PMC3197173_01
Lateral magnetic resonance image.
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fig1
Anteroposterior magnetic resonance image.
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fig2
Anteroposterior chest radiograph demonstrating deviation of the trachea around right mediastinal mass.
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fig3
An anteroposterior chest radiograph demonstrated deviation of the intrathoracic trachea around the mass (Figure 3).
Colour flow Doppler ultrasound image of superior mediastinal mass.
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fig4
A subsequent ultrasound scan demonstrated a superior mediastinal mass separate from the inferior pole of the right thyroid lobe measuring 4.8 cm in maximal diameter (Figure 4).
Macroscopic image of excised mediastinal thyroid mass (a) is the outer surface and (b) is the cut surface.
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fig5
Histopathologic evaluation of the excised mediastinal specimen demonstrated a 5.3 cm by 2 cm thyroid tissue mass with large oedematous loose areas and foci of calcification and fibrosis (Figure 5).
H&E stained section viewed at low power showing a peripheral rim of preserved thyroid follicles around a central paucicellular fibrotic area.
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fig6
No neoplasia was seen (Figure 6).