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Where is the porta pedis?

Posted by BrianJ on 9/05/02 at 10:03 (094518)

Where precisely is the porta pedis? I know it is on the medial aspect of the foot/ankle, but can find no anatomical chart providing specific information. I have swelling where the plantar plane of the foot meets the medial plane, directly south of the posterior aspect of the medial malleolus. Could this evidence a distal TTS?

Re: Where is the porta pedis?

Ed Davis, DPM on 9/06/02 at 22:16 (094661)

The porta pedis is an area on the medial aspect of the foot where the branches of the posterior tibial nerve enter the foot. If you observe an antomical diagram, look for the area where the nerve branches enter the foot (beneath the abductor hallucis muscle) and you have identified the porta pedis. Yes, the area of swelling you describe could be associated with a distal tarsal tunnel syndrome.
Ed

Re: Where is the porta pedis?

Ed Davis, DPM on 9/06/02 at 22:16 (094661)

The porta pedis is an area on the medial aspect of the foot where the branches of the posterior tibial nerve enter the foot. If you observe an antomical diagram, look for the area where the nerve branches enter the foot (beneath the abductor hallucis muscle) and you have identified the porta pedis. Yes, the area of swelling you describe could be associated with a distal tarsal tunnel syndrome.
Ed