Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments with related expertise Brain Tumor Program Endocrinology Head and Neck Cancer Center Laboratory Medicine and Pathology Neurology Neurosurgery Neurovascular (Cerebrovascular) Surgery Oncology (Medical) Ophthalmology Otolaryngology (ENT)/Head and Neck Surgery Pituitary Tumors Specialty Group Pituitary-Gonad-Adrenal (PGA) Specialty Group Radiation Oncology Radiology Areas that research this procedure Neurologic Surgery Neurology Research Otolaryngology — Head and Neck Surgery Research Radiology Research Doctors who perform this procedure Edit search filters close Narrow your search By location Phoenix/Scottsdale, AZ By last name There are no doctors whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C There are no doctors whose last name begins with the letter D D There are no doctors whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F There are no doctors whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I There are no doctors whose last name begins with the letter J J There are no doctors whose last name begins with the letter K K There are no doctors whose last name begins with the letter L L active Find a doctor whose last name begins with the letter M M There are no doctors whose last name begins with the letter N N There are no doctors whose last name begins with the letter O O There are no doctors whose last name begins with the letter P P Find a doctor whose last name begins with the letter Q Q There are no doctors whose last name begins with the letter R R There are no doctors whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U There are no doctors whose last name begins with the letter V V There are no doctors whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-1 out of 1 doctors available Last Name Initial: M Michael J. Marino, M.D. Phoenix, AZ Areas of focus: Transnasal endoscopic procedure, Transsphenoidal surgery, Dacryocystorhinostomy, Endoscopic sinus surgery, Endoscopic s...kull base surgery, Head and neck cancer, Pituitary tumor, Esthesioneuroblastoma, CSF leak, Nasal and paranasal tumors, Nasopharyngeal carcinoma, Jaw tumors and cysts, CSF rhinorrhea, Nasal polyps, Skull base tumor, Chronic sinusitis Show more areas of focus for Michael J. Marino, M.D. ResearchMayo Clinic's large database of people with all types of pituitary tumors, including pituitary adenomas, contributes to advances in diagnosis and treatment. PublicationsSee a list of publications about transsphenoidal by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine. By Mayo Clinic Staff Transsphenoidal care at Mayo Clinic Request an appointment AboutCare at Mayo Clinic May 17, 2025 Print Show references Transsphenoidal surgery. NCI Dictionary of Cancer Terms. https://www.cancer.gov/publications/dictionaries/cancer-terms/def/transsphenoidal-surgery. Accessed April 17, 2025. Kuo JS, et al. Congress of Neurological Surgeons systematic review and evidence-based guideline on surgical techniques and technologies for the management of patients with nonfunctioning pituitary adenomas. Neurosurgery. 2016; doi:10.1227/NEU.0000000000001390. Quinones-Hinojosa A, et al., eds. Endoscopic endonasal pituitary and skull base surgery. In: Schmidek & Sweet: Operative Neurosurgical Techniques. 7th ed. Elsevier; 2022. https://www.clinicalkey.com. Accessed April 17, 2025. Swearingen B. Transsphenoidal surgery for pituitary adenomas and other sellar masses. https://www.uptodate.com/contents/search. Accessed April 17, 2025. Winn HR, ed. Avoidance of complications in neurosurgery. In: Youmans and Winn Neurological Surgery. 8th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed April 17, 2025. Gropper MA, et al., eds. Anesthesia for neurologic surgery and neurointerventions. Miller's Anesthesia. 10th ed. 2025; Elsevier. https://www.clinicalkey.com. Accessed April 17, 2025. Guinto G, et al. Current and future perspectives of microscopic and endoscopic transsphenoidal surgery for pituitary adenomas: A narrative review. Archives of Medical Research. 2023; doi:10.1016/j.arcmed.2023.102872. Fang CH, et al. Overview of pituitary surgery. Otolaryngologic Clinics of North America. 2022; doi:10.1016/j.otc.2022.01.001. Rennert RC, et al. Microscopic transsphenoidal surgery in the era of endoscopy: Are there any advantages? Otolaryngologic Clinics of North America. 2022; doi:10.1016/j.otc.2021.12.010. Chavez-Herrera VR, et al. Endonasal endoscopic surgery for pituitary adenomas. Clinical Neurology and Neurosurgery. 2024; doi:10.1016/j.clineuro.2024.108172. Shafiq I, et al. Advancement in perioperative management of pituitary adenomas — Current concepts and best practices. Journal of Neuroendocrinology. 2024; doi:10.1111/jne.13427. Perez-Vega C, et al. Fluid restriction after transsphenoidal surgery for the prevention of delayed hyponatremia: A systematic review and meta-analysis. Endocrine Practice. 2021; doi:10.1016/j.eprac.2021.07.003. Zhou Z, et al. Risk factors for postoperative cerebrospinal fluid leakage after transsphenoidal surgery for pituitary adenoma: A meta-analysis and systematic review. BMC Neurology. 2021; doi:10.1186/s12883-021-02440-0. Pituitary tumors treatment — For health professionals. National Cancer Institute. http://www.cancer.gov/types/pituitary/hp/pituitary-treatment-pdq#section/all. Accessed May 2, 2025. Surgery for pituitary tumors. American Cancer Society. https://www.cancer.org/cancer/types/pituitary-tumors/treating/surgery.html. Accessed April 25, 2025. Swearingen, B. Transsphenoidal surgery for pituitary adenomas and other sellar masses. https://www.uptodate.com/contents/search. Accessed April 25, 2025. Shih HA. Radiation therapy of pituitary tumors. https://www.uptodate.com/contents/search. Accessed April 25, 2025. Health Education & Content Services. Endoscopic transsphenoidal pituitary surgery. Mayo Clinic; 2023. Health Education & Content Services. Preparing for your surgery or procedure. Mayo Clinic; 2023. Related Chondrosarcoma Chordoma Craniopharyngioma Cushing syndrome Hyperthyroidism (overactive thyroid) Meningioma Pituitary tumors Prolactinoma Skull base tumors Show more related content Transsphenoidal surgeryAboutDoctors&DepartmentsCare atMayoClinic PRC-20581882 Patient Care & Health Information Tests & Procedures Transsphenoidal