open access

Vol 46, No 1 (2012)
OPIS PRZYPADKU
Submitted: 2011-02-21
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Symptomatic ganglion cyst of ligamentum flavum as a late complication of lumbar fixation

Massimo Miscusi, Vincenzo Petrozza, Filippo Maria Polli, Stefano Forcato, Carlo Della Rocca, Antonino Raco
DOI: 10.5114/ninp.2012.27344
·
Neurol Neurochir Pol 2012;46(1):82-86.

open access

Vol 46, No 1 (2012)
OPIS PRZYPADKU
Submitted: 2011-02-21

Abstract

We report the case of a 72-year-old man who underwent surgery for a mobile spondylolisthesis L4-L5. Six months later, magnetic resonance imaging revealed an extradural cyst of the ligamentum flavum at L5-S1, which was then removed. Histological examination revealed a ganglion cyst of the ligamentum flavum. Cyst formation could be explained primarily according to the natural history of chronic degenerative disease of spine elements. Nevertheless, we could also consider the cyst formation as demonstrative of an adjacent segment syndrome: hypermobility of the L5-S1 segment just below three fixed vertebral segments would have triggered the mechanical stress necessary for L5-S1 ligamentum flavum degeneration.

Abstract

We report the case of a 72-year-old man who underwent surgery for a mobile spondylolisthesis L4-L5. Six months later, magnetic resonance imaging revealed an extradural cyst of the ligamentum flavum at L5-S1, which was then removed. Histological examination revealed a ganglion cyst of the ligamentum flavum. Cyst formation could be explained primarily according to the natural history of chronic degenerative disease of spine elements. Nevertheless, we could also consider the cyst formation as demonstrative of an adjacent segment syndrome: hypermobility of the L5-S1 segment just below three fixed vertebral segments would have triggered the mechanical stress necessary for L5-S1 ligamentum flavum degeneration.

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Keywords

ligamentum flavum, ganglion cyst, lumbar fixation, adjacent segment syndrome

About this article
Title

Symptomatic ganglion cyst of ligamentum flavum as a late complication of lumbar fixation

Journal

Neurologia i Neurochirurgia Polska

Issue

Vol 46, No 1 (2012)

Pages

82-86

DOI

10.5114/ninp.2012.27344

Bibliographic record

Neurol Neurochir Pol 2012;46(1):82-86.

Keywords

ligamentum flavum
ganglion cyst
lumbar fixation
adjacent segment syndrome

Authors

Massimo Miscusi
Vincenzo Petrozza
Filippo Maria Polli
Stefano Forcato
Carlo Della Rocca
Antonino Raco

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