A member 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 doctors weighed in across 2 answers

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.

Answered 9/28/2016

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See below: Sounds more like venous insufficiency. Should be evaluated by doctor.

Answered 4/24/2015

4.9k views

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