title: Fourth nerve palsy associated with almost complete absence of the superior oblique muscle.
authors.forename: Daniel M
authors.initials: DM
authors.lastname: Gore
authors.forename: Nabeel N
authors.initials: NN
authors.lastname: Malik
mesh_terms: D003937:Diagnosis, Differential; D004172:Diplopia / Q000175:diagnosis / Q000209:etiology*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D009801:Oculomotor Muscles / Q000002:abnormalities*; D020432:Trochlear Nerve Diseases / Q000150:complications* / Q000175:diagnosis