Unilateral lateral mass hypertrophy: An extremely rare congenital anomaly of Atlas

A wide variety of congenital anomalies are observed around the craniovertebral junctional area. However, hypertrophied unilateral lateral mass of atlas in association with chiari-1 malformation leading to myelopathy is extremely uncommon. Herein we report a case of 28-year-old female who presented t...

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Bibliographic Details
Published inJournal of craniovertebral junction and spine Vol. 4; no. 2; pp. 73 - 75
Main Authors Das, Kuntal, Mehrotra, Anant, Sahu, Rabi, Srivastava, Arun, Jaiswal, Awadhesh, Behari, Sanjay
Format Journal Article
LanguageEnglish
Published India Medknow Publications 01.07.2013
Medknow Publications and Media Pvt. Ltd
Medknow Publications & Media Pvt. Ltd
Medknow Publications & Media Pvt Ltd
Wolters Kluwer Medknow Publications
Subjects
C1 lateral mass
Care and treatment
Case Report
Case studies
chiari malformation type 1
compressive myelopathy
Diagnosis
Hypertrophy
Ligaments
Medical imaging
NMR
Nuclear magnetic resonance
Patient outcomes
Patients
Postoperative period
Risk factors
Spinal cord
surgery
unilateral
India
compressive myelopathy
C1 lateral mass
unilateral
chiari malformation type 1
hypertrophy
surgery
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Summary:A wide variety of congenital anomalies are observed around the craniovertebral junctional area. However, hypertrophied unilateral lateral mass of atlas in association with chiari-1 malformation leading to myelopathy is extremely uncommon. Herein we report a case of 28-year-old female who presented to us with a high cervical compressive myelopathy. Imaging revealed bony hypertrophy involving right sided C1 lateral mass along with chiari malformation-type 1. She underwent transoral as well as posterior decompression followed by occipito-cervical fusion. The authors discuss their case in light of other such reported cases and present a review of the literature.
ISSN:0974-8237
0976-9285
DOI:10.4103/0974-8237.128534