BRIAN C. LENTLE, M.D.; F.I. JACKSON, M.B.; T.A. MCPHERSON, M.D.
To the editor: Kirkwood and his colleagues do an injustice in reflecting that our data on the same subject lack validation (1). The validation is explicitly spelled out in our article as being derived from biopsy in five patients, major surgery in seven, autopsy in seven, and radiographic examination with or without clinical evidence in eight (2).
Like your contributors, we were not able to correlate every individual site of disease with objective evidence of metastases, but we explicitly examined this limitation by showing, using censored survival rates, that an abnormal 67Ga-citrate scan was associated with a shorter survival time.
LENTLE BC, JACKSON F, MCPHERSON T. Gallium Scanning and Melanoma. Ann Intern Med. ;98:1025. doi: 10.7326/0003-4819-98-6-1025_2
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Published: Ann Intern Med. 1983;98(6):1025.
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