The lesion that you describe does not sound like an STD. Unless your anus was involved in the sexual activity, the itching you experienced following sex was unlikely to be an STD as well. STDs are spread by CIRECT contact.
As for the ridge of skin you describe, this description in no way sounds like an STD. I suspect that what you are describing is some other dermatological process. I would suggest you ask you regular doctor for a referral to a dermatologist.
Finally, regarding your exposure and the broken condom, it is time for you to stop worrying about this. You have been tested for STDs and the tests are negative. Please realize that even if your partner had an STD when the condom broke (chances are that she did not) most exposures to infected sex partners do not lead to transmission of the STD.
Please let us know what the dermatologist says. EWH
almost everytime after i have sex i have this pain by my testis,***,left feet on the joint,when i urinate and my penis itchis a little after the pain last for about 2 days is it an sti