A lumbar puncture (LP) is done on a patient to rule out a spinal cord tumor. The cerebrospinal fluid (CSF) is xanthochromic, has increased protein, no cells, and clots immediately. What syndrome do these findings describe?

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The findings of xanthochromia, increased protein, no cells, and immediate clotting of CSF are consistent with Froin's syndrome, which is characterized by blockage of the spinal canal or spinal subarachnoid space by a spinal cord or epidural tumor, resulting in limited spinal fluid movement and the development of blood clots. Other symptoms of Froin's syndrome may include back pain, neurological deficits, and radicular pain. Glasgow's and reflex syndromes are not associated with CSF findings, and "cord tumor syndrome" is not a recognized medical term.

A Lumbar Puncture (LP) Is Done on a Patient to Rule