diff --git a/atlas/templates/atlas/partials/case_resources_list.html b/atlas/templates/atlas/partials/case_resources_list.html
index 7a8ed3af..e6197592 100644
--- a/atlas/templates/atlas/partials/case_resources_list.html
+++ b/atlas/templates/atlas/partials/case_resources_list.html
@@ -12,10 +12,11 @@
             {% endif %}
           </div>
           {% if can_edit %}
-          <div>
-            <button type="button" class="btn btn-sm btn-outline-danger" hx-post="{% url 'atlas:case_detach_resource' pk=case.pk %}" hx-vals='{"resource_id": "{{ cr.resource.pk }}"}' hx-swap="outerHTML" hx-target="#case-resources-list">Remove</button>
-          </div>
-            {% endif %}
+            <div class="d-flex gap-2">
+              <button type="button" class="btn btn-sm btn-outline-secondary" title="Toggle pre/post" hx-post="{% url 'atlas:case_toggle_resource_pre' pk=case.pk %}" hx-vals='{"resource_id": "{{ cr.resource.pk }}"}' hx-swap="outerHTML" hx-target="#case-resources-list">Toggle</button>
+              <button type="button" class="btn btn-sm btn-outline-danger" hx-post="{% url 'atlas:case_detach_resource' pk=case.pk %}" hx-vals='{"resource_id": "{{ cr.resource.pk }}"}' hx-swap="outerHTML" hx-target="#case-resources-list">Remove</button>
+            </div>
+          {% endif %}
         </li>
       {% endfor %}
     </ul>
diff --git a/atlas/urls.py b/atlas/urls.py
index 54fa261c..ee8907f0 100755
--- a/atlas/urls.py
+++ b/atlas/urls.py
@@ -183,6 +183,7 @@ urlpatterns = [
     # HTMX endpoints for attaching/detaching resources to a case
     path("case/<int:pk>/attach-resource/", views.case_attach_resource, name="case_attach_resource"),
     path("case/<int:pk>/detach-resource/", views.case_detach_resource, name="case_detach_resource"),
+    path("case/<int:pk>/toggle-resource-pre/", views.case_toggle_resource_pre, name="case_toggle_resource_pre"),
     # Backwards-compatible redirect from legacy case_id-style URLs
     path(
         "collection/<int:exam_id>/case/id/<int:case_id>/details",
diff --git a/atlas/views.py b/atlas/views.py
index bf60b5c9..5abd3eaa 100755
--- a/atlas/views.py
+++ b/atlas/views.py
@@ -4022,7 +4022,6 @@ def resource_search_widget(request):
 
     Returns rendered partial `atlas/partials/resource_search_widget_results.html`.
     """
-    from .models import Resource
 
     q = request.GET.get("q", "").strip()
     site = request.GET.get("site")
@@ -4073,7 +4072,6 @@ def case_attach_resource(request, pk):
 
     resource_id = request.POST.get("resource_id")
     pre_review = request.POST.get("pre_review", "0") == "1"
-    from .models import Resource, CaseResource
     try:
         resource = Resource.objects.get(pk=int(resource_id))
     except Exception:
@@ -4104,7 +4102,6 @@ def case_detach_resource(request, pk):
     if not case.check_user_can_edit(request.user):
         return HttpResponse(status=403)
     resource_id = request.POST.get("resource_id")
-    from .models import CaseResource
     try:
         cr = CaseResource.objects.filter(case=case, resource__id=int(resource_id))
         cr.delete()
@@ -4121,6 +4118,40 @@ def case_detach_resource(request, pk):
     return resp
 
 
+@login_required
+@require_POST
+def case_toggle_resource_pre(request, pk):
+    """Toggle the pre_review flag on a CaseResource (HTMX POST).
+
+    POST params:
+    - resource_id: integer
+
+    Returns the updated `atlas/partials/case_resources_list.html` fragment.
+    """
+    case = get_case_for_case_detail(pk)
+    if not case.check_user_can_edit(request.user):
+        return HttpResponse(status=403)
+
+    resource_id = request.POST.get("resource_id")
+    try:
+        cr = CaseResource.objects.get(case=case, resource__id=int(resource_id))
+    except Exception:
+        return HttpResponse(status=400)
+
+    cr.pre_review = not bool(cr.pre_review)
+    cr.save()
+
+    # Refresh case from DB to ensure related sets reflect changes and render updated list
+    try:
+        case = Case.objects.get(pk=case.pk)
+    except Exception:
+        pass
+    html = render_to_string("atlas/partials/case_resources_list.html", {"case": case}, request=request)
+    resp = HttpResponse(html)
+    resp["HX-Trigger"] = json.dumps({"caseResourcesChanged": {"case_id": case.pk}})
+    return resp
+
+
 def series_dicom_json(request, pk):
     series = get_object_or_404(Series, pk=pk)