PMC3295547_01
Magnetic resonance image revealed a large destructive mass at right frontal bone with soft tissue invasion.
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fig1
No calcification was seen in the soft tissue component (Figure 1(a) and 1(b)).
Follicular thyroid carcinoma with skull metastasis. The microfollicles are invaded bone trabecula. Hematoxylin and eosin stain, x40.
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fig2
Invasion of bone trabeculae by the follicles was confirmed on microscopic study (Figure 2).
Thyroid gland with enlargement of left lobe. There are two well-defined creamy-gray nodules at the left lobe.
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fig3
The larger nodule is measuring about 3 cm and the other is measuring about 0.5 cm in greatest diameter (Figure 3). 
Microscopic study of thyroid gland nodule which shows a follicular carcinoma with area of capsular invasion. Hematoxylin and eosin stain, x100.
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fig4
Representative sections (10 sections) show no vascular invasion (Figures 4 and 5).
Thyroid follicular carcinoma forming follicles with uniform small nuclei. Hematoxylin and eosin stain, x400.
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fig5
Representative sections (10 sections) show no vascular invasion (Figures 4 and 5).