SPATIO-TEMPORAL MIGRATION PATTERNS OF PACIFIC SALMON SMOLTS IN RIVERS AND COASTAL MARINE WATERS.


Sclerotic lumbar chordoma: A case report

Chordoma is a rare tumor, often occurring in the cervical spine and sacrococcygeal spine with a lytic appearance, but rarely in the thoracolumbar spine.Chordomas can occasionally be sclerotic and are included in the differential diagnosis Gift sets for an ivory vertebra.We present a case of a sclerotic chordoma in an upper lumbar vertebral body wit

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