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A 45-year-old female asked:

can a lesion in the thecal sac at l4 somehow cause cyanosis or blueness in the feet that quickly resolves when the feet are elevated?

2 doctor answers • 2 doctors weighed in
Dr. John Goldman
Dr. John Goldmananswered
Rheumatology 55 years experience
No: See your doctor and get clarification this is not from the thecal sac. This sounds more like blood pooling and acrocyanosis. The blood pools at the bottom of your legs and more oxygen is removed from the red cells therefore the blue color.
4.9k viewsAnswered >2 years ago
Thank
Dr. Robert Benz
Dr. Robert Benzanswered
Nephrology and Dialysis 47 years experience
See below: Sounds more like venous insufficiency. Should be evaluated by doctor.
4.9k viewsAnswered >2 years ago
Thank

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Last updated Sep 28, 2016

People also asked

If pelvic MRI reveals an enhancing lesion in the thecal sac of L4 that is about .7 CM and radiologist recommends spinal MRI to further evaluate, what other evaluation is usually necessary?
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What types of tumors, infections or other processes could cause a .7 x .8 CM enhancing lesion in the left lateral aspect of thecal sac at L4 level? I assume this is called intradural, extramedullary?
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