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991.
992.
We report a rare case of a breast lump in an 81-year-old woman. Initial investigations were inconclusive and excision biopsy of the lump was done. Histologically the mass proved to be a ganglion cyst. It is the only reported case of ectopic ganglion cyst in the literature that presented as a breast lump. 相似文献
993.
PURPOSE: To review the pathobiology and clinical implications of coronary vulnerable atherosclerotic plaques (VAPs), to discuss the role of statin therapy in VAP stabilization, and the potential benefits of perioperative statin therapy (PST) in reducing perioperative risk of acute coronary syndromes (ACSs). SOURCE: MEDLINE search using "perioperative", "cardiac morbidity", "atherosclerosis", "vulnerable plaque", "statins" and combinations of these terms as keywords. The reference lists of relevant articles were further reviewed to identify additional citations. PRINCIPAL FINDINGS: The nonstenotic, yet rupture-prone VAP causes most myocardial infarctions (MIs) and other ACSs, both in the nonsurgical and surgical patients. Large clinical trials in both primary and secondary prevention and in patients with ACSs have demonstrated that statin therapy will reduce cardiovascular morbidity and mortality across a broad spectrum of patient subgroups. These trials also suggest, and laboratory investigations establish, that statins possess favourable vascular effects independent of cholesterol reduction. Statins appear to interfere specifically with the pathophysiologic mechanisms implicated in atherothrombotic disease. Statins reduce vascular inflammation, improve endothelial function, stabilize VAPs, and reduce platelet aggregability and thrombus formation. Recent studies have shown that PST is associated with a reduced incidence of perioperative and long-term cardiovascular complications in high-risk patients. Combined therapy with statins and ss-blockers is a conceptually valid strategy targeting critical steps in the pathogenesis of an ACS. CONCLUSION: Emerging evidence for the efficacy and safety of PST is promising, especially when combined with ss-blocker therapy in patients at highest risk. Confirmation of this early evidence awaits the results of ongoing and future prospective randomized controlled trials. 相似文献
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Rafique M 《International urology and nephrology》2006,38(1):153-156
Objective: To evaluate the frequency of urological and non-urological abnormalities detected on routine renal and abdominal ultrasonography
in patients undergoing surgery for benign prostatic hyperplasia (BPH) and to see if they affected the intended decision for
prostate surgery. Methods: Medical records of 250 patients who underwent open or endoscopic surgery for BPH at Nishtar Hospital, Multan, Pakistan between
May 2003 and December 2004 were studied. All patients had abdominal ultrasonography performed during routine preoperative
workup. The frequency of urological and non-urological conditions detected on ultrasonography was calculated and the effect
of these conditions on the intended decision for prostate surgery was observed. Results: In 102 patients (40.8%) urological and in 8 patients (3.2%) non-urological abnormalities were detected by ultrasonography.
Urological conditions detected included uni/bilateral hydronephrosis (34 pts), vesical stones (34 pts), renal cysts (15 pts),
renal stones (6 pts), small shrunken kidneys (2 pts), renal tumour (1 pt) and bladder carcinoma (1 pt). Non-urological conditions
included gall stones (4 pts), liver abscess (2 pts), hydatid cyst (1 pt) and liver carcinoma (1 pt). Conclusion: The study shows that a sizeable number of patients (44%) had urological and non-urological conditions detected by renal
and abdominal ultrasonography. Most patients had benign conditions but three of these patients had potentially life threatening
conditions (renal, bladder and hepatic carcinoma) detected by sonography that were unrelated to the prostate. However, in
only one patient (0.4%) with bladder carcinoma, surgery for prostate was postponed and bladder tumour was dealt with prior
to transurethral resection of prostate (TURP). Various conditions detected by ultrasonography would have been missed if it
had not been performed. As ultrasonography is a non-invasive, cost-effective and quite a safe imaging technique, in author’s
opinion abdominal and renal tract evaluation by ultrasonography should be routinely performed in patients undergoing surgery
for BPH. 相似文献
999.
BACKGROUND: Current statistical prognostic models for mortality after liver transplantation do not have good discriminatory ability. Furthermore, the methodology used to develop these models is often flawed. The objective of this paper is to develop a prognostic model for 90-day mortality after liver transplantation based on pretransplant recipient factors, employing a rigorous model development method. METHODS: We used data on 4,829 patient that were prospectively collected for the UK & Ireland Liver Transplant Audit. Switching regression was employed to impute missing values combined with a bootstrapping approach for variable selection. RESULTS: In all, 452 patients (9.4%) died within 90 days of their transplantation. The final prognostic model was well calibrated and discriminated moderately well between patients who did and who did not die (c-statistic 0.65, 95% CI [0.63, 0.68]). Although discrimination was not excellent overall, the results showed that those patients with a "low" chance of dying within 90 days of their transplant and those with a "high" chance of dying could be differentiated from patients with a "intermediate" chance. CONCLUSIONS: Our model can provide transplant candidates with predictions of their early posttransplantation prospects before any donor information is known, which is essential information for patients with end-stage liver disease for whom liver transplantation is a treatment option. 相似文献
1000.
A 17-year-old girl previously in good health presented with a 2-month history of recurrent, high-grade fever; general fatigue; anorexia; a 10-kg weight loss; and multiple, painful, reddish skin lesions on the lower abdomen. Some lesions were ulcerated, with an oily yellowish brown discharge. A systemic review was unremarkable other than bleeding from the nose. Her medical and family histories were unremarkable. On examination, the patient was pale, jaundiced, and febrile (temperature of 39 degrees C). She had enlarged lymph nodes in the axillary and inguinal areas. There was moderate hepatosplenomegaly. Local skin examination revealed multiple erythematous, tender, and firm subcutaneous nodules of variable size (1-2 cm) on the lower abdomen. Some nodules were ulcerated, with oily yellowish brown discharge and overlying ecchymosis (Figures 1 and 2). Mucous membranes were free of lesions. Laboratory investigations showed pancytopenia, an elevated erythrocyte sedimentation rate (>80 mm/h), normal renal function tests, abnormal hepatic function tests (alanine aminotransferase 172 U/L, aspartate aminotransferase 229 U/L, alkaline phosphatase 725 U/L, and total bilirubin 100 mmol/L [normal range 0-18 mmol/L]), conjugated bilirubin 45 mmol/L (normal range 0-5 mmol/L), and high triglycerides 855 mg/dL (normal range 20-200 mg/dL). Prolonged prothrombin time, 26 seconds (normal range 13-16 seconds); prolonged activated partial thromboplastin time, 61 seconds (normal range 26-38 seconds); positive disseminated intravascular coagulation studies evidenced by low fibrinogen, 74 mg/dL (normal range 160-350 mg/dL); and positive fibrinogen degradation products were also noted. Throat, midstream urine, and blood culture results were negative. Serologic tests for syphilis, HIV, and hepatitis B and C viruses were negative. Epstein-Barr virus and cytomegalovirus serologic values revealed evidence of past infection. Tuberculin and Coombs tests were negative. The alpha1-antitrypsin level was normal. Antinuclear and anti-smith antibodies, rheumatoid factor, and cryoglobulins were negative. CT showed enlarged lymph nodes in the axillary and inguinal areas, bilateral small pleural effusion, moderate hepatosplenomegaly, severe fatty infiltration of the liver, and thickening of lower abdominal subcutaneous tissue. A liver biopsy showed steatohepatitis. Bone marrow aspirate and trephine were normal. A deep punch biopsy of a nodule from the right lower abdomen revealed lobular panniculitis with atypical lymphocytes and large macrophages with cytophagocytosis ("beanbag" cells) (Figures 3 and 4). Immunohistochemistry showed that these atypical cells were positive for CD3, CD8, granzyme B, and perforin, and negative for CD56. T-cell gene rearrangement studies on skin lesions revealed a monoclonal T-cell receptor (gamma-chain) gene rearrangement, supporting the diagnosis of subcutaneous panniculitis-like T-cell lymphoma. On presentation, the initial treatment included 6 U of fresh frozen plasma, 2 U of packed red blood cells, and 2 g IV fibrinogen for 3 consecutive days. The patient was started on prednisolone 60 mg orally once daily and cyclosporine A 5 mg/kg/d orally in two divided doses. The fever and other systemic symptoms and skin lesions resolved within 2 weeks after the treatment. The prednisolone dose was tapered gradually, and a maintenance dose of cyclosporine A was continued. The patient's condition remained in remission at 12-month follow-up; there was no evidence of clinical relapse. 相似文献