Microlobulated margin of thyroid nodule: metastasis to thyroid

Case contributed by Albert Prat Matifoll
Diagnosis probable


Highly aggressive neuroendocrine lung tumor with cerebral, liver/right adrenal and thyroid metastases

Patient Data

Age: 50 years
Gender: Female

Heterogeneous mass within the left thyroid lobe, predominantly hypoechoic compared to thyroid parenchyma associated with multifocal supraclavicular adenopathy. Note the microlobulated and irregular margins suggesting an aggressive behavior of this lesion. On color Doppler, this lesion had increased arterial flow.

Case Discussion

Microlobulated margins or scalloped appearance have been described as an indicator of malignancy or aggressive behavior.

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