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DOI: 10.1055/s-0029-1245330
© Georg Thieme Verlag KG Stuttgart · New York
Die Strahlentherapie als Therapieoption bei primären lokalisierten niedrig malignen orbitalen Lymphomen
Radiotherapy as Therapeutic Option for Primary Localised Orbital Lymphomas of Low MalignancyPublication History
Eingegangen: 13.1.2010
Angenommen: 4.3.2010
Publication Date:
17 June 2010 (online)

Zusammenfassung
Hintergrund: Auswertung der Wirksamkeit der Strahlentherapie als Therapie der Wahl bei der Behandlung der primären niedrig malignen lokalisierten orbitalen Lymphomen (St. IE) anhand von eigenen Fällen. Methoden: Retrospektiv wurde die Wirksamkeit einer Strahlentherapie bei 7 Patienten mit einem histologisch gesicherten primären lokalisierten niedrig malignen orbitalen Lymphom beurteilt. Die strahlentherapeutische Dosis betrug 40 Gy bei monolateralem und 36 Gy bei bilateralem Lymphom. Die Beobachtungszeit betrug 12 – 60 Monaten nach Ende der Behandlung (durchschnittlich 36 Monate). Ergebnisse: 6 Patienten erlangten eine komplette Regression innerhalb von 12 – 24 Monaten nach Bestrahlung. Bei 1 Patienten zeigte sich eine Zunahme der Tumorgröße 3 Monate nach Ende der Therapie, sodass anschließend eine Chemotherapie erfolgte. 2 Jahre nach der Chemotherapie war der Patient tumorfrei. Bei 2 Patienten kam es zu einer operationsbedürftigen Kataraktbildung. Schlussfolgerung: Bei Patienten mit orbitalen Lymphomen handelt es sich häufig um lokalisierte St.-IE-Tumoren niedriger Malignität. Die Strahlentherapie ist die Therapie der ersten Wahl. Laut der Literatur ist mit einer Erfolgsrate von > 90 % zu rechnen.
Abstract
Purpose: The aim of this study was to assess the efficacy of radiotherapy as first line therapy for the treatment of primary localised orbital lymphomas of low malignancy (St IE) based on our cases. Methods: 7 patients with histologically proven primary localised orbital lymphomas of low malignancy treated with radiotherapy were retrospectively reviewed. The dose was 40 Gy for unilateral and 36 Gy for bilateral lymphoma. The follow-up period was 12 – 60 months after the end of the therapy (mean follow-up period: 36 months). Results: Complete regression was achieved in 6 patients 12 – 24 months after the end of radiotherapy. In one patient an increase of tumour mass was observed 3 months after radiotherapy. Chemotherapy was subsequently performed and the patient was free of disease 2 years later. In 2 cases cataract surgery had to be performed for post-radiotherapy cataract formation. Conclusion: The majority of orbital lymphomas are localised St. IE tumours of low malignancy. Radiotherapy is the first-line therapy in these cases. Success rates of > 90 % are reported in the literature.
Schlüsselwörter
Orbita - Pathologie - okuläre Tumoren
Key words
orbit - pathology - ocular tumours
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Dr. Kleanthis Manousaridis
Klinik und Poliklinik für Augenheilkunde, Universität Rostock
Doberanerstr. 140
18055 Rostock
Phone: ++ 49/3 81/4 94 85 01
Fax: ++ 49/3 81/4 94 85 02
Email: klemanousaridis@kabelmail.de