RICHARD F. PINO, M.D.
It is not too uncommon to find in the literature cases first diagnosed as Guillain-Barré syndrome that eventually prove to be porphyria. This contingency usually occurs when an alert observer notices the dark urine characteristic of porphyria, or when, in spite of a normally colored urine, the symptomatology makes one suspicious and, on examining the urine, one finds the pathognomonic porphyrins or precursors. Although in the case herein reported porphobilinogen and uroporphyrin were found in the urine after a diagnosis of acute infectious polyneuritis had been made, it is held that acute infectious polyneuritis was the primary diagnosis, with the
PINO RF. GUILLAIN-BARRÉ SYNDROME ASSOCIATED WITH PORPHYRINURIA1. Ann Intern Med. ;53:600–607. doi: 10.7326/0003-4819-53-3-600
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Published: Ann Intern Med. 1960;53(3):600-607.
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