What Causes A Pea Sized Lump On The Back Of The Head?

Posted on Fri, 11 Aug 2017

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Fri, 11 Aug 2017 Answered on

Tue, 29 Aug 2017 Last reviewed on

Question : I have a hard pea size lump under the scalp at the back of my head it started a few days was very tender and got bigger over the day but then shrunk back to pea size it's not as tender as it was but is very hard could you offer any advise in what could cause this

Answered by Dr. Grzegorz Stanko (1 hour later)

Brief Answer:
Sebaceus cyst.

Detailed Answer:
Hello!

Thank you for the query.

Most likely you have a benign lesion called sebaceous cyst. It is filled with whitish stuff lump covered with a capsule. It may become infected. This is when it gets bigger and painful.
And infection is the reason you should have it removed. Please consult a general surgeon and consider its removal.

Hope this helps.
Regards.

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar