diff --git a/extensions/default/src/ActionButtons.jsx b/extensions/default/src/ActionButtons.jsx
deleted file mode 100644
index 0e3e8a3b6..000000000
--- a/extensions/default/src/ActionButtons.jsx
+++ /dev/null
@@ -1,37 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-import { Button, ButtonGroup, Icon, IconButton } from '@ohif/ui';
-
-function ActionButtons() {
-  return (
-    <React.Fragment>
-      <ButtonGroup onClick={() => alert('Export')}>
-        <Button
-          className="px-2 py-2 text-base text-white bg-black border-primary-main"
-          size="initial"
-          color="inherit"
-        >
-          Export
-        </Button>
-        <IconButton
-          className="px-2 text-white bg-black border-primary-main"
-          color="inherit"
-          size="initial"
-        >
-          <Icon name="arrow-down" />
-        </IconButton>
-      </ButtonGroup>
-      <Button
-        className="px-2 py-2 ml-2 text-base text-white bg-black border border-primary-main"
-        variant="outlined"
-        size="initial"
-        color="inherit"
-        onClick={() => alert('Create Report')}
-      >
-        Create Report
-      </Button>
-    </React.Fragment>
-  );
-}
-
-export default ActionButtons;
diff --git a/extensions/default/src/PanelMeasurementTable.js b/extensions/default/src/PanelMeasurementTable.js
index 6da4696fd..0967ac378 100644
--- a/extensions/default/src/PanelMeasurementTable.js
+++ b/extensions/default/src/PanelMeasurementTable.js
@@ -1,55 +1,170 @@
-import React from 'react';
-import { StudySummary, MeasurementTable } from '@ohif/ui';
-import ActionButtons from './ActionButtons.jsx';
+import React, { useEffect, useState } from 'react';
+import PropTypes from 'prop-types';
+import { MeasurementTable } from '@ohif/ui';
+import { DicomMetadataStore } from '@ohif/core';
+import debounce from './debounce.js';
 
 export default function PanelMeasurementTable({
   servicesManager,
-  commandsManager,
+  // commandsManager,
 }) {
   const { MeasurementService } = servicesManager.services;
+  const [displayMeasurements, setDisplayMeasurements] = useState([]);
 
-  console.log('MeasurementTable rendering!!!!!!!!!!!!!');
+  useEffect(() => {
+    const debouncedSetDisplayMeasurements = debounce(
+      setDisplayMeasurements,
+      100
+    );
+    // ~~ Initial
+    setDisplayMeasurements(_getMappedMeasurements(MeasurementService));
 
-  const descriptionData = {
-    date: '07-Sep-2010',
-    modality: 'CT',
-    description: 'CHEST/ABD/PELVIS W CONTRAST',
-  };
+    // ~~ Subscription
+    const added = MeasurementService.EVENTS.MEASUREMENT_ADDED;
+    const updated = MeasurementService.EVENTS.MEASUREMENT_UPDATED;
+    const removed = MeasurementService.EVENTS.MEASUREMENT_REMOVED;
+    const subscriptions = [];
 
-  const activeMeasurementItem = 0;
+    [added, updated, removed].forEach(evt => {
+      subscriptions.push(
+        MeasurementService.subscribe(evt, () => {
+          debouncedSetDisplayMeasurements(
+            _getMappedMeasurements(MeasurementService)
+          );
+        }).unsubscribe
+      );
+    });
 
-  const measurementTableData = {
-    title: 'Measurements',
-    amount: 10,
-    data: new Array(10).fill({}).map((el, i) => ({
-      id: i + 1,
-      label: 'Label short description',
-      displayText: '24.0 x 24.0 mm (S:4, I:22)',
-      isActive: activeMeasurementItem === i + 1,
-    })),
-    onClick: id => setActiveMeasurementItem(s => (s === id ? null : id)),
-    onEdit: id => alert(`Edit: ${id}`),
-  };
+    return () => {
+      subscriptions.forEach(unsub => {
+        unsub();
+      });
+    };
+  }, [MeasurementService]);
+
+  // const activeMeasurementItem = 0;
 
   return (
     <>
       <div className="overflow-x-hidden overflow-y-auto invisible-scrollbar">
-        <StudySummary
-          date={descriptionData.date}
-          modality={descriptionData.modality}
-          description={descriptionData.description}
-        />
         <MeasurementTable
           title="Measurements"
-          amount={measurementTableData.data.length}
-          data={measurementTableData.data}
+          amount={displayMeasurements.length}
+          data={displayMeasurements}
           onClick={() => {}}
           onEdit={id => alert(`Edit: ${id}`)}
         />
       </div>
-      <div className="flex justify-center p-4">
-        <ActionButtons />
-      </div>
     </>
   );
 }
+
+PanelMeasurementTable.propTypes = {
+  servicesManager: PropTypes.shape({
+    services: PropTypes.shape({
+      MeasurementService: PropTypes.shape({
+        getMeasurements: PropTypes.func.isRequired,
+        subscribe: PropTypes.func.isRequired,
+        EVENTS: PropTypes.object.isRequired,
+        VALUE_TYPES: PropTypes.object.isRequired,
+      }).isRequired,
+    }).isRequired,
+  }).isRequired,
+};
+
+function _getMappedMeasurements(MeasurementService) {
+  const measurements = MeasurementService.getMeasurements();
+  const mappedMeasurements = measurements.map((m, index) =>
+    _mapMeasurementToDisplay(m, index, MeasurementService.VALUE_TYPES)
+  );
+
+  return mappedMeasurements;
+}
+
+function _mapMeasurementToDisplay(measurement, index, types) {
+  const {
+    id,
+    label,
+    description,
+    // Reference IDs
+    referenceStudyUID,
+    referenceSeriesUID,
+    SOPInstanceUID,
+  } = measurement;
+  const instance = DicomMetadataStore.getInstance(
+    referenceStudyUID,
+    referenceSeriesUID,
+    SOPInstanceUID
+  );
+  const { PixelSpacing, SeriesNumber, InstanceNumber } = instance;
+
+  return {
+    id: index + 1,
+    label: '(empty)', // 'Label short description',
+    displayText:
+      _getDisplayText(
+        measurement,
+        PixelSpacing,
+        SeriesNumber,
+        InstanceNumber,
+        types
+      ) || [],
+    // TODO: handle one layer down
+    isActive: false, // activeMeasurementItem === i + 1,
+  };
+}
+
+function _getDisplayText(
+  measurement,
+  pixelSpacing,
+  seriesNumber,
+  instanceNumber,
+  types
+) {
+  const { type, points } = measurement;
+  const hasPixelSpacing =
+    pixelSpacing !== undefined &&
+    Array.isArray(pixelSpacing) &&
+    pixelSpacing.length === 2;
+  const [rowPixelSpacing, colPixelSpacing] = hasPixelSpacing
+    ? pixelSpacing
+    : [1, 1];
+  const unit = hasPixelSpacing ? 'mm' : 'px';
+
+  switch (type) {
+    case types.POLYLINE: {
+      const { length } = measurement;
+      const roundedLength = _round(length, 1);
+
+      return [
+        `${roundedLength} ${unit} (S:${seriesNumber}, I:${instanceNumber})`,
+      ];
+    }
+    case types.BIDIRECTIONAL: {
+      const { shortestDiameter, longestDiameter } = measurement;
+      const roundedShortestDiameter = _round(shortestDiameter, 1);
+      const roundedLongestDiameter = _round(longestDiameter, 1);
+
+      return [
+        `l: ${roundedLongestDiameter} ${unit} (S:${seriesNumber}, I:${instanceNumber})`,
+        `s: ${roundedShortestDiameter} ${unit}`,
+      ];
+    }
+    case types.ELLIPSE: {
+      const { area } = measurement;
+      const roundedArea = _round(area, 1);
+
+      return [
+        `${roundedArea} ${unit}2 (S:${seriesNumber}, I:${instanceNumber})`,
+      ];
+    }
+    case types.POINT: {
+      const { text } = measurement;
+      return [`${text} (S:${seriesNumber}, I:${instanceNumber})`];
+    }
+  }
+}
+
+function _round(value, decimals) {
+  return Number(Math.round(value + 'e' + decimals) + 'e-' + decimals);
+}
diff --git a/extensions/default/src/debounce.js b/extensions/default/src/debounce.js
new file mode 100644
index 000000000..83a16b099
--- /dev/null
+++ b/extensions/default/src/debounce.js
@@ -0,0 +1,21 @@
+// Returns a function, that, as long as it continues to be invoked, will not
+// be triggered. The function will be called after it stops being called for
+// N milliseconds. If `immediate` is passed, trigger the function on the
+// leading edge, instead of the trailing.
+function debounce(func, wait, immediate) {
+  var timeout;
+  return function() {
+    var context = this,
+      args = arguments;
+    var later = function() {
+      timeout = null;
+      if (!immediate) func.apply(context, args);
+    };
+    var callNow = immediate && !timeout;
+    clearTimeout(timeout);
+    timeout = setTimeout(later, wait);
+    if (callNow) func.apply(context, args);
+  };
+}
+
+export default debounce;
diff --git a/extensions/measurement-tracking/src/panels/PanelMeasurementTableTracking/index.js b/extensions/measurement-tracking/src/panels/PanelMeasurementTableTracking/index.js
index 9a40f8ca5..e8381f39f 100644
--- a/extensions/measurement-tracking/src/panels/PanelMeasurementTableTracking/index.js
+++ b/extensions/measurement-tracking/src/panels/PanelMeasurementTableTracking/index.js
@@ -21,7 +21,12 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
     measurementChangeTimestamp,
     200
   );
-  const { MeasurementService, UINotificationService, UIDialogService, DisplaySetService } = servicesManager.services;
+  const {
+    MeasurementService,
+    UINotificationService,
+    UIDialogService,
+    DisplaySetService,
+  } = servicesManager.services;
   const [
     trackedMeasurements,
     sendTrackedMeasurementsEvent,
@@ -31,9 +36,7 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
     DISPLAY_STUDY_SUMMARY_INITIAL_VALUE
   );
   const [displayMeasurements, setDisplayMeasurements] = useState([]);
-  // TODO: measurements subscribtion
 
-  // Initial?
   useEffect(() => {
     const measurements = MeasurementService.getMeasurements();
     const filteredMeasurements = measurements.filter(
@@ -120,7 +123,7 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
       isDraggable: false,
       centralize: true,
       // TODO: Create a loading indicator component + zeplin design?
-      content: () => <div className="text-primary-active">Loading...</div>
+      content: () => <div className="text-primary-active">Loading...</div>,
     });
 
     try {
@@ -136,13 +139,18 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
       // Would need some way of saying which one is the "push" dataSource
       const dataSource = dataSources[0];
 
-      const naturalizedReport = await DICOMSR.storeMeasurements(trackedMeasurements, dataSource);
+      const naturalizedReport = await DICOMSR.storeMeasurements(
+        trackedMeasurements,
+        dataSource
+      );
 
-      DisplaySetService.makeDisplaySets([naturalizedReport], { madeInClient: true });
+      DisplaySetService.makeDisplaySets([naturalizedReport], {
+        madeInClient: true,
+      });
       UINotificationService.show({
         title: 'STOW SR',
         message: 'Measurements saved successfully',
-        type: 'success'
+        type: 'success',
       });
     } catch (error) {
       UINotificationService.show({
@@ -169,7 +177,7 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
           title="Measurements"
           amount={displayMeasurements.length}
           data={displayMeasurements}
-          onClick={() => { }}
+          onClick={() => {}}
           onEdit={id => alert(`Edit: ${id}`)}
         />
       </div>
@@ -183,7 +191,16 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
   );
 }
 
-PanelMeasurementTableTracking.propTypes = {};
+PanelMeasurementTableTracking.propTypes = {
+  servicesManager: PropTypes.shape({
+    services: PropTypes.shape({
+      MeasurementService: PropTypes.shape({
+        getMeasurements: PropTypes.func.isRequired,
+        VALUE_TYPES: PropTypes.object.isRequired,
+      }).isRequired,
+    }).isRequired,
+  }).isRequired,
+};
 
 // TODO: This could be a MeasurementService mapper
 function _mapMeasurementToDisplay(measurement, index, types) {
@@ -203,9 +220,6 @@ function _mapMeasurementToDisplay(measurement, index, types) {
   );
   const { PixelSpacing, SeriesNumber, InstanceNumber } = instance;
 
-  console.log('mapping....', measurement);
-  console.log(instance);
-
   return {
     id: index + 1,
     label: '(empty)', // 'Label short description',
@@ -234,15 +248,7 @@ function _getDisplayText(
   instanceNumber,
   types
 ) {
-  // TODO: determination of shape influences text
-  // Length:  'xx.x unit (S:x, I:x)'
-  // Rectangle: 'xx.x x xx.x unit (S:x, I:x)',
-  // Ellipse?
-  // Bidirectional?
-  // Freehand?
-
   const { type, points } = measurement;
-
   const hasPixelSpacing =
     pixelSpacing !== undefined &&
     Array.isArray(pixelSpacing) &&
@@ -253,18 +259,16 @@ function _getDisplayText(
   const unit = hasPixelSpacing ? 'mm' : 'px';
 
   switch (type) {
-    case types.POLYLINE:
+    case types.POLYLINE: {
       const { length } = measurement;
-
       const roundedLength = _round(length, 1);
 
       return [
         `${roundedLength} ${unit} (S:${seriesNumber}, I:${instanceNumber})`,
       ];
-
-    case types.BIDIRECTIONAL:
+    }
+    case types.BIDIRECTIONAL: {
       const { shortestDiameter, longestDiameter } = measurement;
-
       const roundedShortestDiameter = _round(shortestDiameter, 1);
       const roundedLongestDiameter = _round(longestDiameter, 1);
 
@@ -272,16 +276,19 @@ function _getDisplayText(
         `l: ${roundedLongestDiameter} ${unit} (S:${seriesNumber}, I:${instanceNumber})`,
         `s: ${roundedShortestDiameter} ${unit}`,
       ];
-    case types.ELLIPSE:
+    }
+    case types.ELLIPSE: {
       const { area } = measurement;
-
       const roundedArea = _round(area, 1);
+
       return [
         `${roundedArea} ${unit}2 (S:${seriesNumber}, I:${instanceNumber})`,
       ];
-    case types.POINT:
+    }
+    case types.POINT: {
       const { text } = measurement;
       return [`${text} (S:${seriesNumber}, I:${instanceNumber})`];
+    }
   }
 }
 
diff --git a/modes/longitudinal/src/index.js b/modes/longitudinal/src/index.js
index 2bf100c09..db09204ba 100644
--- a/modes/longitudinal/src/index.js
+++ b/modes/longitudinal/src/index.js
@@ -20,8 +20,8 @@ export default function mode({ modeConfiguration }) {
   return {
     // TODO: We're using this as a route segment
     // We should not be.
-    id: 'longitudinal-workflow',
-    displayName: 'Comparison',
+    id: 'viewer',
+    displayName: 'Basic Viewer',
     validationTags: {
       study: [],
       series: [],
@@ -95,9 +95,7 @@ export default function mode({ modeConfiguration }) {
       'org.ohif.dicom-sr',
     ],
     sopClassHandlers: [ohif.sopClassHandler, dicomsr.sopClassHandler],
-    hotkeys: [
-      ...hotkeys.defaults.hotkeyBindings
-    ]
+    hotkeys: [...hotkeys.defaults.hotkeyBindings],
   };
 }
 
diff --git a/modes/example/.webpack/webpack.dev.js b/modes/segmentation/.webpack/webpack.dev.js
similarity index 100%
rename from modes/example/.webpack/webpack.dev.js
rename to modes/segmentation/.webpack/webpack.dev.js
diff --git a/modes/example/.webpack/webpack.prod.js b/modes/segmentation/.webpack/webpack.prod.js
similarity index 100%
rename from modes/example/.webpack/webpack.prod.js
rename to modes/segmentation/.webpack/webpack.prod.js
diff --git a/modes/example/LICENSE b/modes/segmentation/LICENSE
similarity index 100%
rename from modes/example/LICENSE
rename to modes/segmentation/LICENSE
diff --git a/modes/example/babel.config.js b/modes/segmentation/babel.config.js
similarity index 100%
rename from modes/example/babel.config.js
rename to modes/segmentation/babel.config.js
diff --git a/modes/example/package.json b/modes/segmentation/package.json
similarity index 90%
rename from modes/example/package.json
rename to modes/segmentation/package.json
index e98a3601e..66ba594e8 100644
--- a/modes/example/package.json
+++ b/modes/segmentation/package.json
@@ -1,7 +1,7 @@
 {
-  "name": "@ohif/mode-example",
+  "name": "@ohif/mode-segmentation",
   "version": "0.0.1",
-  "description": "Example mode for OHIF",
+  "description": "Segmentation mode for OHIF",
   "author": "OHIF",
   "license": "MIT",
   "repository": "OHIF/Viewers",
diff --git a/modes/example/src/index.js b/modes/segmentation/src/index.js
similarity index 88%
rename from modes/example/src/index.js
rename to modes/segmentation/src/index.js
index 597f179ca..fc56ce4ed 100644
--- a/modes/example/src/index.js
+++ b/modes/segmentation/src/index.js
@@ -3,8 +3,10 @@ import { hotkeys } from '@ohif/core';
 
 export default function mode({ modeConfiguration }) {
   return {
-    id: 'example-mode',
-    displayName: 'Basic Viewer',
+    // TODO: Mode uses 'id' for route when it should use `slug`, if provided, and
+    // the route path
+    id: 'segmentation',
+    displayName: 'Segmentation',
     validationTags: {
       study: [],
       series: [],
@@ -15,7 +17,7 @@ export default function mode({ modeConfiguration }) {
     },
     routes: [
       {
-        path: 'viewer',
+        path: 'segmentation',
         init: ({ servicesManager, extensionManager }) => {
           const { ToolBarService } = servicesManager.services;
           ToolBarService.init(extensionManager);
@@ -51,7 +53,6 @@ export default function mode({ modeConfiguration }) {
           return {
             id: 'org.ohif.default.layoutTemplateModule.viewerLayout',
             props: {
-              // named slots
               leftPanels: ['org.ohif.default.panelModule.seriesList'],
               rightPanels: ['org.ohif.default.panelModule.measure'],
               viewports: [
@@ -69,10 +70,8 @@ export default function mode({ modeConfiguration }) {
     ],
     extensions: ['org.ohif.default', 'org.ohif.cornerstone'],
     sopClassHandlers: ['org.ohif.default.sopClassHandlerModule.stack'],
-    hotkeys: [
-      ...hotkeys.defaults.hotkeyBindings
-    ]
+    hotkeys: [...hotkeys.defaults.hotkeyBindings],
   };
 }
 
-window.exampleMode = mode({});
+window.segmentationMode = mode({});
diff --git a/modes/example/src/toolbarButtons.js b/modes/segmentation/src/toolbarButtons.js
similarity index 100%
rename from modes/example/src/toolbarButtons.js
rename to modes/segmentation/src/toolbarButtons.js
diff --git a/platform/viewer/src/App.jsx b/platform/viewer/src/App.jsx
index 1cb815d60..1e72bd772 100644
--- a/platform/viewer/src/App.jsx
+++ b/platform/viewer/src/App.jsx
@@ -20,8 +20,8 @@ import createRoutes from './routes';
 import appInit from './appInit.js';
 
 // TODO: Temporarily for testing
-import '@ohif/mode-example';
 import '@ohif/mode-longitudinal';
+import '@ohif/mode-segmentation';
 
 /**
  * ENV Variable to determine routing behavior
@@ -50,7 +50,7 @@ function App({ config, defaultExtensions }) {
     dataSources,
     extensionManager,
     servicesManager,
-    hotkeysManager
+    hotkeysManager,
   });
   const {
     UIDialogService,
diff --git a/platform/viewer/src/appInit.js b/platform/viewer/src/appInit.js
index eb14613ce..3c35dd487 100644
--- a/platform/viewer/src/appInit.js
+++ b/platform/viewer/src/appInit.js
@@ -71,8 +71,8 @@ function appInit(appConfigOrFunc, defaultExtensions) {
 
   // TODO: Remove this
   if (!appConfig.modes.length) {
-    appConfig.modes.push(window.exampleMode);
     appConfig.modes.push(window.longitudinalMode);
+    appConfig.modes.push(window.segmentationMode);
   }
 
   return {
@@ -80,7 +80,7 @@ function appInit(appConfigOrFunc, defaultExtensions) {
     commandsManager,
     extensionManager,
     servicesManager,
-    hotkeysManager
+    hotkeysManager,
   };
 }