From 3c4c8c26f9cbe732c953a212d9cf130a1852814f Mon Sep 17 00:00:00 2001
From: Erik Ziegler <erik.sweed@gmail.com>
Date: Wed, 25 Apr 2018 23:09:44 +0200
Subject: [PATCH] fix(lesion-tracker): Stop trying to load study with
 non-existent studyInstanceUid

---
 .../longitudinalViewportOverlay.js                           | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Packages/ohif-lesiontracker/client/components/longitudinal/longitudinalViewportOverlay/longitudinalViewportOverlay.js b/Packages/ohif-lesiontracker/client/components/longitudinal/longitudinalViewportOverlay/longitudinalViewportOverlay.js
index e3a0dab44..2d7c3c3a3 100644
--- a/Packages/ohif-lesiontracker/client/components/longitudinal/longitudinalViewportOverlay/longitudinalViewportOverlay.js
+++ b/Packages/ohif-lesiontracker/client/components/longitudinal/longitudinalViewportOverlay/longitudinalViewportOverlay.js
@@ -35,6 +35,11 @@ Template[defaultTemplate].onRendered(() => {
         if (computation.firstRun) return;
         computation.stop();
         const imageIndex = instance.getImageIndex();
+
+        if (!studyInstanceUid || !seriesInstanceUid) {
+          return;
+        }
+
         OHIF.studies.loadStudy(studyInstanceUid).then(studyMetadata => {
             const seriesMetadata = studyMetadata.getSeriesByUID(seriesInstanceUid);
             const instanceMetadata = seriesMetadata.getInstanceByIndex(imageIndex);