Presentation
A large occipital mass lesion with known background thyroid follicular carcinoma. For CT assessment prior to incisional biopsy.
Patient Data
There is a large, heterogeneous, enhancing, occipital soft tissue mass, with regional bone erosion and intracranial extension. There are scattered peripheral/ rim calcifications. The mass measures 11.5 x 9.8 x 6.7 cm ( cc x w x AP).
Prominent superficial draining veins.
Contrast-enhanced CT brain is otherwise normal.
Features consistent with metastatic follicular carcinoma of the thyroid gland on incision core biopsy of the occipital mass.
Case Discussion
An example of a histopathologically proven metastatic follicular thyroid carcinoma. The status of the primary malignancy and previous management thereof was unknown at the time of presentation and CT imaging.
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