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The first 25 slides, exactly as they appear. The full deck has 56 content slides.
Neurosurgery
Surgical Approaches to Pineal Region Tumors
Built from Feldman — Neurosurgical Operative Atlas: Neuro-Oncology
What’s inside
9 sections · 56 slides
The Pineal Region and Its Tumors
A rare location that hides an unusually wide range of tumors
- Where we are and why it is hard
- Why these tumors are so diverse
- The three core surgical challenges
- What this deck will teach you
Presentation and Diagnosis
Two classic ways these tumors announce themselves
- How patients present
- Parinaud syndrome, in plain terms
- Imaging: CT first, then MRI
- Enhancing pineal region mass on MRI
- What to look for on the scans
- Tumor markers can change everything
Managing Hydrocephalus First
Relieve the backed-up fluid before opening the skull
- Why divert CSF before craniotomy
- Two ways to divert the fluid
- Sample the fluid while you are there
The Three Time-Tested Approaches
Different doors into the same deep room
- Three open corridors that have stood the test of time
- Trajectories of approaches to the pineal region
- How the surgeon chooses
- The deep venous system is the central danger
Infratentorial-Supracerebellar
Up the natural corridor beneath the tentorium
- The idea and its history
- Why the sitting position helps
- Air embolism: the price of sitting up
- Bringing the patient upright
- Opening the skull (craniotomy)
- Opening the dura and the corridor
- Under the microscope: reaching the tumor
- Debulking the tumor from the inside out
- Peeling the capsule off in sequence
- Finishing and closing
- A useful variation: lateral suboccipital craniotomy
Occipital-Transtentorial Approach
From above and behind, through a divided tentorium
- Three-quarter prone position for pineal surgery
- What this approach offers
- Positioning the patient
- Retracting the occipital lobe safely
- Dividing the tentorium and removing the tumor
Transcallosal-Interhemispheric
Across the corpus callosum for forward-extending tumors
- When and why this approach is used
- Craniotomy and choosing among the bridging veins
- Crossing the corpus callosum
- The unforgiving vein rule
Biopsy-Only Alternatives
When tissue is needed but open surgery is not the answer
- When to biopsy instead of resect
- Stereotactic needle biopsy
- Stereotactic biopsy: technique and safeguards
- Endoscopic biopsy
After Surgery and Key Points
Watching for the predictable early problems
- Postoperative management
- Delayed decline: think hydrocephalus
- Key takeaways
- Why is CSF diversion often done before resecting a pineal tumor, and what test can make surgery unnecessary altogether?
- Neurosurgical Operative Atlas: Neuro-Oncology