An issue that has been overlooked in medical literature concerns the prevalence and topographic relationships of the middle thyroid vein (MTV), which have been studied, with a prospective approach, in patients with various thyroid diseases.MTV prevalence has been investigated in 394 consecutive lobes and a number of different variables (age, gender, thyroid pathology, gland weight) have been considered. Moreover, in cooperation with our Human Morphology Department, we brought to completion a dedicated anatomy report, with the clear objective of providing a detailed anatomic description of MTV.The prevalence of MTV was 38\% of the dissected lobes and 62\% of operated patients. Most veins arise from the mid region of the thyroid lobe (80\%): B, 3, and 2 positions in accordance with our scheme. As far as thyroid pathology is concerned, we found that the presence of MTV was more frequent in hyperthyroidism and large goiters (p < 0.05).A better understanding of the anatomic variability in MTV may be useful not only to minimize the risk of bleeding, but it also can help to perform a more accurate dissection with the goal of preserving the laryngeal nerves and parathyroid glands, especially because of its location and relationships with other adjacent structures.

The middle thyroid vein: anatomical and surgical aspects

DIONIGI, GIANLORENZO;CONGIU, TERENZIO;ROVERA, FRANCESCA ANGELA;BONI, LUIGI
2010-01-01

Abstract

An issue that has been overlooked in medical literature concerns the prevalence and topographic relationships of the middle thyroid vein (MTV), which have been studied, with a prospective approach, in patients with various thyroid diseases.MTV prevalence has been investigated in 394 consecutive lobes and a number of different variables (age, gender, thyroid pathology, gland weight) have been considered. Moreover, in cooperation with our Human Morphology Department, we brought to completion a dedicated anatomy report, with the clear objective of providing a detailed anatomic description of MTV.The prevalence of MTV was 38\% of the dissected lobes and 62\% of operated patients. Most veins arise from the mid region of the thyroid lobe (80\%): B, 3, and 2 positions in accordance with our scheme. As far as thyroid pathology is concerned, we found that the presence of MTV was more frequent in hyperthyroidism and large goiters (p < 0.05).A better understanding of the anatomic variability in MTV may be useful not only to minimize the risk of bleeding, but it also can help to perform a more accurate dissection with the goal of preserving the laryngeal nerves and parathyroid glands, especially because of its location and relationships with other adjacent structures.
http://dx.doi.org/10.1007/s00268-009-0350-6
Adult, Aged, Aged; 80 and over, Female, Humans, Male, Middle Aged, Prospective Studies, Thyroid Gland; blood supply/surgery, Thyroidectomy, Veins; anatomy /&/ histology, Young Adult
Dionigi, Gianlorenzo; Congiu, Terenzio; Rovera, FRANCESCA ANGELA; Boni, Luigi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11383/1746342
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