If you have a few in number and it is not a new situation, or really changing, then maybe not. However, if they have been sore for more than a few days, you will want to get a diagnosis. A visit to a dermatologist would relieve the situation and perhaps cure the problem that is causing them.
Yes looks ALOT like a tumor(my brother had one.
Yes, a cyst can cause head pain to be chronic and daily. See your doctor for diagnosis and treatment of your headache.
Kidney or urinary lowdensity head in this example a cyst
because it developed a cyst. I have one too. In time the cyst will solidify and can only be removed by a surgeon.
Yes, if he had a cyst before that was removed, it be should be checked out by a doctor.
It it's a cyst, it needs to be excised (cut out). See a doctor.
A smelly lump on the back of the head may be an infected abscess. It could also be a sebaceous cyst.
It is probably a cyst. A vet will have to remove it to dissect it to know what the exact cause of it is.
A facetal cyst is a type of cyst that exists in the lumbar spine. This type of cyst is also referred to as a synovial cyst.
Cyst can turn out to be a pustule but a pustule cannot be a cyst.
It could be a boil, a cyst, or possibly cancer.
A Nathbathiam cyst is a cyst that has a strange coloration of purple, like you would see on a bruise. these types of cyst are deadly and can only be removed with painful sugery
A cyst developing in between the two layers of the parametrium is a parametrial cyst.