diff --git a/src/common/DICOMExporter.cpp b/src/common/DICOMExporter.cpp
index 42b3afa..cde631d 100644
--- a/src/common/DICOMExporter.cpp
+++ b/src/common/DICOMExporter.cpp
@@ -26,7 +26,6 @@ namespace  {
                                         UID_CTImageStorage);
         aDataset->putAndInsertString(DCM_SOPClassUID, UID_CTImageStorage);
 
-        aDataset->putAndInsertString(DCM_Modality, "CT");
         aDataset->putAndInsertString(DCM_TransferSyntaxUID,
                                         UID_LittleEndianImplicitTransferSyntax);
         aDataset->putAndInsertString(DCM_ImageType, "ORIGINAL\\PRIMARY");
@@ -94,6 +93,7 @@ namespace Recon
             mStudyInstanceUID = aPatientData.getStudyUID();
         }
         std::string measurementID = aMetaData.getMeasurementID();
+        
         unsigned long dateIndex = measurementID.find('_');
         unsigned long timeIndex = measurementID.find('T');
         OFDateTime currentDateTime;
@@ -178,12 +178,15 @@ namespace Recon
 
         ::initialSeriesTime(dataset, mStudyTime);
 
+        dataset->putAndInsertString(DCM_Modality, mPatientData.getModality().empty()?
+            "CT":mPatientData.getModality().data());
+
         dataset->putAndInsertString(DCM_InstitutionName, mPatientData.getInstituationName().empty()?
-            "InstName":mPatientData.getInstituationName().data());
+            "":mPatientData.getInstituationName().data());
         dataset->putAndInsertString(DCM_InstitutionAddress, mPatientData.getInstituationAddress().empty()?
-            "default addr":mPatientData.getInstituationAddress().data());
+            "":mPatientData.getInstituationAddress().data());
         dataset->putAndInsertString(DCM_ReferringPhysicianName,mPatientData.getReferringPhysicianName().empty()?
-            "ReferringPhysician": mPatientData.getOperatorName().data());
+            "": mPatientData.getReferringPhysicianName().data());
         dataset->putAndInsertString(DCM_PatientName,  mPatientData.getPatientName().empty()?
             "TestPatient":mPatientData.getPatientName().data());
         dataset->putAndInsertString(DCM_PatientSex, mPatientData.getPatientSex().data());