U.S. doctors online nowAsk doctors free
A 55-year-old female asked:

Sore lump on skull? size of a dime on the back of my head but on the hard bone behind my left ear but not near the ear, its on my head.

2 doctor answers2 doctors weighed in
Dr. Adam King
Internal Medicine and Pediatrics 17 years experience
Lymph node.: It sounds like a lymph node. These can pop up for many reasons. If it sticks around for more than 5 days, have a medical professional officially evaluate you.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Michael Fisher
Dermatology 34 years experience
Pilar Cyst: Pilar cysts are common, occurring in 5-10% of the population. Greater than 90% occur on the scalp, where pilar cysts are the most common cutaneous cyst. Pilar cysts are the second most frequent type of cyst on the head and neck. Pilar cysts are almost always benign, malignant transformation being extremely rare. Pilar cysts may be sporadic or may be autosomal dominantly inherited.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Mar 20, 2020

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.