Patients and methods We present a 57-year-old white man with progressi
ve deterioration of vision, who had a prolonged history of weakness, m
igratory arthralgias and loss of weight. Bilateral panuveitis, with ir
itis, inflammatory vitreous opacities associated with small, round, gr
ayish retinal lesions. The duodenum showed a swollen mucosa, which was
flecked over with pinpoint grayish grains. A small-bowel biopsy discl
osed PAS-positive granules in the macrophages of the lamina propria mu
cosa, pathognomonic of Whipple's disease. Results After antibiotic tre
atment with trimethoprim and sulfamethoxazole there was no relapse of
the panuveitis during the follow-up period of 18 months.