PMC6107890_01
1a-c show the preoperative MRI. 2a-c show MRI at 6-month follow-up, revealing minor cicatricial changes in the right oro- and hypopharynx and unchanged residual lesion in rhinopharynx.
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Magnetic resonance imaging (MR) revealed a large vascular malformation with retropharyngeal and parapharyngeal involvement, confined to the pharynx (Fig. 1). At 6-month follow-up, MRI was done showing minor cicatricial changes in the right oro- and hypopharynx and unchanged residual lesion in rhinopharyngeal (Fig. 1).