Reyntjens I, De Groot V, Van Marck E, Tassignon M J
Department of Ophthalmology, University Hospital Antwerp, Belgium.
Bull Soc Belge Ophtalmol. 1998;268:163-9.
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.