Nefroma quístico: tumor benigno de apariencia maligna

Q4 Medicine
D.A. Preciado-Estrella , J. Gomez-Sanchez , J.A. Herrera-Muñoz , L. Trujillo-Ortiz , J.E. Sedano-Basilio , V. Cornejo-Davila , I. Uberetagoyena-Tello de Meneses , A. Palmeros-Rodriguez , G. Garza-Sainz , V. Osornio-Sanchez , E. Mayorga-Gomez , J.G. Morales-Montor , C. Martínez-Arroyo , M. Cantellano-Orozco , L. Troncoso-Vazquez , I. Estrada-Moscoso , S. Parraguirre-Martinez , C. Pacheco-Gahbler
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引用次数: 0

Abstract

Cystic nephroma is a renal lesion belonging to the group of mixed epithelial and mesenchymal tumors, together with other infrequent tumors, such as synovial sarcoma and mixed epithelial and stromal tumor. It is considered one of the rarest renal tumors, and up to the present date, fewer than 250 cases have been reported in the international medical literature.

A 24-year-old homosexual man with a smoking index of 2 had a past history of condylomatous perianal lesion resection. He presented with left renal colic that was medically managed. Physical exploration revealed left costovertebral angle percussion. Urinalysis reported a pH of 5.5, blood ++, and a scant quantity of yeasts. The patient was HIV negative. Tomography scan identified an incidental left renal lesion with a Bosniak III multicystic component (25.3 mm × 28.2 mm). Magnetic resonance imaging showed a complex cystic lesion. A left open partial nephrectomy was performed and the histopathologic study reported cystic nephroma. The patient had adequate postoperative progression and was released on the 4th day after surgery.

Cystic nephromas are rare lesions that are commonly diagnosed in the postoperative period because their radiologic characteristics are similar to complex cysts suggesting malignancy. Treatment is surgical and nephron-sparing surgery is preferred in young patients with a small lesion.

Cystic nephromas are rare tumors and it is a challenge to differentiate them from malignant renal tumors and thus manage them by sparing functioning renal units whenever possible.

囊性肾瘤:恶性外观的良性肿瘤
囊性肾瘤是一种属于上皮性和间质性混合肿瘤的肾脏病变,与滑膜肉瘤、上皮性和间质性混合肿瘤等少见肿瘤同属一类。它被认为是最罕见的肾脏肿瘤之一,到目前为止,在国际医学文献中报道的病例不到250例。男同性恋者,24岁,吸烟指数2,既往有肛周尖锐湿疣切除术史。他表现为左肾绞痛经医学治疗物理探查显示左肋椎角冲击。尿液分析报告pH值5.5,血液++,少量酵母。这个病人是HIV阴性。断层扫描发现偶发左肾病变伴波什尼亚克III型多囊成分(25.3 mm × 28.2 mm)。磁共振显示一个复杂的囊性病变。行左开部分肾切除术,病理报告为囊性肾瘤。患者术后进展良好,于术后第4天出院。囊性肾瘤是一种罕见的病变,通常在术后诊断,因为其放射学特征与复杂囊肿相似,提示恶性。治疗是手术和肾保留手术是首选的年轻患者的小病变。囊性肾瘤是一种罕见的肿瘤,与恶性肾肿瘤区分是一个挑战,因此尽可能保留功能肾单位来管理它们。
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来源期刊
Revista mexicana de urologia
Revista mexicana de urologia Medicine-Urology
CiteScore
0.20
自引率
0.00%
发文量
49
期刊介绍: Revista Mexicana de Urología (RMU) [Mexican Journal of Urology] (ISSN: 0185-4542 / ISSN electronic: 2007-4085) is bimonthly publication that disseminates research by academicians and professionals of the international medical community interested in urological subjects, in the format of original articles, clinical cases, review articles brief communications and letters to the editor. Owing to its nature, it is publication with international scope that disseminates contributions in Spanish and English that are rigorously reviewed by peers under the double blind modality. Neither journalistic documents nor those that lack rigorous medical or scientific support are suitable for publication.
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