{"id":"81ed9d98-d54d-4717-9b39-94161ce944dd","slug":"posterior-fossa-hemorrhagic-complication-after-tuberculum-sellae-meningioma-surgery-through-transcranial-corridor-a-proposed-hypothesis","title":"Posterior fossa hemorrhagic complication after tuberculum sellae meningioma surgery through transcranial corridor: A proposed hypothesis","authors":["Guive Sharifi","Esmaeil Mohammadi","Ali Jafari"],"abstract":"Background: Tuberculum sellae meningioma (TSM) surgery is associated with various complications, including cerebrospinal fluid leaks and vascular events. A rare but severe complication is posterior fossa hemorrhage, which occurs exclusively in transcranial surgeries and not in endoscopic approaches. This bleeding can manifest as subdural hematomas or intracerebellar hemorrhages. Summary: The editorial discusses the potential mechanisms behind posterior fossa hemorrhages following TSM surgery, suggesting that the shape and location of TSMs may compress the medial part of the cavernous sinus, leading to altered venous circulation. The authors propose that the removal of these tumors can result in venous hyperemia and elevated pressure, causing complications such as subdural hematomas. They emphasize the need for further research to better understand the pathophysiology of this complication. Conclusion: The authors argue that existing hypotheses regarding the causes of posterior fossa hemorrhages do not adequately explain the unique bleeding patterns observed. They propose a new hypothesis centered on the venous dynamics altered by TSM removal, which may lead to complications. Larger multicenter studies are needed to validate these observations and improve understanding of this rare complication. Keywords: tuberculum sellae meningioma, posterior fossa hemorrhage, surgery complications, venous circulation, subdural hematoma, transcranial approach, hypothesis","thumbnailUrl":"https://sni-digital-videos.s3.amazonaws.com/articles/81ed9d98-d54d-4717-9b39-94161ce944dd/featured/hero-1781558606278.png","publishDate":"2025-05-23T00:00:00.000Z","doi":"10.25259/SNI_177_2025","categories":["Skull Base","Guest Editorial"],"fullTextUrl":"https://surgicalneurologyint.com/wp-content/uploads/2025/05/13576/SNI-16-193.pdf"}