title: Infraorbital perineural invasion by tumor.
mesh_terms: D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D008875:Middle Aged; D009380:Neoplasms, Nerve Tissue / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D009915:Orbit / Q000294:innervation; D009918:Orbital Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D011859:Radiography