Chest to hip anatomy on CT

CT segmentation with MRSegmentator outlines 40 structures between the chest and the hips, among them the liver, kidneys, bowel, heart, lungs, aorta, spine, femurs, and gluteus muscles. CT and MRI share one list of structures, so a study can set CT and MRI cohorts side by side and compare the same structure across both. On PET or SPECT, the same outlines read uptake in the organs, the spine, and the surrounding muscles.

Find answers to research questions like: Do CT and MRI give the same volume for the same structure in the same people? Do differences between them need correcting before cohorts are pooled? How does uptake in the abdominal organs differ between groups?

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Axial slice of neck to thigh CT, outlined: Spleen, Gallbladder, Liver, Stomach, Pancreas, Right adrenal gland, Left adrenal gland, Aorta, Inferior vena cava, Portal vein and splenic vein, and 4 more — Axial

Sagittal slice of neck to thigh CT, outlined: Spleen, Liver, Stomach, Pancreas, Left adrenal gland, Left lung, Heart, Portal vein and splenic vein, Left iliac artery, Left iliac vena, and 10 more — Sagittal

Coronal slice of neck to thigh CT, outlined: Spleen, Right kidney, Left kidney, Liver, Stomach, Pancreas, Right adrenal gland, Left adrenal gland, Left lung, Right lung, and 25 more — Coronal

Found in this example

Spleen
Right kidney
Left kidney
Gallbladder
Liver
Stomach
Pancreas
Right adrenal gland
Left adrenal gland
Left lung
Right lung
Heart
Aorta
Inferior vena cava
Portal vein and splenic vein
Left iliac artery
Right iliac artery
Left iliac vena
Right iliac vena
Esophagus
Small bowel
Duodenum
Colon
Urinary bladder
Spine
Sacrum
Left hip
Right hip
Left femur
Right femur
Left autochthonous muscle
Right autochthonous muscle
Left iliopsoas muscle
Right iliopsoas muscle
Left gluteus maximus
Right gluteus maximus
Left gluteus medius
Right gluteus medius
Left gluteus minimus
Right gluteus minimus

Example scan: neck to thigh CT, TotalSegmentator dataset