Primary Lymphoma of the Orbit
Huck N.1, Neußer A.1, Rüdiger T.2, Gronemeyer U.1
1 Dept. of Ophthalmology, Ruhr University Bochum; 2Institute for Pathology, University of Wuerzburg
Purpose: Primary lymphoid tumours of the orbit emerged form the mucosa associated lymphatic tissue are rare. They belong to the extranodal lymphomas. Clinically they appear as lid swelling with or without protrusion of the eyeball. Quite often they are misdiagnosed as prolapse of the orbital fat. These tumours can also occur as a manifestation of a systemic disease. Diagnosis should be confirmed as early as possible.
Method: Case report: 82 year old female patient was presented with a suspected prolapse of the orbital fat in our hospital. Diagnostic findings: circumscribed resistance of the right, temporal lower palpebra, no pain on palpation, an exophthalmos of 7 mm, hypertropia and restricted motility on the right eye, visual acuity of both eyes 0,5 due to cataracta senilis, Fundus: age-appropriate. Magnetic resonance imaging (MRI): contrast agent absorbing tumour in the course of both vertical muscles as well as below the M. rectus lat. right. Exclusion of an orbital varicosis by phlebography. After that biopsy and detection of an extranodal, marginalzone B-cell-lymphoma.
Results: After an adequate staging, the performance of a radiation followed with 36 Gy, 5x 1.8 Gy per week.Under the therapy definite recovery of the local statement. Tumour not palpable, no exophthalmos.
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