Descriptors Found: 1
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Descriptor English:   Trochlear Nerve Diseases 
Descriptor Spanish:   Enfermedades del Nervio Troclear 
Descriptor Portuguese:   Doenças do Nervo Troclear 
Synonyms English:   Cranial Nerve IV Diseases
Fourth Cranial Nerve Diseases
Fourth Cranial Nerve Palsy
Fourth Nerve Palsies
Fourth Nerve Palsy
Myokymia, Superior Oblique
Myokymias, Superior Oblique
Neurogenic Superior Oblique Palsy
Neuropathies, Trochlear
Neuropathy, Trochlear
Palsies, Fourth Nerve
Palsies, Trochlear Nerve
Palsy, Fourth Nerve
Palsy, Trochlear Nerve
Superior Oblique Myokymia
Superior Oblique Myokymias
Superior Oblique Palsy, Neurogenic
Trochlear Nerve Disease
Trochlear Nerve Disorder
Trochlear Nerve Disorders
Trochlear Nerve Palsies
Trochlear Nerve Palsy
Trochlear Neuropathies
Trochlear Neuropathy  
Tree Number:   C10.292.850
Definition English:   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. 
Indexing Annotation English:   neopl: coord IM with CRANIAL NERVE NEOPLASMS (IM) + histol type of neopl (IM)
History Note English:   2000 
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
CI chemically induced CL classification
CO complications CN congenital
DI diagnosis DG diagnostic imaging
DH diet therapy DT drug therapy
EC economics EM embryology
EN enzymology EP epidemiology
EH ethnology ET etiology
GE genetics HI history
IM immunology ME metabolism
MI microbiology MO mortality
NU nursing PS parasitology
PA pathology PP physiopathology
PC prevention & control PX psychology
RT radiotherapy RH rehabilitation
SU surgery TH therapy
UR urine VE veterinary
VI virology  
Record Number:   34307 
Unique Identifier:   D020432 

Occurrence in VHL: