Cranial Surgery

Many surgeries that Dr. Rohrer performs are through microscopic and endoscopic techniques.  Certain brain tumor operations are performed in the intraoperative MRI suite. 

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Intracranial Brain Tumors and Cysts
Primary (glioma, meningioma)
Secondary (metastatic)
Colloid Cysts
Arachnoid Cysts
Skull Base Tumors and Cranial Nerve Disorders
Acoustic Neuromas
Olfactory Neuroblastomas
Pituitary Adenomas
Trigeminal Neuralgia (Craniofacial Pain Syndromes) (read more)
Glossypharyngeal Neuralgia (read more)
Hemi-Facial Spasm
Intracranial Vascular Abnormalities 
Aneurysms
Arteriovenous Malformations
Hydrocephalus
Third Ventriculostomies 
Ventriculoperitoneal Shunts
Intraoperative MRI
MR-Guided Laser Ablation of Intracranial Tumors 
Gamma Knife Stereotactic Radiosurgery
Epilepsy Surgery
Chiari Malformation 

​Combination of leading-edge technology and world-class expertise allows Dr.Daniel Rohrer to offer remarkable treatments for patients with brain tumors and other disorders of the brain.  As a medical director of the Providence Brain and Spine Institute, Dr.Rohrer helped develop the intraoperative MRI (iMRI) operating suite at Providence St Vincent Hospital.  In this surgical setting, Dr.Rohrer has real-time views of the brain during surgery, allowing him to detect abnormal tissues and remove brain tumors safely and effectively. Intraoperative imaging during surgery enables Dr.Rohrer to operate more precisely and minimizes the risk of surgical complications. 

For more information about brain conditions and treatments please visit these websites:

• American Association of Neurological Surgeons (AANS)
• Providence Brain & Spine Institute​ 

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Minimally Invasive Neuroendoscopic Surgery

​Transnasal/Endoscopic Pituitary and Skull Base Surgery
Intraventricular Tumor, Colloid Cyst, and Cysticercosis Removal
Arachnoid Cyst Fenestration
Hydrocephalus:
  -Third Ventriculostomy
  -Septum Pellucidotomy
  -Ventricular Catheter Placement
Foreign Body Retrieval
Endoscope-Assisted Surgery:
Skull Base Tumors
Acoustic Neuromas
Microvascular Decompression

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Neuroendoscopic surgery is an innovative surgery technique used to remove brain tumors and lesions all trough the nose. The nose and sinuses are used as natural corridors to access hard to reach tumors, even those once considered ‘inoperable”, without disturbing the face or skull. This innovative technique requires collaboration between a neurosurgeon and otolaryngologist. 

For more information about pituitary and skull base conditions and treatments please visit the following websites:

• American Association of Neurological Surgeons (AANS)

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Minimally Invasive Spine Surgery 

​Artificial Disc Replacements
Congenital Disorders (adult)
Degenerative Spine Disease
Herniated Disk
Intraspinal Tumors and Cysts
Spinal Stenosis
Spinal Instabilities
Spinal Fusions
Spondylolisthesis
Radiculopathy and Myelopathy

For more information about spine conditions and treatments please visit the following websites:

• Spine Universe 
• Spine-Health 
• Understand Spine Surgery 
• Spineopedia
• North American Spine Society (NASS)

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Peripheral Nerve Surgery 

Carpal Tunnel Syndrome (read more)
Ulnar Neuropathy
Peroneal Neuropathy
Other Entrapment Neuropathies
Peripheral Nerve Tumors 

For more information about peripheral nerve conditions and treatments please visit the following websites:

• American Association of Neurological Surgeons (AANS)