Abstract:Introduction:
Retroperitoneal tumors are rare and account for less than 0.1% of all malignant tumors. Although we find more often benign tumors, malignant variants account for 85% of tumors. Once retroperitoneum has a heterogeneous content, there are innumerable non-endocrinological differential diagnoses for these lesions, such as sarcomas (among them the liposarcoma, the leiomyosarcoma and the fibrosarcoma), lymphoma, lipomas, leiomyomas, fibromas and teratomas. Cystic lymphangioma and hibernoma m… Show more
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