Patient :I got a lump the size of a 10 pence piece on the edge of my deltoid where it separates to the bicep. It is sitting under a bruise from hard impact to my arm the bruise has now yellowed. The lump isn't painful but causing discomfort and noticeablewhen moving. What could this be ? I am worried incase it is air trapped in the muscle or a blood clot. It has almost a throbbing sensation
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.