Normal whole organ tissue tolerances (adapted from Emami 1991)
Organ | TD 5/5 | TD 50/5 | ||||
Whole | 2/3 | 1/3 | Whole | 2/3 | 1/3 | |
Bladder | 6500 | 8000 | N/A | 8000 | 8500 | N/A |
Brachial plexus | 6000 | 6100 | 6200 | 7500 | 7600 | 7700 |
Brain | 4500 | 5000 | 6000 | 6000 | 6500 | 7500 |
Brainstem | 5000 | 5300 | 6000 | 6500 | – | – |
Cauda equina | 6000 | – | – | 7500 | – | – |
Colon (obstruction,perforation,ulceration) |
4500 | – | 5500 | 5500 | – | 6500 |
Ear (acute serous otitis) |
3000 | 3000 | 3000 | 4000 | 4000 | 4000 |
Ear (chronic serous otitis) |
5500 | 5500 | 5500 | 6500 | 6500 | 6500 |
Esophagus (stricture,perforation) |
5500 | 5800 | 6000 | 6800 | 7000 | 7200 |
Femoral head | 5200 | – | – | 6500 | – | – |
Heart (pericarditis) |
4000 | 4500 | 6000 | 5000 | 5500 | 7000 |
Kidney | 2300 | 3000 | 5000 | 2800 | 4000 | – |
Larynx (necrosis) |
7000 | 7000 | 7900 | 8000 | 8000 | 9000 |
Larynx (edema) |
4500 | 4500 | – | 8000 | – | – |
Lens | 1000 | – | – | 1800 | – | – |
Liver | 3000 | 3500 | 5000 | 4000 | 4500 | 5500 |
Lung | 1750 | 3000 | 4500 | 2450 | 4000 | 6500 |
Optic chiasm | 5000 | – | – | 6500 | – | – |
Optic nerve | 5000 | – | &ndas; | 6500 | – | – |
Parotid gland | 3200 | 3200 | – | 4600 | 4600 | |
Rectum (severe proctitis,necrosis,fistula,stenosis) |
6000 | – | – | 8000 | – | – |
Retina | 4500 | – | – | 6500 | – | – |
Rib cage | – | – | 5000 | – | – | 6500 |
Skin | (100 cm2) 5000 |
(30 cm2) 6000 |
(10 cm2) 7000 |
(100 cm2) 6500 |
– | – |
Spinal cord | (20 cm) 4700 |
(10 cm) 5000 |
(5 cm) 5000 |
– | (10 cm) 7000 |
(5 cm) 7000 |
Small intestine (obstruction,perforation) |
4000 | – | 5000 | 5500 | – | 6000 |
Stomach (ulceration,perforation) |
5000 | 5500 | 6000 | 6500 | 6700 | 7000 |
TMJ mandible | 6000 | 6000 | 6500 | 7200 | 7200 | 7700 |
Thyroid | 4500 | 8000 |