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Increased numbers of blood vessels (angiogenesis or neovascularization) in certain primary tumors correlates with an increased risk for metastatic disease. We therefore conducted a blinded review of the resected testicular germ cell tumors of 65 clinical stage A patients to evaluate the usefulness of angiogenesis in identifying those patients with(More)
The light and electron microscopic morphology of two renal parenchymal tumors was consistent with the diagnosis of renal oncocytoma. Both tumors had a mosaic chromosome pattern of cells with normal and abnormal karyotypes. No recurrent chromosome aberration and also no rearrangement of chromosome 3p was found. Restriction analysis of the mitochondrial DNA(More)
Risk factor analysis to identify low-risk patients for occult metastatic disease (vascular invasion, percentage embryonal carcinoma, MIB-I proliferation rate) yields reliable results if performed by experts. A correct prediction is possible at the 90% level. Similar accuracy, however, may be achieved if the computed tomography (CT) staging is optimized and(More)
In all, 30% of patients felt to have clinical stage A nonseminomatous testis cancer in fact have pathologic stage B disease. Although patients with clinical stage A nonseminoma currently enjoy a very high change for cure, a better assignment of therapy at diagnosis could lead to an overall decrease in the morbidity of treatment. This study analyzed(More)
Inflammatory myofibroblastic tumors rarely occur in the urinary bladder. These masses follow an indolent course, but due to their histologic similarities to more malignant types of bladder masses, they must be differentiated with immunohistochemical staining. Once diagnosed, the mainstay of treatment for these masses is surgical resection. Due to(More)
Clinical staging in patients with stage I non-seminomatous germ cell tumors (NSGCTs) of the testis fails in 30% to correctly assess pathological stage since microscopic and small-volume retroperitoneal disease is not detectable on computed tomography of the abdomen. Patients staged by retroperitoneal lymph node dissection as pathological stage I incur a(More)
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