Pure endoscopic removal of pineal region tumors.
Summary of "Pure endoscopic removal of pineal region tumors."
Endoscopic resection of pineal tumors using an endoscope with a mounted rigid suction that allows bimanual handling of the tumor for resection. This contrasts to the established method of biopsy of pineal tumors through intraventricular approach.
Two patients, one with a cystic lesion in the pineal region and one with a large pineal tumor, were operated in sitting position through a subtorcular approach. Endoscope was held in the left hand with suction tip extending beyond the tip through its instrument channel. Regular microsurgical instrumentation/CUSA/Nico Aspirator was used with the right hand for dissection, cutting, and removing the tumor under endoscopic vision.
Surgeon comfort was superior to when microscope is used in sitting position. Complete resection was achieved in all cases.
The two-handed endoscopic technique using a mounted suction on the endoscope as described is a safe and effective strategy for resecting pineal region tumors.
This article was published in the following journal.
Name: Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21607639
- DOI: http://dx.doi.org/10.1007/s00381-011-1490-1
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Medical and Biotech [MESH] Definitions
Neoplasms which originate from pineal parenchymal cells that tend to enlarge the gland and be locally invasive. The two major forms are pineocytoma and the more malignant pineoblastoma. Pineocytomas have moderate cellularity and tend to form rosette patterns. Pineoblastomas are highly cellular tumors containing small, poorly differentiated cells. These tumors occasionally seed the neuroaxis or cause obstructive HYDROCEPHALUS or Parinaud's syndrome. GERMINOMA; CARCINOMA, EMBRYONAL; GLIOMA; and other neoplasms may arise in the pineal region with germinoma being the most common pineal region tumor. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, p2064; Adams et al., Principles of Neurology, 6th ed, p670)
A light-sensitive neuroendocrine organ attached to the roof of the THIRD VENTRICLE of the brain. The pineal gland secretes MELATONIN, other biogenic amines, and neuropeptides.
Measurement of hearing based on the use of pure tones of various frequencies and intensities as auditory stimuli.
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