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CASE REPORT
Year : 2013  |  Volume : 10  |  Issue : 2  |  Page : 80-82

Absent thyroid isthmus: Embryological and clinical implications of a rare variation of thyroid gland revisited


1 Department of Anatomy, Government Medical College, Patiala, Punjab, India
2 Department of Anaesthesiology and Intensive Care, Gian Sagar Medical College and Hospital, Ram Nagar, Banur, Punjab, India

Correspondence Address:
Sukhminder Jit Singh Bajwa
House No-27-A, Ratan Nagar, Tripuri, Patiala- 147 001, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-0354.110595

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The thyroid gland is the most common endocrine organ which gets operated throughout the globe. It is a highly vascular endocrine gland that is composed of two lateral lobes connected by a narrow median isthmus having an "H" shaped appearance. A wide range of morphological variations and developmental anomalies of the thyroid gland have been reported in the literature which can have numerous clinical and surgical implications. In the present case, absence of the isthmus was observed during dissection on a female cadaver. The respective lateral lobes were positioned independently on either side of the trachea. The present case report aims at discussing the incidence of agenesis of isthmus and its developmental and clinical significance.


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