It seems that you may be having skin tags
..also called achrocordon.
You are having lesions on buttock and neck.
The lesions are benign and harmless.
They are simple growths of skin.
The treatment is simple.
Excision with electrocautery under local anaesthesia may be done.
The procedure is OPD procedure.
You consult dermatologist
and go ahead for treatment.
I hope you got my answer.
Dr. Ilyas Patel MD