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The Pineal Gland

The Pineal Gland

The pineal gland, a diminutive endocrine structure named for its pinecone-shaped appearance, is situated atop the third ventricle within the diencephalon region of the forebrain. This gland, composed of secretory cells known as pinealocytes arranged in compact cords and clusters around dense particles of calcium salts, plays a pivotal role in hormonal regulation.
The primary secretion of the pineal gland is the hormone melatonin, derived from serotonin. The concentration of melatonin in the...

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Primary intrinsic chiasmal germinoma.

Nauman S Chaudhry¹, Faiz U Ahmad, Elizabeth Whittington

¹Departments of Neurological Surgery (NSC, FUA, JJM) and The Miami Project to Cure Paralysis, Pathology (EW), and Ophthalmology (NS), University of Miami Miller School of Medicine, Miami, Florida.

Journal of Neuro-Ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society

|January 27, 2015

Summary

Primary optic chiasm germinomas are rare intracranial tumors. This case report details a successful treatment of a 25-year-old woman with an optic chiasm germinoma, showing no detectable tumor after treatment.

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Area of Science:

Neuro-oncology
Ophthalmology
Neurosurgery

Background:

Intracranial germinomas commonly occur in the suprasellar and pineal regions.
Germinomas originating in the optic nerve or chiasm are exceptionally rare.

Observation:

A 25-year-old woman presented with an exophytic primary optic chiasm germinoma.
The patient underwent a partial tumor resection followed by radiation therapy.

Findings:

Magnetic resonance imaging (MRI) at 1-year follow-up revealed no detectable tumor.
The treatment strategy was effective in achieving complete tumor remission.

Implications:

This case highlights a rare presentation of intracranial germinoma.
Successful management of optic chiasm germinoma can be achieved with multimodal therapy.
Further research into rare germinoma locations is warranted.