Type of Article:  Original Research

Volume 7; Issue 4.3 (December 2019)

Page No.: 7193-7198

DOI: https://dx.doi.org/10.16965/ijar.2019.339


S  Monica Diana *1, S Supa Devi 2, H A Rieyaz 3.

*1 Assistant Professor, Dept. Of Anatomy, Karuna Medical College, Palakkad- 678103, Kerala, India.

2 Assistant Professor, Dept. Of Anatomy, Government Kilpauk Medical College, Chennai -600010, Tamil nadu, India.

3 Assistant Professor, Dept. Of Anatomy, Coimbatore  Medical College, Coimbatore- 641014, Tamil nadu, India.

Corresponding author: Dr  S  Monica Diana, Assistant Professor, Dept. Of Anatomy, Karuna Medical College, Palakkad- 678103, Kerala, India.

E-Mail: monicadiana3@gmail.com


Introduction: Thyroid gland surgery is one of the most common surgical interventions in the head and neck region. The gland is located low down in front of the neck. It consists of two symmetrical lobes united by an isthmus. A small portion of the gland substance often projects upwards from the isthmus, generally to the left of the midline as the Pyramidal lobe (PL). The Levator glandulae thyroidea(LGT) descends from the hyoid body to the isthmus or apex of  Pyramidal lobe, innervated by branch of external laryngeal nerve. Hence this study on morphological analysis of the gland will hopefully help to minimise the complications during the surgeries.

Materials and methods: The study was done in 50 specimens which included glands dissected out of adult cadavers, specimens used for teaching in the department and rest of them were collected from fresh cadaveric workshops.statistical analysis was done between  male and female thyroid glands using spss software 20 version, dependant variables were compared using chi square test.

Result:  The shape of the gland was mostly normal, Isthmus was related to 2,3,4 th tracheal rings and in 6% cases it was absent. The pyramidal lobe was seen mostly to the left in 38% cases, LGT was absent in 36% cases, muscular LGT was seen on left side in 18% cases and STA was seen related to the medial border of apex in 52% cases.

Conclusion: In the present study we observed variation in the morphology between the male and female thyroid glands.

Key words: Pyramidal lobe, Levator glandulae thyroidea, Morphology.


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Cite this article: S Monica Diana, S Supa Devi, H A Rieyaz. MORPHOLOGY OF THYROID GLAND- A COMPARATIVE STUDY BETWEEN MALE AND FEMALE THYROID GLANDS. Int J Anat Res 2019;7(4.3):7193-7198. DOI: 10.16965/ijar.2019.339