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Year :2025
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Month :
January-February
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Volume :
14
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Issue :
1
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Page :
AC01 - AC03
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Radiological Findings in a Case of Internal Jugular Vein Duplication Associated with Thyroid Hemiagenesis
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Correspondence Address :
Dibendu Ghosh, Gaurav Daniel, S Anandi, SH Ashok Narayan, Debasis Bandyopadhyay,
Dr. Debasis Bandyopadhyay,
Department of Anatomy, Armed Forces Medical College, Wanowrie, Pune-411040, Maharashtra, India.
E-mail: debasisbandy13@gmail.com
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Introduction: The Internal Jugular Vein (IJV) is the principal vein draining blood from either side of the head and neck region towards the heart. The thyroid gland, one of the endocrine glands in the body, lies in close proximity to the IJV and is drained by its tributaries. One variation of the IJV, in the form of duplication, can be traced embryologically during the development of the cardinal veins. The present case discusses the findings from Contrast Enhanced Computed Tomography (CECT), which show the duplication of the IJV accompanied by contralateral hemiagenesis of the thyroid gland. The embryological basis for these variations needs to be highlighted separately. Duplication of the IJV is hypothesised based on several theories, including venous, neuronal and bony factors. The agenesis of the thyroid gland is noted during the lobulisation phase of its development. Identifying such variations is crucial to differentiate them from other surgical and radiological pathologies. During invasive therapeutic and diagnostic procedures in the head and neck region, these superficial structures are frequently encountered. Therefore, knowledge of the various variations and anomalies of these vital structures plays a pivotal role in planning for both emergency and elective procedures in the head and neck region. In modern medicine, this case contributes to the rare instances that can be encountered during routine practice.
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