Tumors, masses, or growths that are benign or cancerous may cause sciatica-like signs and symptoms if they occur in the lower spine or on the sciatic nerve (nerve tumors). Tumors of any type are a medical emergency and must be monitored and/or treated immediately.

How do you know if back pain is cancer?

When back pain is caused by a cancerous spinal tumor, it typically: Starts gradually and worsens over time. Does not improve with rest and may intensify at night. Flares up as a sharp or shock-like pain in the upper or lower back, which may also go into the legs, chest, or elsewhere in the body.

What else could sciatica symptoms be?

Numbness, tingling, or burning may also be felt along the nerve. Some people describe the nerve pain as electric-like. Conversely, sciatica symptoms may be experienced as more of a constant, dull pain. Medical terms used for sciatica include lumbar radicular pain and lumbar radiculopathy.