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Acute sarcoid neuropathy developed 4 months after the occurrence of a gastrointestinal stromal tumor (GIST).

Neurological manifestations occur in 5% of patients with sarcoidosis, and peripheral neuropathy (PN) is present in 1% (1). A few cases of real Guillain-Barre (GB) syndrome have been reported with a classic evolution and are generally considered as coincidental (2, 3). In a recent series of 4 cases with sarcoid neuropathy, one case with chronic inflammatory demyelinating polyneuropathy (CIDP) was initially considered as GB syndrome and a nerve biopsy was performed two years later (4). Said et al (5) have also reported a case presenting as a GB-like syndrome with lymphocytic reaction associated with elevated protein concentration in the cerebrospinal fluid (CSF) and whose muscle and nerve specimens exhibited noncaseated granulomas (NCG). We have recently observed such a patient, who is still suffering from motor difficulty, 11 months after the sudden onset of his neurological disease. Moreover, 4 months before his GB-like syndrome, our patient had removed a gastrointestinal stromal tumor (GIST). A possible relationship between this acute sarcoid neuropathy and such a rare tumor (6) deserves to be discussed. Clinical summary