Achondroplasia and cervicomedullary compression: prospective evaluation and surgical treatment.
Source/Author: Keiper GL Jr, Koch B, Crone KR. 

Basilar invagination in osteogenesis imperfecta and related osteochondrodysplasias: medical and surgical management.
Source/Author: PAUL D. SAWIN, M.D. and ARNOLD H H. MENEZES, M.D. 
Article about treating a rare complication in OI and spondyloepiphyseal dysplasia.

Cervical high-intensity intramedullary lesions without spinal cord compression in achondroplasia.
Source/Author: J. Marc C. van Dijk, Charlotte M. A. Lubout, Patrick A. Brouwer 
Full text
Medical journal article discussing the finding of a lesion in the cervical spinal cord in patients with neurogenic claudication symptoms.

Cervical high-intensity intramedullary lesions without spinal cord compression in achondroplasia.
Source/Author: van Dijk JM, Lubout CM, Brouwer PA. 
Article on the finding of apparently benign spinal cord signals at the level of cervical vertebrae 2.

Cervicomedullary decompression for foramen magnum stenosis in achondroplasia.
Source/Author: Bagley CA, Pindrik JA, Bookland MJ, Camara-Quintana JQ, Carson BS. 
Full text
Medical Journal article written by the pediatric neurosurgery team at Johns Hopkins about their experience with foramen magnum stenosis in achondroplasia and the surgical intervention of decompression.

Craniocervical decompression for cervicomedullary compression in pediatric patients with achondroplasia.
Source/Author: John Aryanpur, M.D., Orest Hurko, M.D., Clair Francomano, M.D., Henry Wang, M.D. and Benjamin Carson, M.D. 
Discussion of the surgical treatment of foramen magnum stenosis (also known as cervicomedullary compression).

Dynamic cervicomedullary cord compression and alterations in cerebrospinal fluid dynamics in children with achondroplasia. Report of four cases.
Source/Author: Danielpour M, Wilcox WR, Alanay Y, Pressman BD, Rimoin DL. 
AbstractArticle that discusses how MRI in neutral positions may not show cervicomedullary compression that occurs with the head in flexion and/or extension.

Hydrocephalus in Achondroplasia
Source/Author: Paul Steinbok, MD, Children's Hospital Vancouver, BC
Article in lay terms written for the Little People of British Columbia and re--printed in the LPA Today. Dr. Steinbok is a colleague of Dr. Judy Hall.

Neurosurgical aspects in achondroplasia: evaluation and treatment
Source/Author: Gil Z, Tauman R, Sivan J, Orr-Urtreger A, Constantini S.
Full text
Actual article in Hebrew, but this abstract provides a good overview of the possible neurosurgical/neurological complications in achondroplasia.