Having a headache and numbness on one side of her body; thinking it was a common illness, Ms. Trinh Thi Thanh Tam (born in 1983 in Binh Thanh District, Ho Chi Minh City) went for a health check and was surprised to discover that she had a rare disease: ventricular arachnoid cyst. Not yet relieved from her worries, she unexpectedly had the good fortune to approach one of the best neurosurgeons in Vietnam and recover after a strange surgery.