Introduction

Colloid goitre:

History:

Young lambs presented with bilateral large masses palpable either side of the larynx. One lamb was sacrificed. The thyroid glands were exposed and on cut section, these masses appeared a translucent, amber colour.

Section through enlarged thyroid gland.(x40) The follicles are distended with colloid (stored thyroglobulin). The epithelial cells lining the follicles are very flat.

Slide Ref: lab class 3, slide 2 *

Cases

Review Questions

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