In a medium-sized mixing bowl, combine mayonnaise, both mustards, egg, salt, pepper and Worchestershire sauce. Stir until thoroughly combined.
In a separate mixing bowl combine crab meat with panko. Stir well to coat.
Add panko covered crab meat to the wet mixture and stir well.
Remove 1/3 to 1/2 of the mixture and pulse in a mini chopper or food processor.
Once the mixture is like a lumpy paste, return it to the bowl with the other crab meat and combine.
Form into 6 patties, using your hands and place on a plate.In a large skillet, heat oil.Add crab cakes and cook approximately 5 minutes and then turn over carefullt. Cook for another 4-6 minutes or until golden brown on both sides.
Serve with fresh tartar sauce.