Congenital mesodermal mass (normal variant) contiguous with the mastoid segment of the facial nerve. A report of five cases.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005154:Facial Nerve / Q000601:surgery; D005155:Facial Nerve Diseases / Q000209:etiology / Q000601:surgery; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008416:Mastoid; D008648:Mesoderm; D012983:Soft Tissue Neoplasms / Q000196:embryology* / Q000473:pathology / Q000601:surgery