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Spinal Cord Biopsy (with Guided Imaging) – Tissue Analysis

Published: August 9, 2026Updated: August 16, 2026

This test involves a surgical procedure where a small sample of spinal cord tissue is collected under imaging guidance for detailed examination. It helps diagnose conditions affecting the spinal cord, such as tumors, infections, or inflammatory diseases.

Quick summary

["A spinal cord biopsy may be needed if other tests or symptoms suggest a serious spinal issue requiring direct tissue analysis."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
88316-5
Short code
CT Guided Spinal cord Bx
Synonyms
CT Guided Spinal cord Bx
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ct
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What Is a Spinal Cord Biopsy?

A spinal cord biopsy is a surgical procedure where a small piece of spinal cord tissue is removed through a small incision. This tissue is then sent to a lab for microscopic examination to identify abnormalities like tumors, infections, or autoimmune responses. The procedure is guided by imaging (such as CT or MRI) to ensure precision and minimize risk.

Why Might You Need This Test?

You may require this test if you have unexplained symptoms like persistent back pain, weakness, numbness, or loss of bladder/bowel control. It could also be needed if imaging studies (like MRI) show suspicious lesions or if other tests (such as bloodwork or spinal fluid analysis) suggest a spinal condition that needs confirmation.

Preparation for the Procedure

Before the biopsy, your healthcare provider will discuss risks, benefits, and alternatives. You may need to stop certain medications (like blood thinners) and prepare by fasting or adjusting your diet. Follow all pre-procedure instructions carefully to ensure safety.

What Happens During the Procedure?

The procedure is typically performed under general anesthesia. A needle or small incision is made under imaging guidance to collect tissue from the spinal cord. The area is carefully monitored for bleeding or complications. Recovery usually involves rest and monitoring for a short period.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

How does this test help doctors?
This test provides direct evidence of spinal cord pathology, such as identifying cancer cells, detecting infections (e.g., tuberculosis), or confirming autoimmune diseases like multiple sclerosis. It can also rule out conditions like spinal cord compression or inflammatory disorders that may not show up on other tests.
What are the risks of this procedure?
Risks include infection, bleeding, nerve damage, or rare complications like spinal cord injury. Your doctor will weigh these risks against the potential benefits of diagnosis.
How long does it take to get results?
Results may take several days to weeks, depending on lab analysis and pathology review. Your doctor will discuss findings with you once they are ready.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy