diff --git a/src/views/dicom-show/dicom-study.vue b/src/views/dicom-show/dicom-study.vue
index 7507f1ee..68c31dbc 100644
--- a/src/views/dicom-show/dicom-study.vue
+++ b/src/views/dicom-show/dicom-study.vue
@@ -156,6 +156,7 @@ import { changeURLStatic } from '@/utils/history.js'
 cornerstoneWADOImageLoader.external.dicomParser = dicomParser
 cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 const maximumSizeInBytes = 1024 * 1024 * 1024 * 6
+cornerstone.imageCache.setMaximumSizeBytes(maximumSizeInBytes)
 export default {
   components: {
     'dicom-viewer': dicomViewer
@@ -658,7 +659,7 @@ export default {
         const seriesIndex = params.seriesIndex
         var prefetchInstanceCount = this.seriesList[seriesIndex].prefetchInstanceCount
         var instanceCount = this.seriesList[seriesIndex].instanceCount
-        if (this.seriesList[seriesIndex].imageloadedArr.indexOf(imageId) < 0) {
+        if (this.seriesList[seriesIndex].imageloadedArr.indexOf(imageId) < 0 && this.seriesList[seriesIndex].imageloadedArr.length < this.seriesList[seriesIndex].instanceCount) {
           const i = this.currentLoadIns.findIndex(i => i.imageId === imageId)
           if (i > -1) {
             prefetchInstanceCount = prefetchInstanceCount - this.currentLoadIns[i].percentComplete + percentComplete
diff --git a/src/views/dicom-show/dicom-visit.vue b/src/views/dicom-show/dicom-visit.vue
index ebf8a3c4..05b0a943 100644
--- a/src/views/dicom-show/dicom-visit.vue
+++ b/src/views/dicom-show/dicom-visit.vue
@@ -275,6 +275,7 @@ import { changeURLStatic } from '@/utils/history.js'
 cornerstoneWADOImageLoader.external.dicomParser = dicomParser
 cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 const maximumSizeInBytes = 1024 * 1024 * 1024 * 6
+cornerstone.imageCache.setMaximumSizeBytes(maximumSizeInBytes)
 export default {
   name: 'DicomsOfVisit',
   components: {
@@ -690,7 +691,7 @@ export default {
         const seriesIndex = params.idx.split('|')[1]
         var prefetchInstanceCount = this.studyList[studyIndex].SeriesList[seriesIndex].prefetchInstanceCount
         var instanceCount = this.studyList[studyIndex].SeriesList[seriesIndex].instanceCount
-        if (this.studyList[studyIndex].SeriesList[seriesIndex].imageloadedArr.indexOf(imageId) < 0) {
+        if (this.studyList[studyIndex].SeriesList[seriesIndex].imageloadedArr.indexOf(imageId) < 0 && this.studyList[studyIndex].SeriesList[seriesIndex].imageloadedArr.length < this.studyList[studyIndex].SeriesList[seriesIndex].instanceCount) {
           const i = this.currentLoadIns.findIndex(i => i.imageId === imageId)
           if (i > -1) {
             prefetchInstanceCount = prefetchInstanceCount - this.currentLoadIns[i].percentComplete + percentComplete