نتایج جستجو برای: embryonal carcinoma
تعداد نتایج: 396754 فیلتر نتایج به سال:
Several embryonal carcinoma (EC) cell lines were tested in culture for their ability to metabolize all-trans-[3H]retinol, all-trans-[3H]retinyl acetate, and all-trans-[3H]retinoic acid. There was little, if any, metabolism of all-trans-retinol to more polar compounds; we failed to detect conversion to acidic retinoids by reverse-phase high performance liquid chromatography and derivatization. W...
We report a case of an extragonadal germ cell tumor in the retrovesical region. The patient complained of a perineal and micturition pain. Urethrography, CT and MRI showed a retrovesical tumor protruding into the bladder. Alfa-fetoprotein was increased to 12,170 ng/ml. Bilateral testes did not contain any palpable mass by careful palpation. No tumor was detected by ultrasonography, either. Clin...
A lymph node metastasis specimen from a human testicular embryonal carcinoma with elements of a choriocarcinoma was successfully xenotransplanted into nude mice and maintained until the tenth animal passage. Electron microscopy of the tu mors in nude mice revealed details consistent with their epithelial origin. The xenotransplants retained the ability to synthesize human choriogonadotropic hor...
The clinical and pathological features of two patients with testicular germ cell tumour are described. The cases illustrate the area of gross and histological overlap between seminoma and solid embryonal carcinoma, for which there are useful distinguishing features which might aid diagnosis.
Primary germ cell tumors of lung are extremely rare. The prognosis is usually poor, with various symptoms seriously affecting quality of life. In this paper we describe the unique case of a patient affected by an embryonal carcinoma of lung and a testicular seminoma after ten years. We also report literature about pulmonary extragonadal germ cell tumors.
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