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In an attempt to reduce the number of breast biopsies done for benign breast disease in patients with breast lumps, we evaluated prospectively the sensitivity and specificity of the combination of three diagnostic modalities: clinical examination, mammography, and fine-needle aspiration cytologic examination (FNA). A total of 234 patients with a breast mass(More)
BACKGROUND One of the first steps in multistage colonic carcinogenesis is increased cell proliferation and an upward shift of the proliferation zone of colonic crypts. In the present study, progression in cell kinetics was followed up at all sequential stages of colonic carcinogenesis, starting with aberrant crypt foci (ACF), the earliest putative(More)
Of 1,666 patients who underwent fine needle aspiration for breast lumps, 4 developed pneumothorax as a complication. The incidence of this complication in our patients is 1:417. The clinical manifestations were immediate chest pain, shoulder pain and, occasionally, dyspnea that developed later. Observation is sufficient treatment in most patients, and(More)
The purpose of this study was to develop an animal model of rectal cancer. Three murine-derived cell lines, B16 melanoma, CT26 and MCA38 colon carcinoma, as well as the human colon cancer cell line LS174T were injected into the submucosa of the mouse rectum. Subcutaneous CT26 anbd B16 tumours and intra-caecal CT26 tumours served as controls for(More)
BACKGROUND Multiple studies have indicated that specific COX-2 inhibitors may prevent CRC. However, the long-term use of COX-2 inhibitors is not toxicity-free and may be limited due to its cardiovascular side effects. The present study was carried out to examine the chemopreventive effects of celecoxib and curcumin alone and in combination using the(More)
The study was conducted to investigate the differences in clinical–pathological, ethnic, and demographic presentations and the expression of mismatch repair proteins in a cohort of young-onset (≤50 years) versus late-onset Israeli patients (>50 years) with colorectal cancer. Clinical, demographic, and histopathological data of patients with colorectal(More)
Aberrant crypt foci (ACF) are one of the earliest putative preneoplastic, and in some cases, neoplastic lesions in human colons. These microscopic lesions, identified on methylene blue-stained mucosa with a low-power-magnification microscope, are thought to be closely related to the earliest steps in multistage colonic tumorigenesis. We investigated the(More)
BACKGROUND Minimally invasive laparoscopic total extraperitoneal (LTEP) repair of bilateral and/or recurrent groin hernias has been popularized as one of the procedures of choice in the past decade. The early postoperative course is uneventful in most cases. A few patients, however, will develop temporary postoperative groin swelling. The aim of our study(More)
Peritoneal tears (PTs) are not uncommon during the course of laparoscopic total extraperitoneal (LTEP) repair of groin hernias. Most endoscopic surgeons advocate routine closure of these tears. Our approach is not to perform routine closure of PTs. The aim of this study was to evaluate the possible effect of our approach on the intra- and postoperative(More)
Transforming growth factor beta1 (TGF-beta1) is a cytokine known to play a key role in the control of cell growth. TGF-beta1 potently inhibits the proliferation of human and rodent-derived epithelial cells. Colonic precancerous and moderately differentiated cancer cells are responsive to TGF-beta1, whereas malignant colon cancer cells are resistant to the(More)