Thymic Hyperplasia
Normal Thymic Weights
Approximate mean weights| Birth | 10 gm |
| 12 months | 20 gm |
| 7-25 years | 25-35 gm |
| 40-60 years | 15 gm |
- Because of wide variations in normal subjects, maximum weights are difficult to define
- Occasional normal thymuses will weigh as much as 50 gm, between birth and age 30 years
- Occasional normal thymuses will weigh as much as 30 gm, between ages 30-60 years
