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The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
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Primary spinal conus medullaris germinoma.

Yang Chen1, Chia-Wen Li2, Wei-Lung Tseng3

  • 1Surgery, Fu Jen Catholic University Hospital, New Taipei City, Taiwan.

BMJ Case Reports
|January 14, 2025
PubMed
Summary
This summary is machine-generated.

A young woman experienced back pain and leg weakness due to an intramedullary spinal cord germinoma. Despite surgery and radiation, the tumor recurred, highlighting challenges in treating these rare spinal cord tumors.

Keywords:
NeurooncologyNeurosurgerySpinal cord

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Area of Science:

  • Neuro-oncology
  • Spinal Cord Tumors
  • Neurosurgery

Background:

  • Intramedullary spinal cord tumors are rare, often presenting with progressive neurological deficits.
  • Germinomas are germ cell tumors that can occur in the central nervous system, including the spinal cord.
  • Diagnosis can be challenging, requiring a combination of imaging and biochemical markers.

Purpose of the Study:

  • To report a case of a young woman with an intramedullary spinal cord germinoma.
  • To discuss the diagnostic and therapeutic challenges associated with spinal germinomas.
  • To highlight the potential for recurrence despite multimodal treatment.

Main Methods:

  • Clinical presentation of progressive low back pain, leg weakness, and sphincter dysfunction.
  • Magnetic Resonance Imaging (MRI) revealing a 5 × 1.5 cm intramedullary tumor at the T12-L2 level.
  • Surgical excision of the tumor and histopathological confirmation of germinoma.
  • Postoperative assessment including MRI and localized radiation therapy.

Main Results:

  • Elevated preoperative beta-human chorionic gonadotropin (β-hCG) levels were detected.
  • Surgical excision confirmed the diagnosis of germinoma.
  • Postoperative MRI showed no residual or additional lesions initially.
  • Tumor recurrence was observed 10 months after initial treatment.

Conclusions:

  • Spinal cord germinomas, though rare, should be considered in young adults with relevant symptoms and elevated β-hCG.
  • Multimodal treatment including surgery and radiation may be effective, but recurrence is possible.
  • Long-term surveillance is crucial for patients treated for spinal cord germinomas.