Glaser and Styne classified goiter based on physical measurements of the thyroid gland. The authors are from the University of California at Davis.
Parameters:
(1) thyroid weight
(2) age of the patient
|
Age 1 to 9 years |
Age 10 to 14 years |
Age >= 15 years |
Classification of Goiter |
|
<= 5 grams |
<= 10 grams |
<= 15 grams |
none or minimal |
|
5.1 to 10 grams |
10.1 to 15 grams |
15.1 to 25 grams |
small |
|
10.1 to 15 grams |
15.1 to 25 grams |
25.1 to 40 grams |
moderate |
|
> 15 grams |
> 25 grams |
> 40 grams |
large |
where:
• The weight of a thyroid gland can be estimated from its volume and density, with weight = (volume) * (density). The density of the thyroid gland appears to be 1 g/mL.
|
Classification of Goiter |
Relative Size |
|
none or minimal |
1 times normal |
|
small |
1.1 to 1.49 times normal |
|
moderate |
1.5 to 2.5 times normal |
|
large |
> 2.5 times normal |
The thyroid could also be classified based on the longest lobe diameter in centimeters.
|
Age 1 to 9 years |
Age 10 to 14 years |
Age >= 15 years |
Classification of Goiter |
|
<= 3 cm |
<= 3.5 cm |
<= 4 cm |
none or minimal |
|
3.01 to 4 cm |
3.51 to 4.5 cm |
4.01 to 5 cm |
small |
|
4.01 to 5 cm |
4.51 to 5.5 cm |
5.01 to 6 cm |
moderate |
|
> 5 cm |
> 5.5 cm |
> 6 cm |
large |
Specialty: Endocrinology, Clinical Laboratory
ICD-10: ,
