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Bladder cancer is a heterogeneous disease with a variable natural history. At one end of the spectrum, low-grade Ta tumors have a low progression rate and require initial endoscopic treatment and surveillance but rarely present a threat to the patient. At the other extreme, high-grade tumors have a high malignant potential associated with significant(More)
Renal solitary fibrous tumors (SFTs) have been reported infrequently. We report a 76-year-old man with a left renal mass that had previously been shown radiographically to be stable, but was now growing. Grossly, the mass measured 12 cm, was poorly circumscribed, and invaded beyond the renal capsule. Approximately 10% of the neoplasm consisted of(More)
PURPOSE Telomeres help maintain chromosomal integrity. Dysfunctional telomeres can cause genetic instability in vitro and an increased cancer incidence in telomerase knock out mouse models. We recently reported that telomere shortening was a prevalent alteration in human prostate, pancreas, and breast cancer precursor lesions. In the present study, we(More)
Mollaret's meningitis (MM) is a rare disease of benign nature characterized by recurrent episodes of aseptic meningitis. Cerebrospinal fluid (CSF) examination remains the sole diagnostic modality. Eighteen CSF samples from 14 patients were studied along with the clinical data. Specimens were prepared by cytocentrifugation and Millipore filtration and were(More)
Florid von Brunn nests may mimic the nested variant of urothelial carcinoma. We examined formalin-fixed, paraffin-embedded tissue from 21 cases of florid von Brunn nests and 11 cases of nested variant of urothelial carcinoma. Morphologic features were recorded in detail. Also, cases were stained with monoclonal antibodies against MIB-1, p53, p27, and(More)
OBJECTIVES The finding of bladder cancer invading the detrusor muscle on transurethral resection (TUR) is one of the clearest indications for radical cystectomy. To the extent that detrusor invasion is, in practical effect, a binary variable, the variety of outcomes after radical cystectomy in these patients belies the simplicity of this approach. In this(More)
OBJECTIVES To characterize the immunohistochemical staining (IHS) of precursor forms of prostate-specific antigen (pro-PSA) forms in prostate cancer, high-grade prostatic intraepithelial neoplasia (HGPIN), and benign tissue from the peripheral and transition zones. Pro-PSA have previously been shown to be more concentrated in prostate cancer tissue extracts(More)
PURPOSE We compared pathological evaluation and postoperative recovery in patients undergoing transperitoneal laparoscopic nephrectomy at our institution with morcellated vs intact specimen extraction. MATERIALS AND METHODS A prospective evaluation of 57 consecutive patients undergoing radical and simple transperitoneal laparoscopic nephrectomy was(More)