Lump causing my head to be deformed

I have a weird lump on my head under my scalp but on top of my skull. It runs along the top of my head like a mohican. Its actually like a raised ridge with an indent either side and is growing longer and higher.I am experiencing a bit of pressure and get slight dull headaches where the lump or ridge is. I have not had a bump of any kind and its appeared rather quickly about 8 weeks ago. ...click here to continue

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