The pilonidal sinus is a neoplasm located in the coccyx abnormally with skin and hair.
A dermatologist is a doctor who specializes in diseases of the skin, hair, nails and mucous membranes.
A doctor or family doctor is responsible for diagnosing and prescribing medical treatments to patients. The family doctor refers to patients where a specialist when a specific treatment is required.
A surgeon is a doctor who can prevent and diagnose a disease through surgery.
The hematologist is the doctor who specializes in blood diseases.
Remember that for the proper selection of health professional that treats pilonidal sinus you must consider the nature, severity and symptoms you are presenting.