Ultrasonography estimated thyroid volume: a prospective study about its reliability
| Autor: | David Galleri, Marco Massi, Michele Minuto, Paolo Miccoli, Cinzia Orlandini, Piero Berti |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2006 |
| Předmět: |
Adult
Male endocrine system medicine.medical_specialty Goiter endocrine system diseases Adolescent Endocrinology Diabetes and Metabolism medicine.medical_treatment Population Thyroid Gland Cohort Studies Endocrinology medicine Humans Prospective Studies Thyroid Nodule education Prospective cohort study Child Aged Ultrasonography education.field_of_study business.industry Ultrasound Thyroid Thyroidectomy Reproducibility of Results Middle Aged medicine.disease Surgery medicine.anatomical_structure Volume (thermodynamics) Female business Nuclear medicine Algorithms Cohort study |
| Popis: | Ultrasonography is supposed to provide a reliable preoperative estimate of thyroid volume. This prospective study compares the estimated thyroid volume (EV) to real volume (MV), obtained by measuring the excised gland after surgery. One hundred one patients undergoing total thyroidectomy were selected for the study. Indications for surgery were: multinodular goiter, diffuse toxic goiter (DTG), uninodular disease. In all cases, ultrasound was repeated 1 month after surgery to verify complete thyroid removal. EV was underestimated in 89 cases; it perfectly matched the MV in 5 and was overestimated in 7. Mean EV was 28.3 mL (range, 7-50) and mean MV 36.2 mL (range, 7-76); this difference was statistically significant (p0.0001). Patients were then divided in groups according to EV (orthan 25 mL) and thyroid morphology. Highly significant differences were found between all groups (p0.0001) except the DTG population, where the difference was less significant (p0.042). The study demonstrates that a correct preoperative measurement of the thyroid gland is not achievable because the volume estimated by ultrasound is largely underestimated in comparison to the real volume of the excised gland. Nevertheless ultrasound is more reliable in DTG than in other thyroid diseases. Increasing the number of cases may help to verify a new mathematical model. |
| Databáze: | OpenAIRE |
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