Adenoma invasor en seno esfenoidal y clivus

this is a report on a patient's case with a pituitary adenoma that produced prolactin with amyloid deposits in the sphenoid sinus and the clivus. the patient, a 59 year old man, has suffered from headaches for the last 25 years, with hyperprolactinemia. imaging studies including skull x-ray films, cranial tomography, and magnetic resonance showed the presence of a tumor in the sphenoid sinus and the clivus. this tumor was partially resected by extended sublabial transseptal transsphenoidal approach. its possible ectopic origin and embryological relation was presented.