diff --git a/dental-server/dental-client/src/pages/GtosPage.jsx b/dental-server/dental-client/src/pages/GtosPage.jsx
index 242afec..1b65e04 100644
--- a/dental-server/dental-client/src/pages/GtosPage.jsx
+++ b/dental-server/dental-client/src/pages/GtosPage.jsx
@@ -40,12 +40,99 @@ function StatusBadge({ sent, imageCount }) {
 }
 
 /* ── Modal de detalhes/edição de GTO ─────────────────────────── */
-function GtoDetailModal({ isOpen, onClose, gto, onUpdated, onOpenImage }) {
+function GtoDetailModal({ isOpen, onClose, gto, onUpdated }) {
   const { showToast } = useToast();
   const [detail, setDetail]   = useState(null);
   const [loading, setLoading] = useState(false);
   const [marking, setMarking] = useState(false);
 
+  // Estados para Visualização e Edição de Observação da Imagem
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [isEditingRemark, setIsEditingRemark] = useState(false);
+  const [tempRemark, setTempRemark] = useState('');
+  const [savingRemark, setSavingRemark] = useState(false);
+
+  useEffect(() => {
+    if (selectedImage) {
+      setTempRemark(selectedImage.remark || '');
+      setIsEditingRemark(false);
+    }
+  }, [selectedImage]);
+
+  const handleDownload = async (img) => {
+    try {
+      const url = img.filename?.startsWith('http')
+        ? img.filename
+        : `/uploads/${img.filename}`;
+      const response = await fetch(url);
+      const blob = await response.blob();
+
+      const pName = (img.patient_name || 'paciente').trim().replace(/[\/\\:*?"<>|]/g, '').replace(/\s+/g, '_');
+      const obs = (img.remark || '').trim().replace(/[\/\\:*?"<>|]/g, '').replace(/\s+/g, '_');
+
+      const fileName = obs ? `${pName}-${obs}.jpg` : `${pName}.jpg`;
+
+      const a = document.createElement('a');
+      a.href = URL.createObjectURL(blob);
+      a.download = fileName;
+      document.body.appendChild(a);
+      a.click();
+      a.remove();
+      URL.revokeObjectURL(a.href);
+    } catch (err) {
+      showToast('Erro ao baixar imagem', 'error');
+    }
+  };
+
+  const handleCopy = (img) => {
+    const url = img.filename?.startsWith('http')
+      ? img.filename
+      : `/uploads/${img.filename}`;
+    const imageObj = new Image();
+    imageObj.crossOrigin = 'anonymous';
+    imageObj.onload = () => {
+      try {
+        const canvas = document.createElement('canvas');
+        canvas.width = imageObj.naturalWidth;
+        canvas.height = imageObj.naturalHeight;
+        const ctx = canvas.getContext('2d');
+        ctx.drawImage(imageObj, 0, 0);
+        canvas.toBlob(async (blob) => {
+          try {
+            await navigator.clipboard.write([
+              new ClipboardItem({ 'image/png': blob })
+            ]);
+            showToast('Imagem copiada para a área de transferência!', 'success');
+          } catch (err) {
+            showToast('Erro ao copiar imagem para área de transferência.', 'error');
+            console.error(err);
+          }
+        }, 'image/png');
+      } catch (e) {
+        showToast('Erro ao processar imagem para cópia.', 'error');
+        console.error(e);
+      }
+    };
+    imageObj.onerror = () => showToast('Erro ao carregar imagem para cópia.', 'error');
+    imageObj.src = url;
+  };
+
+  const saveImageRemark = async () => {
+    setSavingRemark(true);
+    try {
+      await api.put(`/images/${selectedImage.id}/remark`, { remark: tempRemark });
+      showToast('Observação atualizada com sucesso!', 'success');
+      setSelectedImage(prev => ({ ...prev, remark: tempRemark }));
+      setIsEditingRemark(false);
+      loadDetail();
+      onUpdated?.();
+    } catch (err) {
+      showToast('Erro ao atualizar observação.', 'error');
+    } finally {
+      setSavingRemark(false);
+    }
+  };
+
   useEffect(() => {
     if (isOpen && gto?.id) loadDetail();
   }, [isOpen, gto?.id]);
@@ -144,18 +231,18 @@ function GtoDetailModal({ isOpen, onClose, gto, onUpdated, onOpenImage }) {
                       className="preview-img"
                       style={{ width:'100%', height:90, objectFit:'cover', display:'block', cursor:'pointer' }}
                       label=""
-                      onClick={() => onOpenImage?.(img)}
+                      onClick={() => setSelectedImage(img)}
                     />
                     <div
                       style={{ padding:'4px 6px', fontSize:'0.65rem', color:'var(--text-secondary)', whiteSpace:'nowrap', overflow:'hidden', textOverflow:'ellipsis', cursor:'pointer' }}
-                      onClick={() => onOpenImage?.(img)}
+                      onClick={() => setSelectedImage(img)}
                     >
                       {img.patient_name || img.filename}
                     </div>
                     <button
                       type="button"
                       title="Abrir imagem"
-                      onClick={() => onOpenImage?.(img)}
+                      onClick={() => setSelectedImage(img)}
                       style={{ position:'absolute', top:4, left:4, background:'rgba(59,130,246,0.85)', color:'#fff', border:'none', borderRadius:4, width:22, height:22, cursor:'pointer', fontSize:11, display:'flex', alignItems:'center', justifyContent:'center' }}
                     >👁️</button>
                     <button
@@ -172,6 +259,97 @@ function GtoDetailModal({ isOpen, onClose, gto, onUpdated, onOpenImage }) {
 
         </div>
       ) : null}
+
+      {selectedImage && (
+        <Modal
+          isOpen={!!selectedImage}
+          onClose={() => setSelectedImage(null)}
+          title={selectedImage.patient_name || 'Visualizar Imagem'}
+          large
+        >
+          <div style={{ display: 'flex', flexDirection: 'column', gap: 16, alignItems: 'center' }}>
+            <div style={{ width: '100%', background: '#0b1220', borderRadius: 8, padding: 12, display: 'flex', justifyContent: 'center' }}>
+              <img
+                src={selectedImage.filename?.startsWith('http') ? selectedImage.filename : `/uploads/${selectedImage.filename}`}
+                alt={selectedImage.patient_name}
+                style={{ maxHeight: '60vh', maxWidth: '100%', objectFit: 'contain' }}
+              />
+            </div>
+
+            {/* Seção de observação com edição inline */}
+            <div style={{ width: '100%', padding: '12px 16px', background: 'var(--bg-color)', borderRadius: 8, border: '1px solid var(--border-color)', display: 'flex', flexDirection: 'column', gap: 8 }}>
+              <label style={{ fontSize: '0.9rem', fontWeight: 600, color: 'var(--text-secondary)' }}>📝 Observação da Imagem:</label>
+              {isEditingRemark ? (
+                <div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
+                  <textarea
+                    className="form-control"
+                    rows={2}
+                    value={tempRemark}
+                    onChange={(e) => setTempRemark(e.target.value)}
+                    placeholder="Adicione uma observação para esta imagem..."
+                    style={{ resize: 'vertical', width: '100%', fontSize: '0.9rem' }}
+                  />
+                  <div style={{ display: 'flex', gap: 8, justifyContent: 'flex-end' }}>
+                    <button
+                      type="button"
+                      className="btn btn-secondary btn-small"
+                      onClick={() => setIsEditingRemark(false)}
+                      style={{ padding: '6px 12px', fontSize: '0.8rem' }}
+                    >
+                      Cancelar
+                    </button>
+                    <button
+                      type="button"
+                      className="btn btn-primary"
+                      onClick={saveImageRemark}
+                      disabled={savingRemark}
+                      style={{ padding: '6px 16px', fontSize: '0.8rem' }}
+                    >
+                      {savingRemark ? 'Salvando...' : 'Salvar'}
+                    </button>
+                  </div>
+                </div>
+              ) : (
+                <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 12 }}>
+                  <div style={{ fontSize: '0.95rem', color: selectedImage.remark ? 'var(--text-primary)' : 'var(--text-muted)', fontStyle: selectedImage.remark ? 'normal' : 'italic' }}>
+                    {selectedImage.remark || 'Nenhuma observação adicionada.'}
+                  </div>
+                  <button
+                    type="button"
+                    className="btn btn-secondary btn-small"
+                    onClick={() => {
+                      setTempRemark(selectedImage.remark || '');
+                      setIsEditingRemark(true);
+                    }}
+                    style={{ padding: '4px 10px', fontSize: '0.8rem', flexShrink: 0 }}
+                  >
+                    ✏️ Editar
+                  </button>
+                </div>
+              )}
+            </div>
+
+            <div style={{ display: 'flex', gap: 12, width: '100%' }}>
+              <button
+                type="button"
+                className="btn btn-primary"
+                onClick={() => handleDownload(selectedImage)}
+                style={{ flex: 1, height: 46, fontSize: '0.95rem', fontWeight: 600, display: 'flex', alignItems: 'center', justifyContent: 'center', gap: 8 }}
+              >
+                💾 Baixar
+              </button>
+              <button
+                type="button"
+                className="btn btn-secondary"
+                onClick={() => handleCopy(selectedImage)}
+                style={{ flex: 1, height: 46, fontSize: '0.95rem', fontWeight: 600, display: 'flex', alignItems: 'center', justifyContent: 'center', gap: 8 }}
+              >
+                📋 Copiar para Área de Transferência
+              </button>
+            </div>
+          </div>
+        </Modal>
+      )}
     </Modal>
   );
 }
@@ -259,66 +437,6 @@ export default function GtosPage() {
   const [showSync,     setShowSync]     = useState(false);
   const [syncTab,      setSyncTab]      = useState('devices');
   const [showNewPatient, setShowNewPatient] = useState(false);
-  const [selectedImage, setSelectedImage] = useState(null);
-
-  const handleDownload = async (img) => {
-    try {
-      const url = img.filename?.startsWith('http')
-        ? img.filename
-        : `/uploads/${img.filename}`;
-      const response = await fetch(url);
-      const blob = await response.blob();
-      
-      // Sanitizar nome do paciente e observação
-      const pName = (img.patient_name || 'paciente').trim().replace(/[\/\\:*?"<>|]/g, '').replace(/\s+/g, '_');
-      const obs = (img.remark || '').trim().replace(/[\/\\:*?"<>|]/g, '').replace(/\s+/g, '_');
-      
-      const fileName = obs ? `${pName}-${obs}.jpg` : `${pName}.jpg`;
-      
-      const a = document.createElement('a');
-      a.href = URL.createObjectURL(blob);
-      a.download = fileName;
-      document.body.appendChild(a);
-      a.click();
-      a.remove();
-      URL.revokeObjectURL(a.href);
-    } catch (err) {
-      showToast('Erro ao baixar imagem', 'error');
-    }
-  };
-
-  const handleCopy = (img) => {
-    const url = img.filename?.startsWith('http')
-      ? img.filename
-      : `/uploads/${img.filename}`;
-    const imageObj = new Image();
-    imageObj.crossOrigin = 'anonymous';
-    imageObj.onload = () => {
-      try {
-        const canvas = document.createElement('canvas');
-        canvas.width = imageObj.naturalWidth;
-        canvas.height = imageObj.naturalHeight;
-        const ctx = canvas.getContext('2d');
-        ctx.drawImage(imageObj, 0, 0);
-        canvas.toBlob(async (blob) => {
-          try {
-            await navigator.clipboard.write([
-              new ClipboardItem({ 'image/png': blob })
-            ]);
-            showToast('Imagem copiada para a área de transferência!', 'success');
-          } catch (err) {
-            showToast('Erro ao copiar imagem para área de transferência.', 'error');
-            console.error(err);
-          }
-        }, 'image/png');
-      } catch (e) {
-        showToast('Erro ao processar imagem para cópia.', 'error');
-        console.error(e);
-      }
-    };
-    imageObj.onerror = () => showToast('Erro ao carregar imagem para cópia.', 'error');
-    imageObj.src = url;
-  };
 
   const searchTimerRef = useRef(null);
 
@@ -631,53 +749,12 @@ export default function GtosPage() {
 
       {/* Modals */}
       <CreateGtoModal isOpen={showCreate} onClose={() => setShowCreate(false)} onCreated={reload} />
-      <GtoDetailModal isOpen={!!detailGto} gto={detailGto} onClose={() => setDetailGto(null)} onUpdated={reload} onOpenImage={(img) => setSelectedImage(img)} />
+      <GtoDetailModal isOpen={!!detailGto} gto={detailGto} onClose={() => setDetailGto(null)} onUpdated={reload} />
       <CreatePatientModal isOpen={showNewPatient} onClose={() => setShowNewPatient(false)} />
       <SettingsModal isOpen={showSettings} onClose={() => setShowSettings(false)} />
       <UserManagementModal isOpen={showUsers} onClose={() => setShowUsers(false)} />
       <PluginsModal isOpen={showPlugins} onClose={() => setShowPlugins(false)} />
       <SyncModal isOpen={showSync} onClose={() => setShowSync(false)} defaultTab={syncTab} />
-      {selectedImage && (
-        <Modal
-          isOpen={!!selectedImage}
-          onClose={() => setSelectedImage(null)}
-          title={selectedImage.patient_name || 'Visualizar Imagem'}
-          large
-        >
-          <div style={{ display: 'flex', flexDirection: 'column', gap: 16, alignItems: 'center' }}>
-            <div style={{ width: '100%', background: '#0b1220', borderRadius: 8, padding: 12, display: 'flex', justifyContent: 'center' }}>
-              <img
-                src={selectedImage.filename?.startsWith('http') ? selectedImage.filename : `/uploads/${selectedImage.filename}`}
-                alt={selectedImage.patient_name}
-                style={{ maxHeight: '60vh', maxWidth: '100%', objectFit: 'contain' }}
-              />
-            </div>
-            {selectedImage.remark && (
-              <div style={{ width: '100%', padding: '10px 14px', background: 'var(--bg-color)', borderRadius: 8, fontSize: '0.95rem' }}>
-                <strong>📝 Observação:</strong> {selectedImage.remark}
-              </div>
-            )}
-            <div style={{ display: 'flex', gap: 12, width: '100%' }}>
-              <button
-                type="button"
-                className="btn btn-primary"
-                onClick={() => handleDownload(selectedImage)}
-                style={{ flex: 1, height: 46, fontSize: '0.95rem', fontWeight: 600, display: 'flex', alignItems: 'center', justifyContent: 'center', gap: 8 }}
-              >
-                💾 Baixar
-              </button>
-              <button
-                type="button"
-                className="btn btn-secondary"
-                onClick={() => handleCopy(selectedImage)}
-                style={{ flex: 1, height: 46, fontSize: '0.95rem', fontWeight: 600, display: 'flex', alignItems: 'center', justifyContent: 'center', gap: 8 }}
-              >
-                📋 Copiar para Área de Transferência
-              </button>
-            </div>
-          </div>
-        </Modal>
-      )}
     </>
   );
 }
diff --git a/dental-server/routes/images.js b/dental-server/routes/images.js
index 02ecb93..04ab0d7 100644
--- a/dental-server/routes/images.js
+++ b/dental-server/routes/images.js
@@ -433,6 +433,22 @@ router.post('/:id/transform', async (req, res) => {
   }
 });
 
+// ================================================================
+// PUT /api/images/:id/remark - Atualizar observação da imagem
+// ================================================================
+router.put('/:id/remark', async (req, res) => {
+  try {
+    const { remark } = req.body;
+    await db.run(
+      'UPDATE images SET remark = $1 WHERE id = $2',
+      [remark, req.params.id]
+    );
+    res.json({ success: true, message: 'Observação da imagem atualizada!' });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
 // ================================================================
 // PUT /api/images/:id/patient-info - Atualizar dados do paciente
 // ================================================================