Background: We report a case of extramedullary plasmacytoma of the orb
it. This is a rare tumour which has uncommonly presented in the orbit.
Case report: A 58-year-old woman presented with painless proptosis, u
pper lid swelling and ptosis. Incisional biopsy was performed. Clinica
l findings and investigations were correlated to establish the diagnos
is. Treatment consisted of 35 Gy external beam radiotherapy. Conclusio
n: This condition is considered to be of low grade malignancy and as s
uch can be regarded as a separate entity to multiple myeloma involving
the orbit or solitary myeloma of bone in terms of treatment and progn
osis.