3 doctors weighed in:

I have a small bump on my forehead. It has been there for a few months now. It's also hard (not soft). What are the possible diagnostics?

3 doctors weighed in
Dr. Michael Klein
Family Medicine
1 doctor agrees

In brief: A different cyst :-)

And now to answer your corrected question- this could be an inclusion cyst, epithelial cyst, or wen.
All are similar names for a cyst which is made when the glands that secrete oil into the skin coalese in to a balloon- they squirt a thick waxy white substance called cebum into the balloon which feels hard when pushed together. This can be easily removed surgically in office to prevent recurrence.

In brief: A different cyst :-)

And now to answer your corrected question- this could be an inclusion cyst, epithelial cyst, or wen.
All are similar names for a cyst which is made when the glands that secrete oil into the skin coalese in to a balloon- they squirt a thick waxy white substance called cebum into the balloon which feels hard when pushed together. This can be easily removed surgically in office to prevent recurrence.
Dr. Michael Klein
Dr. Michael Klein
Thank
Dr. Ronald Shelton
Dermatology

In brief: Hard bump forehead

New bumps on the head must be examined.
There are many possible causes. You must make sure it's benign. Usually the best advice is to get it removed to be sure it is benign. A skilled doctor may determine it's level (above the muscle or below, in the dermis of the skin, attached to the epidermis), whether it's mobile, smooth, painful, are clues. Possibilities:lipomas, cysts, infections, tumors.

In brief: Hard bump forehead

New bumps on the head must be examined.
There are many possible causes. You must make sure it's benign. Usually the best advice is to get it removed to be sure it is benign. A skilled doctor may determine it's level (above the muscle or below, in the dermis of the skin, attached to the epidermis), whether it's mobile, smooth, painful, are clues. Possibilities:lipomas, cysts, infections, tumors.
Dr. Ronald Shelton
Dr. Ronald Shelton
Thank
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