or have not been reported in the COVID-19 literature</td>\n</tr>\n<tr>\n<td>Negative for pneumonia</td>\n<td>No findings of pneumonia. However, chest radiographic findings can be absent early in the course of COVID-19 pneumonia</td>\n</tr>\n</tbody>\n</table>\n<ul>\n<li>Atypical (ay-TIP-ih-cul) is a medical word for “abnormal.” Doctors may use this word to describe cells or body tissues that look unusual under a microscope.</li>\n<li>Typical means what you would expect.</li>\n<li>Opacity meaning in medical terms: The condition of a tissue or structure which is not transparent.</li>\n<li>There can be considerable overlap between the typical and indeterminate appearance of COVID-19 pneumonia. </li>\n</ul>",
      "rawMarkdown": "| Radiographic Classification | Suggested Reporting Language |\n| --- | --- |\n| Typical appearance | Findings are typical of COVID-19 pneumonia, present. However, these can overlap with other infections, drug reactions, and other causes of acute lung injury |\n| Indeterminate appearance | Findings are indeterminate (not exactly known, established, or defined) for COVID-19 pneumonia, which can occur with various infections and noninfectious conditions. Indeterminate features are those that have been reported in COVID-19 pneumonia but overlap significantly with other etiologies also.  |\n| Atypical appearance  | Findings are atypical or uncommonly reported for COVID-19 pneumonia. Consider alternative diagnoses. Atypical features on CXR are those that are uncommon or have not been reported in the COVID-19 literature |\n| Negative for pneumonia | No findings of pneumonia. However, chest radiographic findings can be absent early in the course of COVID-19 pneumonia |\n\n- Atypical (ay-TIP-ih-cul) is a medical word for “abnormal.” Doctors may use this word to describe cells or body tissues that look unusual under a microscope.\n- Typical means what you would expect.\n- Opacity meaning in medical terms: The condition of a tissue or structure which is not transparent.\n- There can be considerable overlap between the typical and indeterminate appearance of COVID-19 pneumonia.",
      "votes": null
    },
    {
      "id": "1342515",
      "postDate": "06/09/2021 14:18:26",
      "content": "<p>Thanks for the plain language explanation. Based on your expert knowledge, what is the mutual exclusiveness between the first 3 positive categories? How much disagreement among radiologists, say, indeterminate vs typical and atypical vs typical. Given the top LB ~0.4 and my experience, classification model seems struggling in differentiating indeterminate/atypical against typical appearance. </p>",
      "rawMarkdown": "Thanks for the plain language explanation. Based on your expert knowledge, what is the mutual exclusiveness between the first 3 positive categories? How much disagreement among radiologists, say, indeterminate vs typical and atypical vs typical. Given the top LB ~0.4 and my experience, classification model seems struggling in differentiating indeterminate/atypical against typical appearance.",
      "votes": null
    },
    {
      "id": "1342631",
      "postDate": "06/09/2021 15:59:03",
      "content": "<p>I will read and try to reply.</p>",
      "rawMarkdown": "I will read and try to reply.",
      "votes": null
    },
    {
      "id": "1343036",
      "postDate": "06/10/2021 01:38:38",
      "content": "<p>Another way of expressing Atypical: </p>\n<pre><code>Atypical Appearance: Pneumothorax, pleural effusion, pulmonary edema, lobar consolidation, solitary lung nodule or mass, diffuse tiny nodules, cavity\n</code></pre>",
      "rawMarkdown": "Another way of expressing Atypical: \n```\nAtypical Appearance: Pneumothorax, pleural effusion, pulmonary edema, lobar consolidation, solitary lung nodule or mass, diffuse tiny nodules, cavity\n```",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1342515,
      "author_name": "houndcl",
      "author_url": "",
      "post_date": "06/09/2021 14:18:26",
      "content": "<p>Thanks for the plain language explanation. Based on your expert knowledge, what is the mutual exclusiveness between the first 3 positive categories? How much disagreement among radiologists, say, indeterminate vs typical and atypical vs typical. Given the top LB ~0.4 and my experience, classification model seems struggling in differentiating indeterminate/atypical against typical appearance. </p>",
      "votes": null,
      "replies": [
        {
          "id": 1342631,
          "author_name": "sachinrastogi",
          "author_url": "",
          "post_date": "06/09/2021 15:59:03",
          "content": "<p>I will read and try to reply.</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1343036,
      "author_name": "yujiariyasu",
      "author_url": "",
      "post_date": "06/10/2021 01:38:38",
      "content": "<p>Another way of expressing Atypical: </p>\n<pre><code>Atypical Appearance: Pneumothorax, pleural effusion, pulmonary edema, lobar consolidation, solitary lung nodule or mass, diffuse tiny nodules, cavity\n</code></pre>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1342224": "| Radiographic Classification | Suggested Reporting Language |\n| --- | --- |\n| Typical appearance | Findings are typical of COVID-19 pneumonia, present. However, these can overlap with other infections, drug reactions, and other causes of acute lung injury |\n| Indeterminate appearance | Findings are indeterminate (not exactly known, established, or defined) for COVID-19 pneumonia, which can occur with various infections and noninfectious conditions. Indeterminate features are those that have been reported in COVID-19 pneumonia but overlap significantly with other etiologies also.  |\n| Atypical appearance  | Findings are atypical or uncommonly reported for COVID-19 pneumonia. Consider alternative diagnoses. Atypical features on CXR are those that are uncommon or have not been reported in the COVID-19 literature |\n| Negative for pneumonia | No findings of pneumonia. However, chest radiographic findings can be absent early in the course of COVID-19 pneumonia |\n\n- Atypical (ay-TIP-ih-cul) is a medical word for “abnormal.” Doctors may use this word to describe cells or body tissues that look unusual under a microscope.\n- Typical means what you would expect.\n- Opacity meaning in medical terms: The condition of a tissue or structure which is not transparent.\n- There can be considerable overlap between the typical and indeterminate appearance of COVID-19 pneumonia.",
    "1342515": "Thanks for the plain language explanation. Based on your expert knowledge, what is the mutual exclusiveness between the first 3 positive categories? How much disagreement among radiologists, say, indeterminate vs typical and atypical vs typical. Given the top LB ~0.4 and my experience, classification model seems struggling in differentiating indeterminate/atypical against typical appearance.",
    "1342631": "I will read and try to reply.",
    "1343036": "Another way of expressing Atypical: \n```\nAtypical Appearance: Pneumothorax, pleural effusion, pulmonary edema, lobar consolidation, solitary lung nodule or mass, diffuse tiny nodules, cavity\n```"
  },
  "source": "meta"
}