DIscoloration, swelling, pain and firmness - Do I Have Fat Necrosis? (Photo)
Doctor Answers 2
Do I Have Fat Necrosis
The picture is a bit too close up to get an idea of what is going on, but this just looks like some scab, and is not particularly worrisome. Fat necrosis seems unlikely, but it is not a photo diagnosis, and the photo probably doesn't show the area in question. All the best. Keep your follow up appointments.
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It is not possible to tell if you have fat necrosis from your description or photo...it appears you have som superficial epidermolysis (a term describing a common injury to the top layer of skin in the areas that are dark). This may heal well, but should be kept moist. You should follow up with your original surgeon as an exam would help answer your question about fat necrosis.