Paragangliom des Larynx

A rare case

of laryngeal paraganglioma presenting as a neck mass. USG showed an iso to hypoechoic lesion with well circumscribed borders on the left side of the neck.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Coronal contrast CT section shows the bilobed enhancing lesion with intra and extralaryngeal components

A rare case

of laryngeal paraganglioma presenting as a neck mass. Axial contrast CT section at the level of C4 vertebra shows an intensely enhancing bilobed lesion with intralaryngeal component in the pre-epiglottic fat and extralaryngeal extension through thyrohyoid membrane.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Axial T1 section shows an isointense lesion with intra and extralaryngeal components.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Axial T2 section shows a hyperintense lesion containing a few flow voids.

A rare case

of laryngeal paraganglioma presenting as a neck mass. T1FatSat axial post contrast image shows intense enhancement of the lesion.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Early arterial phase shows intense tumour blush with supply from feeders arising from the left superior thyroid artery.

A rare case

of laryngeal paraganglioma presenting as a neck mass. The lesion is noted to extend through the thyrohyoid membrane into the larynx.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Low resistance flow pattern is noted within the lesion.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Tumour blush is intensified in late arterial phase.

A rare case

of laryngeal paraganglioma presenting as a neck mass. Rapid washout is noted in early venous phase

A rare case

of laryngeal paraganglioma presenting as a neck mass. Complete washout is noted in late venous phase.