Abstract
Chondromas are rare, benign tumors composed of cartilaginous tissue that mainly affect the metaphases of long tubular bones. Juxtacortical (periosteal) chondromas arise from the surface of periosteum and rarely affect the cervical spine. We present a patient with a spinal juxtacortical chondroma causing spinal cord compression and a cervical deformity treated with surgical resection and circumferential spinal fixation and stabilization.A 55-year-old female with past medical history of Crohn’s disease with years of neck pain, balance issues, and left upper extremity radicular symptoms. Cervical spine x-rays show kyphosis with an apex at C5, degenerative changes of the endplates and facet joints, and grade 2 anterolisthesis C4 on C5 with no abnormal motion with flexion/extension. MRI showed a left sided C5-6 extramedullary mass measuring 11 x 11 x 15 mm causing spinal cord compression and neural foraminal narrowing. Her pain is worsening and refractory to physical therapy, gabapentin and methocarbamol.A C4-5 & C5-6 anterior cervical discectomy and fusion, C4-5 & C5-6 laminectomy for tumor resection, and C4-5 & C5-6 posterior fusion with instrumentation was performed. The tumor was completely removed in piecemeal fashion. Microscopic findings showed bland well differentiated cartilaginous neoplasm consistent with juxtacortical chondroma. Postoperative X-rays show partial reduction of C4-5 anterolisthesis and partial reversal of cervical kyphosis. The patient’s radicular pain resolved and neck pain improved postoperatively but she still has some left sided neck pain and hand dysesthesias that are controlled with oral medication one year following surgery.Cervical chondromas are rare, benign cartilaginous tumors that may present with spinal cord or nerve root compression. They are more complex when they present in patients with co-existing spinal deformities. Maximal safe resection followed by spinal re-alignment and fixation without adjuvant chemotherapy or radiation is recommended in most cases. Close follow-up is recommended to monitor for recurrence.
Highlights
Maximal safe resection followed by spinal re-alignment and fixation without adjuvant chemotherapy or radiation is recommended in most cases
Chondromas are rare, benign tumors composed of cartilaginous tissue that mainly affect the metaphases of long tubular bones, especially the proximal humerus and distal femur [1,2]
These tumors are categorized as juxtacortical chondromas that arise from the surface of periosteum, enchondromas that arise from within the bone marrow or enchondromatosis, which is a form of osteochondrodysplasia characterized by a proliferation of enchondromas
Summary
Chondromas are rare, benign tumors composed of cartilaginous tissue that mainly affect the metaphases of long tubular bones, especially the proximal humerus and distal femur [1,2]. A 55-year-old female with past medical history of Crohn’s disease controlled with IV infusions of golimumab, a TNF alpha inhibitor, presents with years of worsening neck pain and left arm pain with associated numbness in a C6 distribution that is refractory to physical therapy and conservative therapy She has been taking prednisone intermittently for years due to her Crohn’s disease. The C4 cephalad endplate and C6 caudal endplate were used to calculate Cobb angles She remains neurologically intact with significantly improved left sided sharp radicular pain but has persistent left hand dysesthesia and left sided neck pain requiring relief with gabapentin and occasionally methocarbamol one year after surgery. Follow-up MRI at one year showed no tumor recurrence
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