“Angiomiolipoma renal con áreas epitelioides a propósito de un caso”

Abstract

Introduction: The kidney tumors include various histological entities, from harmless cysts until very aggressive cancers. The kidney angiomyolipomas are uncommon entities that represent a challenge for diagnosis and management, classically the kidney angiomyolipomas hey have been considered as harmless neoplasms, however, two histological variants have been described, one of benign classic behavior and another epithelioid of aggressive behavior with difficult histological characterization and poor prognosis, which in 2004 was classified by the World Health Organization as potentially malignant neoplasms, which should be better studied. 1,2 Case Description: A 30-year-old woman, from the city of Ambato -Ecuador, , without a significant pathological history who presents with moderate abdominal pain and a note of increased volume in epigastrium and mesogastrium, imaging tests show the presence of mass in the left flank and hypochondrium shows fat density, The woman is admitted to the Surgery Service of the Regional Hospital of Teaching Ambato for a scheduled mass excision surgery and during the transoperative period it becomes a tumor excision + left nephrectomy. Histopathological study was received that reports lipomatous angiomyolipoma with epithelioid areas, patient is being monitored by external consultation of the entity, in stable condition, without the appearance of new lesions.