TABLE I.
List of structures in the new pediatric XCAT phantoms that are obtained using template models, through segmentation, or by using the MC-LDDMM transform.
| Obtained from templates (XCAT adults or segmented cadaver data) | Segmented in the CT data | Predicted with MC-LDDMM |
|---|---|---|
| Top of head (skin) | Body (skin) | Adrenals |
| Top of skull | Bottom of head | Arteries and veins in the body |
| Arms and legs (skin) | Bottom of skull | Muscle, ligaments, and tendons in the body |
| Humerusa | Breasts | Oral Cavity |
| Radius | Thyroid | Tonsils |
| Ulna | Pericardiumb | Tongue |
| Bones in hand and fingers | Lungs | Salivary glands |
| Femura | Liver | Brain and its interior structures |
| Tibia | Gall bladder | Esophagus |
| Fibula | Stomach | Larynx |
| Patella | Spleen | Pharynx |
| Bones in foot and toes | Kidneys | Thymus |
| Intestines | Heart and its interior structuresb | |
| Bladder | Ovaries | |
| Sternum | Fallopian tubes | |
| Ribs | Uterus | |
| Vertebrae | Vagina | |
| Pelvis | Trachea and bronchi | |
| Testes | Ejaculatory ducts | |
| Penis | Epididymis | |
| Sacrum | Seminal vesicles | |
| Scapula | Vas deferens | |
| Clavicle | Ureter | |
| Humerusa | Urethra | |
| Femura | Eyes | |
| Prostate | ||
| Pancreas |
a
Humeri and femurs are partially segmented in the CT data and used to help place the template arm bones.
b
Pericardial surface is segmented to guide the heart transform.