[Giant angioleiomyoma of the neck: a rare tumor case and literature review].

Summary The patient was admitted of the chief complain "progressive snoring for two years, gradual enlargement of the neck neoplasm for six months". Specific examination indicated that bilateral cervical-mandibular margin to cervical root diffuse apophysis, most notably in the right thyroid plane.Posterior pharyngeal wall underwent an apophysis while no related vein engorgement was noticed. Ultrasound examination indicated that multiple hypoechoic nodules with calcification from posterior thyroid to submandibular. MRI examination indicated bilateral posterior pharyngeal plexus malformation. The patient was first treated with angiography and embolization in the department of interventional and followed by "cervical mass resection" in the department of otorhinolaryngology head and neck surgery. The tumor size was 11 cm×8 cm×3 cm. Histology of the tumor was angioleiomyoma with immunohistochemical results Desmin（+），SMA（+），CD31（-），CD34（+），Ki67（+，1%），Vimentin（+），D-240（-），p53（-）.