Prevalence and implications of thyroid related embryological remnants : A prospective study of 1118 total thyroidectomies
Copyright: © Journal of Family Medicine and Primary Care..
CONTEXT: Modern thyroid surgery has undergone a paradigm shift from subtotal thyroidectomy to an extended total thyroidectomy (TT) even for benign disorders. This entails removal of all embryological remnants even in benign disorders.
AIMS: To study the prevalence of various embryological remnants of the thyroid and surgical utility and implications in preventing complications.
SETTINGS AND DESIGN: Retrospective study of total thyroidectomies done by a single endocrine surgeon by standardized technique.
METHODS AND MATERIAL: A detailed search of all embryological rests including Pyramidal tract (PT), Tubercle of Zuckerkandl (TZ), and Thyro-thymic thyroid rests (TTR) were done in 1118 patients undergoing TT over 6 years. The cases with and without TTR were divided as Group A and B, respectively. Their prevalence and impact on parathyroid preservation and other clinical parameters were analysed.
STATISTICAL ANALYSIS USED: Descriptive analyses.
RESULTS: Out of the 1118 TT cases, TTR was seen in 230 (20.57%) cases, TZ in 598 (53.48%), cases and PT in 641 (57.33%) cases. Among group-A (n = 230), 213 had unilateral and 17 had bilateral TTR with 51 (22.17%) having retrosternal extension. Compressive symptoms, presence of TZ and PT were also significantly higher in group A. On follow up the incidence of temporary hypoparathyroidism was significantly higher in group-A, where as permanent hypoparathyroidism, temporary and permanent vocal cord palsy were comparable between the two study groups.
CONCLUSIONS: Embryological remnants related to thyroid are not uncommonly encountered during total thyroidectomy. A thorough search and complete removal is crucial for the successful outcome of the procedure.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
Journal of family medicine and primary care - 9(2020), 2 vom: 04. Feb., Seite 632-636 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sadacharan, Dhalapathy [VerfasserIn] |
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| Links: |
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| Themen: |
Embryological remnants |
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| Anmerkungen: |
Date Revised 14.04.2022 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.4103/jfmpc.jfmpc_1141_19 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM30902806X |
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| 100 | 1 | |a Sadacharan, Dhalapathy |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Prevalence and implications of thyroid related embryological remnants |b A prospective study of 1118 total thyroidectomies |
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| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright: © Journal of Family Medicine and Primary Care. | ||
| 520 | |a CONTEXT: Modern thyroid surgery has undergone a paradigm shift from subtotal thyroidectomy to an extended total thyroidectomy (TT) even for benign disorders. This entails removal of all embryological remnants even in benign disorders | ||
| 520 | |a AIMS: To study the prevalence of various embryological remnants of the thyroid and surgical utility and implications in preventing complications | ||
| 520 | |a SETTINGS AND DESIGN: Retrospective study of total thyroidectomies done by a single endocrine surgeon by standardized technique | ||
| 520 | |a METHODS AND MATERIAL: A detailed search of all embryological rests including Pyramidal tract (PT), Tubercle of Zuckerkandl (TZ), and Thyro-thymic thyroid rests (TTR) were done in 1118 patients undergoing TT over 6 years. The cases with and without TTR were divided as Group A and B, respectively. Their prevalence and impact on parathyroid preservation and other clinical parameters were analysed | ||
| 520 | |a STATISTICAL ANALYSIS USED: Descriptive analyses | ||
| 520 | |a RESULTS: Out of the 1118 TT cases, TTR was seen in 230 (20.57%) cases, TZ in 598 (53.48%), cases and PT in 641 (57.33%) cases. Among group-A (n = 230), 213 had unilateral and 17 had bilateral TTR with 51 (22.17%) having retrosternal extension. Compressive symptoms, presence of TZ and PT were also significantly higher in group A. On follow up the incidence of temporary hypoparathyroidism was significantly higher in group-A, where as permanent hypoparathyroidism, temporary and permanent vocal cord palsy were comparable between the two study groups | ||
| 520 | |a CONCLUSIONS: Embryological remnants related to thyroid are not uncommonly encountered during total thyroidectomy. A thorough search and complete removal is crucial for the successful outcome of the procedure | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Embryological remnants | |
| 650 | 4 | |a hypocalcemia | |
| 650 | 4 | |a thyrothymic thyroid rests | |
| 650 | 4 | |a total thyroidectomy | |
| 700 | 1 | |a Mahadevan, Shriraam |e verfasserin |4 aut | |
| 700 | 1 | |a Sathya, Anjali |e verfasserin |4 aut | |
| 700 | 1 | |a Gopal, Jayashree |e verfasserin |4 aut | |
| 700 | 1 | |a Murthy, S |e verfasserin |4 aut | |
| 700 | 1 | |a Chandrashekaran, Shruti |e verfasserin |4 aut | |
| 700 | 1 | |a Shanmugasundar, G |e verfasserin |4 aut | |
| 700 | 1 | |a Rao, Smitha S |e verfasserin |4 aut | |
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