diff --git a/extensions/cornerstone/src/Viewport/Overlays/studyDataForOverlayItem.ts b/extensions/cornerstone/src/Viewport/Overlays/studyDataForOverlayItem.ts
index 71f3b87..e6c90f6 100644
--- a/extensions/cornerstone/src/Viewport/Overlays/studyDataForOverlayItem.ts
+++ b/extensions/cornerstone/src/Viewport/Overlays/studyDataForOverlayItem.ts
@@ -102,8 +102,20 @@ export const studyDataForOverlayItem = (studyInstanceUID: string) => {
       try {
         const qidoRootUrl = getQidoRootUrl();
 
+        // Get the authentication token from session storage
+        const authToken = window.sessionStorage.getItem('ohif-auth-token');
+
+        // Create request headers with Authorization if token exists
+        const headers: HeadersInit = {};
+        if (authToken) {
+          headers['Authorization'] = `Bearer ${authToken}`;
+        }
+
         const response = await fetch(
-          `${qidoRootUrl}/studies?limit=101&offset=0&fuzzymatching=false&includefield=00080050,00081030,00101010,0010004&StudyInstanceUID=${studyInstanceUID}`
+          `${qidoRootUrl}/studies?limit=101&offset=0&fuzzymatching=false&includefield=00080050,00081030,00101010,0010004&StudyInstanceUID=${studyInstanceUID}`,
+          {
+            headers,
+          }
         );
 
         if (!response.ok) {