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Primary Caudal Tumors

Michael Scott, M.D.
JAMA. 1962;180(8):702. doi:10.1001/jama.1962.03050210064022.
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To the Editor:—  Although Norstrom, Kernohan, and Love recently stressed (JAMA178:1071 [Aug. 16] 1961) the importance of spinal fluid evaluation and myelography in ruling out tumors of the filum terminale and conus as among the causes of low back and sciatic pain, the authors did not mention the article by Craig et al. (JAMA 149:750, 1952) which also reported that tumors at a slightly higher level than the conus, i.e., the epiconus or low thoracic cord, could also produce similar pain.The writer also reported (JAMA160:528, 1956) 3 tumors of the high thoracic spinal cord and one of the upper cervical cord that produced lower extremity pain as an initial and persistent symptom before signs of cord involvement appeared.Thus, tumors at any level of the spinal cord or cauda equina can produce lower extremity pain as an early and perplexing localizing symptom. However lesions in


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