Thyroid

Question 1

Needle size for FNAC

Answer 1

23-30 Gauge needle

Question 2

Investigations for thyroid gland

Answer 2

1) Thyroid function tests - First test to be done
- T3, T4, TSH, Anti-Thyroid Ab
- Done after overnight fasting

2) USG Neck - Imaging IOC for thyroid disorders
3) FNAC - Overall IOC for thyroid disorders
4) Thyroid scan

Question 3

Parameters in TIRADS. Scoring catergories.

Answer 3

Composition
Echogenecity
Margins
Shape
Echogenic Foci

Score 0 = TR1
Score 2 = TR2
Score 3 = TR3
Score 4-6 = TR4
Score >= 7 = TR5

Question 4

What is Kocher test?

Answer 4

It is a test used to look for tracheal compression by a thyroid

» The swelling is pressed slightly on either side of trachea. If trachea is already compressed, patient will have stridor
» Kocher’s test negative (no stridor)
» Kocher’s test positive (stridor on compression of both lobes)

Question 5

Complications of Thyroid surgery

Answer 5

1) Hemorrhage
2) Injury to nerves
3) Post op respiratory distress (m/c complication)
4) Hypothyroidism
5) Keloid
6) Recurrence

Question 6

Most common nerve injuries in thyroid surgery

Answer 6

External laryngeal nerve