PMC6465688_01
A lumbosacral spine MRI scan revealed multiple lesions in the L4, L5, S1 vertebra bodies, sacral bone and left pelvis bone, suggesting of a metastatic disease.
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F1
A lumbosacral spine MRI (magnetic resonance image) scan revealed multiple lesions in the L4, L5, S1 vertebra bodies, sacral bone and left pelvis bone, suggesting of a metastatic disease (Fig. 1).
A PET scan showed abnormal hypermetabolic foci in the L4, L5, S1 vertebra bodies, sacral bone, left pelvis bone and left thyroid lobe.
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F2
A PET (positron emission tomography) scan showed abnormal hypermetabolic foci in the L4, L5, S1 vertebra bodies, sacral bone, left pelvis bone and left thyroid lobe, giving further indication of metastatic tissues (Fig. 2).
Histology analysis revealed a low-grade MEC.
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F3
Immunohistochemical analysis showed positive results for thyroglobulin, confirming that the carcinoma primary origin site is the thyroid, and thus the diagnosis of thyroid mucoepidermoid carcinoma was confirmed (Fig. 3).