[Reconstruction of scarring pharyngeal stenosis with forearm free flap:a case report].

: A 33-year-old man presented with recurrent oral ulcers for more than 10 years,accompanying dyspnea and dysphagia for 1 year and aggravate for 1 month.Physical examination:pharyngeal cavity stenosis,mucous retention, epiglottis was extruded into the infant type. Electronic laryngoscope:Epiglottis curl,bilateral pyriform sinus disappeared.Ulcer and scar changes can be seen in the lateral wall of bilateral hypopharynx, piriform sinus and posterior annular area,and cover the throat inlet.Neck CT showed: soft tissue thickening in the posterior wall of oropharynx and laryngopharynx-prevertebral fascia, thickening in the right aryepiglottic fold and with local niche;slight uneven enhancement in enhanced scanning, and disappearance of bilateral pyriform sinus.Bilateral parapharyngeal space is clear, laryngopharyngeal wall is not thick, bilateral vocal cords are not thick, and laryngopharyngeal space is clear.Diagnosis: pharyngeal stenosis (scar?); Behcet's disease..