A cyst that resembles a "sack of marbles" has been seen growing on the scalp since childhood has been removed recently by doctors at the Sri Sathya Sai Institute of Higher Medical Sciences. The 52 year old woman's cyst was identified with MRI scan. There was no recurrence after 6 months of follow-up.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/sack-of-marbles-growing-on-bengaluru-womans-scalp-removed-know-what-it-means/articleshow/102351433.cms