Carmen Luz Menéndez

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We present the clinicopathological features of 56 cases of the nested variant of urothelial bladder carcinoma. This is an uncommon variant of bladder cancer, recognized by the current WHO classification of urologic tumors. The nested component represented 100 % of the tumor in 24 cases. The architectural pattern of the tumor varied from solid expansile to(More)
We present the clinicopathological features of eight cases of large cell undifferentiated bladder carcinoma not otherwise specified (LCUBC). LCUBC was characterised by sheets of large polygonal or round cells with moderate to abundant cytoplasm and distinct cell borders. The LCUBC component varied from 90 to 100% of the tumour specimen with five cases(More)
Sir, A 76-year-old female patient suffering from long-term arterial hypertension had a nephrotic syndrome in 1997, being diagnosed of membranous glomerulonephritis clinically and with biopsy. She was resistant to steroids and azathioprine. Then, her treatment was changed to Mycophenolate Mofetil. In 2005, she had anuria, abdominal discomfort and acral(More)
We report the case of a left laparoscopic nephroureterectomy with the incidental discovery of a non-Hodgkin's lymphoma in one of the lymph nodes of the renal hilum. A laparoscopic nephroureterectomy was decided on for a 64-year-old man. Renal cell carcinoma in the kidney and one lymph node of the renal hilum with non-Hodgkin's lymphoma was found.(More)
We present the clinicopathologic and immunonohistochemical features of 25 cases of flat urothelial carcinoma in situ with glandular differentiation. Previously, cases on this category have been reported as in situ adenocarcinoma (a term not currently preferred). Fourteen of 25 cases had concurrent conventional urothelial carcinoma in situ. Five of the cases(More)
High-grade papillary urothelial carcinoma with subepithelial connective tissue invasion (T1HG) is an aggressive disease at high risk of progression after transurethral resection/Bacillus Calmette-Guerin standardized therapy. The European Organization for Research and Treatment of Cancer has identified T1HG bladder carcinoma that is single and ≤3 cm in the(More)
This article reports the case of a 22-year-old woman with right renal angiomyolipoma (AML) and inferior vena cava thrombus. Laparoscopic right nephrectomy and thrombectomy were performed. To the authors' knowledge there have been only 46 reported cases of renal AML with endovascular extension and this is the first case to be completely removed by a(More)
OBJECTIVE To report a new case of secondary bladder amyloidosis, beinginvolvement of the urinary bladder by amyloidosis infrequent on the basis of very few references in the literature (we estimate the number of cases of secondary vesical amyloidosis reported to be around 30). METHODS/RESULTS The case presented here corresponds to secondary bladder(More)
Dear Editor, The group of perivascular epithelioid cell tumours (PEComas; a family of rare mesenchymal neoplasms arising at different visceral and soft tissue sites) has a wide spectrum of morphology. We present a case with a very unusual feature: wide bone metaplasia. The patient was a 63-year-old hypertensive woman complaining from left flank pain and(More)