title: Biopsy in single extraocular muscle hypertrophy.
abstract: Single extraocular muscle hypertrophy is usually caused by an orbital pseudotumour. We present two cases in which unexpectedly a malignancy was diagnosed during work-up of a suspected orbital pseudotumour.
authors.affiliation: Department of Ophthalmology, University Hospital Antwerp, Belgium.
authors.forename: I
authors.initials: I
authors.lastname: Reyntjens
authors.forename: V
authors.initials: V
authors.lastname: De Groot
authors.forename: E
authors.initials: E
authors.lastname: Van Marck
authors.forename: M J
authors.initials: MJ
authors.lastname: Tassignon
mesh_terms: D000368:Aged; D001706:Biopsy / Q000379:methods; D001943:Breast Neoplasms / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D006984:Hypertrophy; D008228:Lymphoma, Non-Hodgkin / Q000175:diagnosis* / Q000473:pathology; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009801:Oculomotor Muscles / Q000473:pathology*; D009918:Orbital Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000556:secondary; D014065:Tonometry, Ocular; D014792:Visual Acuity