Inadequately irradiated solitary extramedullary plasmacytoma of the orbit requiring exenteration.
OBJECTIVE
To emphasize that solitary orbital extramedullary plasmacytoma, a rare tumor, is not invariably radiosensitive.


METHODS
We examined a patient who had undergone empirical irradiation that failed to control an orbital tumor.


RESULTS
After a second biopsy had secured the diagnosis of a solitary extramedullary plasmacytoma, further irradiation proved ineffective and exenteration was required. The patient was free of recurrence one year after exenteration and had satisfactory cosmesis with a prosthesis.


CONCLUSIONS
A histologic diagnosis is essential before treatment is commenced so that the correct radiation dosage is used.
Adnexal Service, Moorfields Eye Hospital, London, United Kingdom.
E
E
Ezra
G
G
Mannor
J E
JE
Wright
G E
GE
Rose
D000328:Adult; D001706:Biopsy; D004307:Dose-Response Relationship, Radiation; D015353:Eye Enucleation; D006801:Humans; D008297:Male; D009918:Orbital Neoplasms / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery*; D010954:Plasmacytoma / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery*; D014057:Tomography, X-Ray Computed; D017211:Treatment Failure