PMC4900024_01
Ultrasonography of the neck shows (A) the presence of a hypoechoic lymph node with a heterogeneous appearance in the left submandibular region, with well-confined edges and early signs of internal liquefactive necrosis, and B) right lateral cervical lymph nodes that are normal in shape and size.
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The PET study showed the presence of heterogeneous uptake on the bilateral lateral cervical and bilateral supraclavicular lymph nodes, suggesting the presence of disease with high metabolic activity in these sites (Fig. 1).
Three adjacent, axial, T2-weighted MR images show retraction of the trapezius muscles from the spinous processes with surrounding hematoma. There are areas of nodularity within the fluid collection that represent torn fragments of muscle.
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No pathological uptake was observed in the previously mentioned sites, suggesting a complete disease response to the treatment (Fig. 2).
The post-treatment 18F-FDG PET/TC scan shows no pathologic uptake in the previously cited sites, suggesting complete response to therapy.
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One year following this transplant, the patient is alive, disease-free, and in good condition (Fig. 3).