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Urologe A. 2014 Apr;53(4):563-74; quiz 575-6. doi: 10.1007/s00120-013-3378-z.

[Diagnostics and treatment of seminomatous germ cell tumors].

[Article in German]

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Klinik für Urologie und Kinderurologie, Universitätsklinikum Ulm, Prittwitzstr. 43, 89075, Ulm, Deutschland.


Currently, seminomas account for about 60% of newly diagnosed testicular cancers in Germany, with an increasing trend. In lower tumor stages the main focus is on the avoidance of over therapy. This is of special interest in stage I where radiotherapy, carboplatin monotherapy and surveillance are available therapies as well as in stage IIA/B. Due to high late toxicity, radiotherapy of the retroperitoneal space is obsolete for young patients with clinical stage I and, in its present form, discussed controversially for patients with clinical stage IIA/B. The cause for this paradigm shift is the high percentage of secondary malignancies resulting after radiotherapy of the retroperitoneal space. Furthermore, 10-25% of the patients receiving radiotherapy alone for clinical stage IIA/B seminoma suffer from a relapse of the disease due to tumor recurrence in extraregional lymph nodes. Therefore, an ongoing study is investigating if a combined treatment with neoadjuvant carboplatin and radiotherapy with a limited target volume can reduce toxicity without jeopardizing the cure rate. Patients with residual tumors >3 cm should undergo 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) computed tomography scanning after a minimum interval of 6 weeks after chemotherapy. In the case of a positive FDG-PET-CT result, the further therapeutic strategy should be the subject of interdisciplinary discussions.

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