diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomInstanceModel.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomInstanceModel.cs
index a7accd3a0..eb6eaad55 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomInstanceModel.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomInstanceModel.cs
@@ -30,6 +30,8 @@ namespace IRaCIS.Core.Application.Contracts
         public bool IsDeleted { get; set; }
         public bool IsReading { get; set; } = true;
 
+        public string SliceThickness { get; set; } = String.Empty;
+
         public string ImageResizePath { get; set; }
 
     }
diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/_MapConfig.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/_MapConfig.cs
index 5fb7e3610..76109724a 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/_MapConfig.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/_MapConfig.cs
@@ -81,6 +81,7 @@ namespace IRaCIS.Core.Application.Service
 
             CreateMap<DicomInstance, DicomInstanceDTO>()
                  .ForMember(o => o.IsDeleted, t => t.MapFrom(u => u.DicomSerie.IsDeleted))
+                 .ForMember(o => o.SliceThickness, t => t.MapFrom(u => u.DicomSerie.SliceThickness))
                   .ForMember(o => o.IsReading, t => t.MapFrom(u => u.DicomSerie.IsReading));
             CreateMap<DicomStudy, DicomStudyDTO>();
             CreateMap<DicomSeries, DicomSeriesDTO>();