diff --git a/Packages/viewerbase/lib/createStacks.js b/Packages/viewerbase/lib/createStacks.js
index bf18eede1..f50fa7e47 100644
--- a/Packages/viewerbase/lib/createStacks.js
+++ b/Packages/viewerbase/lib/createStacks.js
@@ -22,9 +22,9 @@ createStacks = function(study) {
         }
 
         // Don't display thumbnails for non-image modalities
-        // All imaging modalities must have a valid value for sopClassUid
+        // All imaging modalities must have a valid value for sopClassUid or rows
         var anInstance = series.instances[0];
-        if (!anInstance || !isImage(anInstance.sopClassUid)) {
+        if (!anInstance || (!isImage(anInstance.sopClassUid) && !anInstance.rows)) {
             return;
         }
 
diff --git a/Packages/viewerbase/lib/windowManager.js b/Packages/viewerbase/lib/windowManager.js
index e9a8f56f9..e8b7fd429 100644
--- a/Packages/viewerbase/lib/windowManager.js
+++ b/Packages/viewerbase/lib/windowManager.js
@@ -533,9 +533,9 @@ function defaultHangingProtocol(inputData) {
         study.seriesList.forEach(function(series) {
             
             // Ensure that the series has image data
-            // (All images have sopClassUid)
+            // (All images have sopClassUid or rows)
             var anInstance = series.instances[0];
-            if (!anInstance || !isImage(anInstance.sopClassUid)) {
+            if (!anInstance || (!isImage(anInstance.sopClassUid) && !anInstance.rows)) {
                 return;
             }