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The article deals with tumors of the anterior mediastinum. Various differential diagnoses for these tumors are mentioned, including thymomas, lymphomas, thyroid tumors, germ cell tumors, and teratomas. The diagnosis and treatment of these tumors often require surgical removal. Especially in cases of suspected teratoma, surgery is often the first step in diagnosis and therapy. The article provides an overview of the clinical differential diagnosis and emphasizes the importance of tumor size and securing central vascular structures in the decision for an open resection. [Extracted from the article]

Purpose: In the treatment of differentiated thyroid carcinomas the indication for adjuvant radiotherapy is discussed contradictory. The following study analyzes the long-term survival rates of patients with follicular and papillar thyroid carcinomas after percutaneous radiotherapy.Patients and Method: Records of 178 patients with differentiated thyroid carcinomas (132 female, median age 46 years; 46 male, median age 47 years) were evaluated. Following thyroid-resection and radioiodine therapy external beam irradiation was performed with a telecobalt device and high energy electrons (mean reference dose 54.7 Gy). Hundred and twenty patients (67.4%) had a histologically confirmed papillary carcinoma, 58 (32.6%) patients had follicular carcinoma. In the group with papillary carcinoma 57 patients (47.5%) were classified as stage I, 11 patients (9.2%) as stage II, 48 patients (40.0%) as stage III, 4 patients (3.3%) as stage IV, respectively, in the group with follicular carcinoma 21 patients (36.2%) were classified as stage I, 4 patients (6.9%) as stage II, 28 patients (48.3%) as stage III and 5 patients (8.6%) as stage IV. Survival, recurrence rate and prognostic factors were analyzed. [ABSTRACT FROM AUTHOR]