Hi,Dear thanks for the query to HCM virtual clinic.
I studied your query in full details updated from you.I understood your health concerns.
Based on your query data, In my opinion ,Dear You seems to suffer from-Chronic Boil and or Sebaceous Cyst with perifolliculitis,on back of your head since 1 yr,mostly with
seborrhoeic dermatitis of
scalp with
dandruff.This is the cause of these lumps and it correlation with facts of your query.
Gp doctor and
dermatologist and Surgeon would be needed to fix these health issue with you.
AS the matter is for 1 yr I would suggest CT study to evaluate local implications of Chronic Boil and or Sebaceous Cyst with perifolliculitis.
Hope this reply would help you to evaluate your case and treat it with your doctors in time to come.
Hope this would resolve your query and worry and
Anxiety accompanied with it.
Welcome for any further query in this regard to ME.I would love to help you out.
Awaiting for any further query.
Wish you fast recovery from this intriguing health problem.
Have a Good Day.
Dr.Savaskar M.N.
M.S.Genl-CVTS -Senior Surgical Consultant