Rare Cervical Spine Neuroenteric Idem Cyst With Intramedullary Extension

Abstract

56-year-old man presented to us with progressive weakness of upper and lower limbs. He had gradually progressive neurological deterioration in the form of quadriparesis. MRI was suggestive of cervical cord SOL. The clinical, radiological, and surgical findings are discussed together with a brief critical review of the literature. The patient had no other associated anomalies. The intradural extramedullary component of cyst was removed totally with debulking of intramedullary part with good neurological recovery. The clinical presentation was rather atypical for neurenteric cyst. Neurenteric cyst should be considered in the differential diagnosis of an intradural mass lesion regardless of the age, clinical presentation or location of the lesion. HOW TO CITE THIS ARTICLE:

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“…The scattering matrix (S-matrix) model efficiently simulates the reflectance spectra for SPhP modes in the trenches. It is based on a set of normalized S-matrices, accounting for the propagation constant and impedance of the waves inside the structure and in free space. , The trench is considered a short transmission line and a fully reflective ( M = ( 1 infix− 1 infix− 1 1 ) ) base, as shown in Figure a. The overall S-matrix and reflectance of this short section is given by , S = ( true T 11 T 12 T 21 T 22 ) = M × ( true cos true( i β h true) − z 2 + z 0 2 2 z z 0 sinh true( i β h true) z 2 − z 0 2 2 z z 0 sinh true( i β h true) − z 2 − z 0 2 2 z z 0 sinh true( i β h …”

“…The scattering matrix (S-matrix) model efficiently simulates the reflectance spectra for SPhP modes in the trenches. It is based on a set of normalized S-matrices, accounting for the propagation constant and impedance of the waves inside the structure and in free space. , The trench is considered a short transmission line and a fully reflective ( ) base, as shown in Figure a. The overall S-matrix and reflectance of this short section is given by , …”