title: Familial HCG syndrome: A diagnostic challenge.
abstract: •This is a rare inheritable condition which results in raised total HCG levels.•Common causes of raised HCG need to be excluded prior to considering this syndrome.•A diagnosis can prevent unnecessary surgical or oncological treatment.
authors.affiliation: Department of Medical Oncology, Auckland City Hospital, New Zealand.
authors.forename: Alvin
authors.initials: A
authors.lastname: Tan
authors.affiliation: Department of Gynaecology and Obstetrics, Middlemore Hospital, New Zealand.
authors.forename: Anna-Marie
authors.initials: AM
authors.lastname: Van der Merwe
authors.affiliation: Department of Pathology, Middlemore Hospital, New Zealand.
authors.forename: Xunjun
authors.initials: X
authors.lastname: Low
authors.affiliation: Department of Medical Oncology, Auckland City Hospital, New Zealand.
authors.forename: Kathryn
authors.initials: K
authors.lastname: Chrystal
keywords: Chemotherapy; Ectopic pregnancy; Familial HCG syndrome; Gestational trophoblastic disease