Inside my back a cyst was removed several years ago--the size of an orange. Where the indentation still exists from the surgery, it is itchy and strange sensations come from that area. Could the cyst have come back? Should I be concerned or not?
Welcome to the ehealthforum and I am glad to help you out.
What you are having is a sebaceous cyst on the back. Treatment includes small surgical opening into the skin and removing the sac (excision biopsy). But recurrence is quite common which may be happening in your case. I suggest you to get the diagnosis confirmed from a dermatologist after examination.
Since you had surgical excision earlier, Carbon dioxide laser can be used to make small hole and cystic contents are gently squeezed out. Care is taken to keep the wall intact and then the cyst wall is taken out.
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