Case report on a 44-year-old woman in good health with the symptoms of
epiphora, a plump elastic, not distressing swelling under the medial
canthal tendon of 1 cm size on the right side. In ultrasonography and
intraoperatively a tumour of moderate reflectivity with infiltration o
f the lacrimal sac was found. The histological evaluation, including i
mmunohistochemical studies of the removed lesion, revealed a malignant
B-cell lymphoma.