| D015840 |
Oculomotor Nerve Diseases |
Diseases of the oculomotor nerve or nucleus that result in weakness or paralysis of the superior rectus, inferior rectus, medial rectus, inferior oblique, or levator palpebrae muscles, or impaired parasympathetic innervation to the pupil. With a complete oculomotor palsy, the eyelid will be paralyzed, the eye will be in an abducted and inferior position, and the pupil will be markedly dilated. Commonly associated conditions include neoplasms, CRANIOCEREBRAL TRAUMA, ischemia (especially in association with DIABETES MELLITUS), and aneurysmal compression. (From Adams et al., Principles of Neurology, 6th ed, p270) |
Cranial Nerve III Diseases,Third-Nerve Palsy,Oculomotor Nerve Disorders,Oculomotor Nerve Palsy,Oculomotor Nerve Paralysis,Oculomotor Neuropathy,Partial Third-Nerve Palsy,Third Cranial Nerve Diseases,Third-Nerve Paralysis,Total Third-Nerve Palsy,Nerve Disease, Oculomotor,Nerve Disorder, Oculomotor,Nerve Palsy, Oculomotor,Nerve Paralysis, Oculomotor,Neuropathy, Oculomotor,Oculomotor Nerve Disease,Oculomotor Nerve Disorder,Oculomotor Nerve Palsies,Oculomotor Nerve Paralyses,Oculomotor Neuropathies,Palsy, Oculomotor Nerve,Palsy, Partial Third-Nerve,Palsy, Third-Nerve,Palsy, Total Third-Nerve,Paralysis, Oculomotor Nerve,Paralysis, Third-Nerve,Partial Third Nerve Palsy,Partial Third-Nerve Palsies,Third Nerve Palsy,Third Nerve Paralysis,Third-Nerve Palsies,Third-Nerve Palsies, Partial,Third-Nerve Palsy, Partial,Third-Nerve Palsy, Total,Third-Nerve Paralyses,Total Third Nerve Palsy,Total Third-Nerve Palsies |
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| D020432 |
Trochlear Nerve Diseases |
Diseases of the fourth cranial (trochlear) nerve or its nucleus in the midbrain. The nerve crosses as it exits the midbrain dorsally and may be injured along its course through the intracranial space, cavernous sinus, superior orbital fissure, or orbit. Clinical manifestations include weakness of the superior oblique muscle which causes vertical DIPLOPIA that is maximal when the affected eye is adducted and directed inferiorly. Head tilt may be seen as a compensatory mechanism for diplopia and rotation of the visual axis. Common etiologies include CRANIOCEREBRAL TRAUMA and INFRATENTORIAL NEOPLASMS. |
Cranial Nerve IV Diseases,Fourth Cranial Nerve Diseases,Fourth Cranial Nerve Palsy,Fourth Nerve Palsy,Neurogenic Superior Oblique Palsy,Superior Oblique Myokymia,Superior Oblique Palsy, Neurogenic,Trochlear Nerve Disorders,Trochlear Nerve Palsy,Trochlear Neuropathy,Fourth Nerve Palsies,Myokymia, Superior Oblique,Myokymias, Superior Oblique,Neuropathies, Trochlear,Neuropathy, Trochlear,Palsies, Fourth Nerve,Palsies, Trochlear Nerve,Palsy, Fourth Nerve,Palsy, Trochlear Nerve,Superior Oblique Myokymias,Trochlear Nerve Disease,Trochlear Nerve Disorder,Trochlear Nerve Palsies,Trochlear Neuropathies |
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