title: Hemangiopericytoma in perineal region.
authors.affiliation: Government Medical College, Haldwani, 263139 Uttarakhand India.
authors.forename: Geeta
authors.initials: G
authors.lastname: Jain
authors.affiliation: Government Medical College, Haldwani, 263139 Uttarakhand India.
authors.forename: Akanksha
authors.initials: A
authors.lastname: Lamba
authors.affiliation: Government Medical College, Haldwani, 263139 Uttarakhand India.
authors.forename: R C
authors.initials: RC
authors.lastname: Purohit
authors.affiliation: Government Medical College, Haldwani, 263139 Uttarakhand India.
authors.forename: K S
authors.initials: KS
authors.lastname: Sahi