A bruised ego would suggest damage to one's self-image, self esteem or ego identity. I searched Google under the key words "Freud Erikson 'self-image'" to get these possible sources:
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What if one's ego identity were negative? Would that be a bruised ego?
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.