“The human body is the best picture of the human soul.” – Tony Robbins

 

 

 

PNA Spotlight: Phillip Cem Cezayirli, MD

This month the PNA Spotlight focuses on neurosurgeon Dr. Philip Cem Cezayirli, part of the Haynes Neurosurgical Group in Birmingham, Alabama. Dr. Cezayirli is affiliated with four local medical centers: Princeton Baptist, Shelby Baptist, Grandview, and Brookwood Baptist Medical Centers.

Dr. Philip Cezayirli

He is a board-certified neurosurgeon with a focus on neurosurgical oncology and spine surgery and is licensed to practice neurosurgery in Alabama.

He earned his MD at the University of Alabama at Birmingham School of Medicine in Birmingham, Alabama. He spent a year studying with Dr. Uğur Türe at Yeditepe University and Hospital in Istanbul, Turkey. He did his neurosurgery residency at the Albert Einstein College of Medicine in Montefiore, Bronx New York. And he completed a neurosurgical oncology fellowship at MD Anderson Cancer Center in Houston, TX.

Dr. Cezayiri was kind enough to speak with the PNA about a range of issues. Here is the conversation, edited for clarity.

Read More Here

 

Expertise needed for tumors that invade the pituitary’s protective layer

The pituitary gland is surrounded by the cavernous sinus and internal carotid artery. A thin layer of connective tissue separates the sinus and artery from the pituitary gland. Pituitary tumors sometimes invade this protective layer, called the medial wall of the cavernous sinus (MWCS).

That infiltration puts pituitary tumors in close proximity to the internal carotid artery and to cranial nerves, significantly complicating treatment approaches — especially when a tumor needs to be entirely removed to achieve cure.

“Standard procedure would be to resect the pituitary tumor up to the medial wall, to avoid damaging the artery. But if there’s tumor in the wall, the patient won’t be cured,” says Mayo Clinic neurosurgeon Dr. Kaisorn L. Chaichana.

MWCS infiltration is more common with functioning adenomas, such as prolactinomas and tumors that cause acromegaly or Cushing’s disease. Incomplete removal of these tumors can lower the chances of hormone control and increase the risk of tumor regrowth.

Fortunately, neurosurgeons are learning how to meet these challenges. Surgically removing part of the MCWS, to completely resect pituitary tumors, can improve outcomes.

“It’s a formidable challenge,” Dr. Chaichana says. “It takes people well-versed in the surgery, and who have experience, to know where they can open that medial wall. If you’re too far to the side — even by less than a millimeter — you would cut the carotid artery, which would be catastrophic.”

Mayo Clinic neurosurgeons use Doppler ultrasound to guide entry into the cavernous sinus, allowing selective resection of the MWCS. “We listen to the sound of the carotid artery, find a space within the medial wall where the artery isn’t present, and make a small slit in that opening,” Dr. Chaichana says. “Then we remove the wall from the carotid artery.”

It’s also important to limit packing of the cavernous sinus after surgery. “Overpacking that site can cause pressure and injury to the cranial nerves, which could lead to facial numbness and eye motion problems,” Dr. Chaichana says.

A multidisciplinary team that includes ENT/head and neck surgeons, as well as neurosurgeons, provides additional anatomical expertise.

“Very few centers do this procedure. But we’ve seen higher rates of remission for functional tumors when we take out that wall,” Dr. Chaichana says. “For a lot of functional tumors, selective resection of the MWCS can mean the difference between tumor remaining and tumor being gone — and therefore, cure or not cure.”

Featured News and Updates

News Articles February 2026

Omics data on pituitary tumors catalogued

A recent study reviewed scientific studies on omics data generated in pituitary tumors.  The data has been catalogued to make future research projects easier. Read more: https://www.eurekalert.org/news-releases/1114907

 

Pituitary cells and intracranial germ cell tumors

A new study looks at role of pituitary cells in the genesis of intracranial germ cell tumors, given that primordial germ cell-like cells reside in the pituitary. The authors call for more study. Read more: https://www.nature.com/articles/s41598-026-38060-2

 

Benefits of surgery for adrenal Cushing’s

An study in Lancet Diabetes and Endocrinology finds that surgery is more effective at controlling cortisol in patients with adrenal Cushing’s disease compared to a conservative management approach. Read the article in Cushing’s Disease News: https://cushingsdiseasenews.com/news/surgery-offers-best-cortisol-control-adrenal-cushings-syndrome/

 

Doctors say online influencers spread fear about cortisol

An article in the Associated Press looks at a trend online where influencers focus on the stress hormone cortisol. Some may raise people’s anxiety levels and push them to get unnecessary tests. Read more: https://apnews.com/article/cortisol-supplement-endocrinology-cushing-stress-0f6f6b8df2d11e2560d4e7562f522998

Research Articles

Research Articles February 2026

Pituitary tumors
Preoperative Metabolic Predictors of Granulation Subtypes in Somatotroph Tumors: A Multicenter Retrospective Cohort Study.

Chen L, Wang J, Zeng A, Akter F, Wang S, Liu S, Hu W, Yao S, Margetis K, Wang Z, Liu H, Wang X.CNS Neurosci Ther. 2026 Feb;32(2):e70774. doi: 10.1002/cns.70774.

 

Radiotherapy regimens and concurrent Cabergoline use for non-functioning pituitary neuroendocrine tumors: a large, single-center cohort.

Mauro GP, Rebello LG, Da Róz LM, Gico VC, Weltman E, de Souza EC, Batista RL, da Cunha Neto MBC, Villar RC.Endocrine. 2026 Feb 3;91(1):60. doi: 10.1007/s12020-025-04473-8.

 

Pediatric craniopharyngioma: when hypoglycemia reveals a brain tumor. Illustrative case.

Hmamouche OM, Hammoud M, Lakhdar F, Benzagmout M, Chakour K, Chaoui El Faiz M.J Neurosurg Case Lessons. 2026 Feb 2;11(5):CASE25727. doi: 10.3171/CASE25727. Print 2026 Feb 2.

 

Incidental 18F-Flortaucipir Uptake in Pituitary Macroadenoma.

Xiong M, Liu Y, Luo X, Jiang SN.Clin Nucl Med. 2026 Jan 22. doi: 10.1097/RLU.0000000000006313. Online ahead of print.

 

Exploring the Genetic Correlation Between Pituitary Adenomas and Psychiatric Disorders: Insights From Genome-Wide Association Studies.

Yang Z, Maimaiti A, Wu J, Zhou Z, Ding C, Sun H, Li S.J Craniofac Surg. 2026 Feb 2. doi: 10.1097/SCS.0000000000012474. Online ahead of print.

 

A Case Report of Growth Hormone-Secreting Pituitary Adenoma Complicated by Apoplexy With Atypical Clinical Presentation.

Hariri BA, Faizan M, Balintona R Jr, Elhassan MOE, Salameh S, Mohammad IH, Qasem AM.Case Rep Med. 2026 Jan 30;2026:4124145. doi: 10.1155/carm/4124145. eCollection 2026.

 

Lugol’s solution for preoperative management of a TSH/GH-secreting pituitary adenoma with suboptimal response to octreotide: a case report.

Peng G, Lei X, Leng W, Wu F, Xie L, Long M, Chen L.Front Endocrinol (Lausanne). 2026 Jan 15;16:1698948. doi: 10.3389/fendo.2025.1698948. eCollection 2025.

 

Optical coherence tomography in preoperative workup and visual outcome of pituitary macroadenomas.

Dal Fabbro M, Moura FC, Atihe C, Sampaio MH, Garmes HM.Surg Neurol Int. 2025 Dec 19;16:533. doi: 10.25259/SNI_908_2025. eCollection 2025.

 

Mixed gangliocytoma-pituitary neuroendocrine tumour: clinical, immunohistochemical, and molecular genetic profiles in a series of four patients.

Dalakas K, Engström BE, Tebani A, Bontell TO, Larsson A, Nord H, Lindskog C, Pontén F, Boldt HB, Ragnarsson O, Casar-Borota O.Acta Neuropathol Commun. 2026 Jan 30. doi: 10.1186/s40478-026-02225-x. Online ahead of print.


Exploring the Dynamic Interaction Between Pituitary Neuroendocrine Tumors (Pit-NETs) Cells and Their Angiogenic Microenvironment by Using the MIB1 Labeling Index, VEGF Expression and Digital Image Analysis.

Cozma M, Cimpean AM, Parnov M, Corlan AS, Stratulat S, Fala P, Melnic E.Curr Issues Mol Biol. 2025 Dec 25;48(1):27. doi: 10.3390/cimb48010027.

 

Pediatric and Adult Craniopharyngioma: A 37-Year Experience at a National Referral Center.

Hernández MI, Ibeas C, Fernández JP, Ivanovic-Zuvic D, Gómez M, Gutiérrez D, Valenzuela S, Okuma C.Clin Endocrinol (Oxf). 2026 Jan 30. doi: 10.1111/cen.70103. Online ahead of print.

 

Oxidative Phosphorylation in Silent Pituitary Adenomas: A Multiomics Perspective.

Chen Y, Zhao Q, Wang X, Wang X, Guo Y.Int J Endocrinol. 2026 Jan 28;2026:8488950. doi: 10.1155/ije/8488950. eCollection 2026.


A novel germline CDH23 variant as a likely cause of an ultra-giant prolactinoma.

Albasri E, Alghamdi B, Murugan AK, Othman E, Alotaibi S, Dababo MA, Alfares A, Alzahrani AS.Orphanet J Rare Dis. 2026 Jan 29;21(1):32. doi: 10.1186/s13023-025-04161-w.

 

Pituitary Surgery

Endoscopic Endonasal Approach With Extradural Posterior Clinoidectomy and Upper Clivectomy for Retrochiasmatic Craniopharyngiomas.

Morisako H, Nagahama A, Ikegami M, Sasaki T, Kulkarni AV, Hazunga R, Ichinose T, Teranishi Y, Goto T.Oper Neurosurg. 2026 Feb 3. doi: 10.1227/ons.0000000000001905. Online ahead of print.

 

Ultrasound-guided percutaneous versus trans-nasal pterygopalatine fossa block in endoscopic trans-sphenoidal pituitary gland surgery: a randomized controlled trial.

Saad DH, Ahmed AMM, ElKholy WM, Bakr MM.BMC Anesthesiol. 2026 Feb 2. doi: 10.1186/s12871-026-03618-0. Online ahead of print.

 

Cushing’s Disease
New Sparks and Spots: Molecular Imaging with Positron Emission Tomography Will Change Management of Cushing’s Disease.

Reincke M, Apaydin T, Kakashvili M, Albert NL, Thorsteinsdottir J, Schweizer JROL, Theodoropoulou M, Schilbach K, Völter F.Endocrinol Metab (Seoul). 2026 Feb 3. doi: 10.3803/EnM.2025.2728. Online ahead of print.

 

Recurrent Pituitary Adenoma Causing Cushing’s Disease in a Patient With Lynch Syndrome.

Bares V, Netuka D.Cureus. 2026 Jan 27;18(1):e102414. doi: 10.7759/cureus.102414. eCollection 2026 Jan.


Psychological Recovery after treatment of Cushing syndrome.

Pereira AM, Stenvers DJ.J Clin Endocrinol Metab. 2026 Jan 28:dgag034. doi: 10.1210/clinem/dgag034. Online ahead of print.

 

Radiation Therapy

Low Incidence of New-Onset Hypopituitarism After High-Precision Stereotactic Radiation Therapy of Sellar and Perisellar Lesions.

Heer A, Schneider M, Boström JP, Pinkawa M, Kovács A, Weller J, Bischoff J, Fries CM, Boström A, Fenske WK.Adv Radiat Oncol. 2025 Oct 31;11(3):101933. doi: 10.1016/j.adro.2025.101933. eCollection 2026 Mar.

 

Hormonal Health
Neurologic Complications of Endocrine Disorders.

Mustafa R.Continuum (Minneap Minn). 2026 Feb;32(1):105-130. doi: 10.1212/cont.0000000000001658. Epub 2026 Feb 3.


PPP1R12A Mutation Presenting With Congenital Jejunal Atresia and Short Stature: A Pediatric Endocrinology Case Report.

Saul R, David M, Frasch J, Sanchez-Lara PA, Schweiger BM.Case Rep Pediatr. 2026 Jan 28;2026:2247764. doi: 10.1155/crpe/2247764. eCollection 2026.


Identification of a novel KISS1R (GPR54) gene variant (c.505+2T>G) in a patient with congenital hypogonadotropic hypogonadism: A case report and literature review.

Menekse B, Ucgul E, Bakir A, Hepsen S, Ozturk Unsal I, Kizilgul M, Araki T, Cakal E.Exp Ther Med. 2026 Jan 16;31(3):71. doi: 10.3892/etm.2026.13066. eCollection 2026 Mar.


Oxytocin Deficiency in Childhood and Adolescence: Clinical Features, Diagnostic Challenges and Therapeutic Perspectives.

Paparella R, Bei A, Bernabei I, Fiorentini C, Iafrate N, Lucibello R, Marchetti L, Pastore F, Maglione V, Niceta M, Fiore M, Caronti B, Vitali M, Pucarelli I, Tarani L.Curr Issues Mol Biol. 2025 Nov 25;47(12):982. doi: 10.3390/cimb47120982.

 

Isolated Menarche and Empty Sella Turca: A Rare Pediatric Case.

Vieira M, Azevedo IA, Rangel MA, Campos RA, Leite AL.Cureus. 2025 Dec 28;17(12):e100275. doi: 10.7759/cureus.100275. eCollection 2025 Dec.

 

 

 

 

Count on your Xeris CareConnection™ Team for unparalleled Cushing’s Support

Cushing’s can be challenging, but there is support so patients can feel like themselves again. The main goal of treating Cushing’s is to get cortisol levels back to normal. This Pituitary Awareness Month, Xeris Pharmaceuticals® is highlighting the importance of one-on-one support for patients living with Cushing’s Syndrome and support for HCPs treating Cushing’s Syndrome.

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Have more questions? Call for more support at 1-844-444-RCLV (7258)

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