Department of Pathology, Hassan II University Hospital, Fez 30000, Morocco.
Diagn Pathol. 2013 Jun 25;8:107. doi: 10.1186/1746-1596-8-107.
Teratomas are neoplasms that arise from pluripotent cells and can differentiate along one or more embryonic germ lines. Renal teratoma is an exceedingly rare condition. Teratomas commonly arise in the gonads, sacrococcygeal region, pineal gland, and retroperitoneum. They present mainly as an abdominal mass with few other symptoms. Majority of the tumors are benign, situated on the left side and para renal, occasional lesions are bilateral. If diagnosed early, they are amenable to curative excision.Renal teratomas are rare and most have been dismissed as cases of teratoid nephroblastomas or retroperitoneal teratomas secondarily invading the kidney. The differentiation between these two neoplasms in the kidney is often problematic.We present a case of intrarenal immature teratoma in a six-month-old baby girl.
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畸胎瘤是一种起源于多能细胞并能沿着一个或多个胚胎生殖系分化的肿瘤。肾畸胎瘤是一种极其罕见的疾病。畸胎瘤通常发生在性腺、骶尾部、松果体和腹膜后。它们主要表现为腹部肿块，很少有其他症状。大多数肿瘤为良性，位于左侧和肾旁，偶尔病变为双侧。如果早期诊断，它们可以通过治愈性切除来治疗。肾畸胎瘤很少见，大多数被认为是畸胎瘤性肾母细胞瘤或腹膜后畸胎瘤继发侵犯肾脏的病例。这两种肿瘤在肾脏中的区别常常存在问题。我们报告一例 6 个月大女婴的肾内未成熟畸胎瘤。
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