PMC9722950_01
Collateral variceal venous circulation of the neck due to the presence of internal jugular agenesis.
fmed-09-1011206-g0001.jpg
PMC9722950_01_fmed-09-1011206-g0001.jpg
F1
However, 3 weeks after the first clinical evaluation, the patient was referred for an increase in the volume of the varicose vein in the neck, associated with cough (Figure 1).
Magnetic resonance imaging with evidence of internal jugular agenesis.
fmed-09-1011206-g0002.jpg
PMC9722950_01_fmed-09-1011206-g0002.jpg
F2
An MRI of the head and neck confirmed the hypothesis of venous agenesis (Figure 2).