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Retrosternal Goitre Image 1a, b, c and d (Computed Tomography): The right lobe of the thyroid is considerably enlarged with retrosternal extension and deviation of the trachea to the left (arrows). There are a few mediastinal nodes which measure around 1cm in short axis diameter. |
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Multinodular (Colloid) Goitre Image 2a: Total thyroidectomy showing a multinodular goitre with marked asymmetrical enlargement of the right lobe due to a massive dominant nodule. |
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| 2b |
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Image 2b (H&E, x2.5): Histological section of a multinodular (colloid) goitre showing the usual features of variously sized, colloid-containing follicles lined by uniform epithelial cells, patchy areas of haemorrhage and fibrosis. | |
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Image 2c (H&E, x10): Histological section of Graves' disease showing hyperplastic follicles with infolding of the follicular epithelium to form papillary projections (blue arrow). The colloid is pale with scalloped margins (green arrows). | |
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Pathology
images courtesy of PathWest Laboratory Medicine.