PMC8452431_01
Dislocated removed coil material by the patient from his left nose.
CRIOT2021-4270441.001.jpg
PMC8452431_01_CRIOT2021-4270441.001.jpg
fig1
Ten months later, the patient described fibrous material that he had pulled partly out of his left nose and presented on his handkerchief (Figure 1).
Endoscopic nasopharyngeal view showing the left necrotic lateral area with the dislocated coil (*coil, white arrow: necrotic area).
CRIOT2021-4270441.002.jpg
PMC8452431_01_CRIOT2021-4270441.002.jpg
fig2
It was coil material confirmed by nasal endoscopy (Figure 2).
(a-b) Computed tomography after embolization and dislocation of the coil (*plug without coil). No extravasation was noted.
CRIOT2021-4270441.003.jpg
PMC8452431_01_CRIOT2021-4270441.003.jpg
fig3
A repeated MRI confirmed persistent sufficient embolization of the internal carotid artery with a vascular plug (Figures 3(a) and 3(b)).
Additional endoscopically removed excess coil material from the exit area in a surgical setting.
CRIOT2021-4270441.004.jpg
PMC8452431_01_CRIOT2021-4270441.004.jpg
fig4
The accessible extruded material was divided, leaving the residual material in place in a controlled setting (Figure 4).