cervicomedullary junction


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Related to cervicomedullary junction: ataxia

cervicomedullary junction

The nexus between the most superior part of the spinal cord and the medulla oblongata of the brainstem.
See also: junction
References in periodicals archive ?
CSOM with 6th and 7th Nerve Palsy 3 Total 30 Table 4: Tumours That Produced MCN Tumours Counts Meningiomas 9 Schwannoma 5 Chordoma 2 Epidermoid Cyst 4 Gliomas 2 Craniopharyngioma 1 Pituitary Adenoma 3 Adenoid Cystic Carcinoma 1 Table 5: Localization of Lesion in the Nerves Localisation Counts Cavernous Sinus 12 Cerebellopontine Angle 15 Brain Stem 28 Nerve 86 Subarachnoid Space 26 Clivus and Skull Base 11 Vertebrae 1 Unknown 1 Cervicomedullary Junction 5 Sellar Tumours 4 Intra-orbital 1 Non-Localizing (MFS included) 10 Table 6: Cranial Nerve Combinations Common Combinations of Counts Cranial Nerve Involved IX, X 109 IX, X, VII 57 III, IV, VI 37 III, IV, VI 21 VIII, VII 18 VIII, V 14 III, IV, VI, V 7 III, IV, VI, V1, II 2
The fibers in the pyramidal decussation to the upper limbs are more superior and ventral and more medial than the lower limb fibers, which are located inferior and laterally at the cervicomedullary junction.
Magnetic resonance imaging (MRI) demonstrated that intradural extension resulted in brainstem compression and created an intimate relationship between the lesion and both the vertebral artery and the cervicomedullary junction (figure 1, B); the tumor also extended rostrally to the middle cerebellar peduncle (figure 1, C).