UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0608

Question:
A neonate is noted to have a unilateral orbital axial proptosis and secondary conjunctival chemosis and exposure keratopathy. Investigations reveal orbital enlargment without a bony defects with encasement of the optic nerve by a mass. Otherwise the newborn is a healthy, full-term infant. Histology following surgical resection reveals a multilobulated heterogeneous mass, with focal punctate calcification and fatty regions. A likely diagnosis is :

a) Pseudotumor
b) orbital teratoma
c) Optic neuritis
d) sarcoidosis
e) Optic glioma