A 19 yrs old young girl with previous history of repeated pain over medial canthus and chronic use of nasal decongestants, presented with abrupt onset of fever with chills and rigor, diplopia on lateral gaze, moderate proptosis and chemosis.On examination optic disc is congested.Most likely diagnosis is -

A 19 yrs old young girl with previous history of repeated pain over me

1.	A 19 yrs old young girl with previous history of repeated pain over medial canthus and chronic use of nasal decongestants, presented with abrupt onset of fever with chills and rigor, diplopia on lateral gaze, moderate proptosis and chemosis.On examination optic disc is congested.Most likely diagnosis is -
A.	Acute Ethmodal sinusitis
B.	Orbital apex syndrome
C.	Cavernous sinus thrombosis
D.	Orbital cellulitis
Answer» D. Orbital cellulitis