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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
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Spinal Nerves: Plexus II01:21

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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
The Lumbar Plexus
The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
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Related Experiment Video

Updated: Feb 13, 2026

Author Spotlight: Insights and Innovations in Gene Expression Manipulation Techniques for Choroid Plexus Research
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Ectopic Choroid Plexus Papilloma.

Shalaka Khade1, Asha Shenoy1

  • 1Department of Pathology, Topiwala National Medical College and BYL Nair Charitable Hospital, Mumbai, Maharashtra, India.

Asian Journal of Neurosurgery
|March 2, 2018
PubMed
Summary
This summary is machine-generated.

Choroid plexus papilloma, a rare brain tumor, can occur outside the brain. This case highlights a spinal manifestation, emphasizing the need for broad differential diagnoses in neuro-oncology.

Keywords:
Choroid plexus papillomaectopic neoplasmextramedullaryintradural

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Area of Science:

  • Neuro-oncology
  • Pathology

Background:

  • Choroid plexus papillomas (CPPs) are rare neoplasms typically found in the brain's ventricles.
  • Intracranial CPPs are more common in adults (fourth ventricle) and children (lateral ventricles).

Observation:

  • A 57-year-old male presented with a few weeks of backache.
  • MRI revealed an intradural, extramedullary lesion at the D8 spinal level.
  • Histological examination showed characteristic papillary structures with a fibrovascular core.

Findings:

  • Immunohistochemistry confirmed the diagnosis with positive staining for vimentin, glial fibrillary acidic protein (GFAP), synaptophysin, S-100 protein, and cytokeratins (CK, CK7).

Implications:

  • This case expands the known presentation spectrum of choroid plexus papilloma.
  • Highlights the importance of considering rare tumors in spinal oncology.
  • Suggests potential for CPPs to occur as extramedullary lesions outside the central nervous system.