Abstract:
:Carcinoid tumor of the thymus is a rare neoplasm. Formerly confused with thymoma, a tumor of thymic epithelial cells, carcinoid tumor of the thymus has recently been shown to arise from cells of neuroendocrine origin that are normally present in the thymus. About half of the tumors are either functionally active (usually producing Cushing's syndrome) or are found in association with other endocrine tumors, as part of a multiple endocrine neoplasia syndrome. The remainder occur as symptomatic or asymptomatic anterior mediastinal masses, clinically indistinguishable from thymoma. At least 30% of thymic carcinoids are malignant on the basis of local invasion or metastasis or both. A protracted course, with late recurrence of tumor, is not uncommon. Aggressive surgical extirpation, followed by radiotherapy, offers the best hope for cure.
journal_name
Mayo Clin Procjournal_title
Mayo Clinic proceedingsauthors
Wick MR,Scott RE,Li CY,Carney JAsubject
Has Abstractpub_date
1980-04-01 00:00:00pages
246-54issue
4eissn
0025-6196issn
1942-5546journal_volume
55pub_type
杂志文章abstract::Aortic valve replacement is a lifesaving measure in patients with severe aortic valve disease. In the United States, the most commonly used prostheses are the mechanical and bioprosthetic valves. With mechanical valves, long-term anticoagulation is necessary because of high thrombogenic potential. Bioprosthetic valves...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/73.3.231
更新日期:1998-03-01 00:00:00
abstract::The ventriculoatrial shunt (VAS) was developed to control hydrocephalic syndromes effectively. Several complications, however, have been described after the procedure. One of the most serious consequences is the development of severe pulmonary hypertension attributed to multiple and recurrent pulmonary embolization ca...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/s0025-6196(12)60069-x
更新日期:1993-12-01 00:00:00
abstract::Ever since ancient times, man has been searching for the proper artificial substitute for living tissue. This has been a most frustrating and challenging task for the scientific community involved. Prosthetic restoration is the only alternative to reconstructive surgery for the facially deformed. This paper reviews th...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1978-07-01 00:00:00
abstract::Aortic thrombus formation is rare in the patients with essential thrombocytosis (ET); therefore, no guidelines for its management have been established. Embolism from ET-associated large vessel thrombi is potentially lethal and has been managed surgically in a few reported cases. We describe herein a 45-year-old black...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.4065/76.4.427
更新日期:2001-04-01 00:00:00
abstract::Guidelines for the use of antibiotics in infants and children must take into account drug absorption, distribution, metabolism, and excretion. In the developing human being, these factors may differ significantly from those in the adult, and so there are differences in therapeutic efficacy and toxicity. Certain drugs ...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1977-11-01 00:00:00
abstract:OBJECTIVE:To determine the prevalence of abnormalities in endothelium-dependent and endothelium-independent coronary flow reserve among patients with non-obstructive coronary artery disease and chest pain. MATERIAL AND METHODS:We studied endothelium-dependent (after infusion of 10(-6) M to 10(-4) M of acetylcholine) a...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.4065/73.12.1133
更新日期:1998-12-01 00:00:00
abstract::Multiple regression analysis were used to investigate the relationship between blood pressure and age, sex, relative weight, antihypertensive medication, diabetes mellitus, diet (low-salt, low-cholesterol, and weight-reducing regimens), cigarette smoking, coffee drinking, and aerobic exercise among a stratified random...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/s0025-6196(12)65532-3
更新日期:1988-07-01 00:00:00
abstract::Effective antimicrobial therapy for most urinary tract infections has been available since the sulfonamide era. Innovations in chemotherapy now include single-dose treatment of acute bacterial cystitis and acute urethral syndrome and effective suppression of recurrent bacteriuria with low-dose antimicrobial agents. ...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1983-03-01 00:00:00
abstract::In this article, we describe an integrated approach for detection and evaluation of solitary pulmonary nodules. Initial evaluation of the solitary pulmonary nodule includes tomography, fluoroscopy, and comparison with previously obtained roentgenograms. Subsequently, thin-section computed tomography and phantom densit...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.1016/s0025-6196(12)65012-5
更新日期:1990-02-01 00:00:00
abstract::Among 169 adult pathologically staged patients with Hodgkin's disease who were treated at the Mayo Clinic between 1974 and 1978, we identified four cases of second malignant lesions that developed. The median duration of follow-up after diagnosis for the entire population was 4.1 years. Of the 169 patients, 73 receive...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/s0025-6196(12)60440-6
更新日期:1984-07-01 00:00:00
abstract::With the ever-expanding elderly population in the United States, benign prostatic hyperplasia (BPH) has become a widespread condition. Although surgical intervention (open prostatectomy and transurethral resection of the prostate) was the typical management approach for BPH in the past, other options currently include...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/73.6.597
更新日期:1998-06-01 00:00:00
abstract::A case of inguinal hernia with massive scrotal enlargement is presented. Walking and voiding had become extremely difficult for the patient; only one testicle could be palpated, and the penis could not be delivered from the scrotal mass. Surgical reduction of the massive hernia was accomplished. The right testis with ...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1982-06-01 00:00:00
abstract:OBJECTIVE:To determine the effect of psychologic distress, measured with a commonly used screening questionnaire, on 6-month morbidity and rehospitalization costs in coronary patients. DESIGN:Psychologic distress was determined by screening with the Symptom Checklist-90--Revised (SCL-90-R) self-report inventory during...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.4065/70.8.734
更新日期:1995-08-01 00:00:00
abstract::Hereditary causes due to mutations and defects in certain genes account for roughly 5% to 10% of all colorectal cancers. These inherited syndromes have been associated with a 60% to 100% lifetime risk for development of colorectal cancer, depending on the genetic syndrome, and many also carry an increased risk for mul...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.1016/j.mayocp.2019.01.042
更新日期:2019-06-01 00:00:00
abstract::Abdominal apoplexy is a clinical entity characterized by spontaneous intraperitoneal hemorrhage from rupture of a visceral vessel. We describe a 34-year-old man who presented with abdominal apoplexy due to rupture of an ileocolic aneurysm. Subsequent biochemical and genetic analysis confirmed the diagnosis of Ehlers-D...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.4065/77.8.861
更新日期:2002-08-01 00:00:00
abstract::Although measurements of trunk flexibility are an important part of a clinical examination, subjective methods are usually used to assess spinal mobility. We studied three easily performed objective techniques for determining trunk flexibility (the common "fingertip-to-floor" test, the modified Schober and Moll tests,...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/s0025-6196(12)61848-5
更新日期:1986-03-01 00:00:00
abstract::In the three major morphologic groups of lupus nephritis--diffuse, focal proliferative, and membranous--glomerular deposition of immunoglobulins is usually a combination of IgG, IgM, and IgA and is not a good indicator of initial renal severity or outcome. In this study of 60 patients with systemic lupus erythematosus...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1978-06-01 00:00:00
abstract::Low back pain (LBP) is a leading cause of disability worldwide. In the absence of a classification system for pain syndromes, classification of LBP on the basis of the distribution of pain as axial (pain generally localized to the low back) or radicular neuropathic (pain radiating to the lower extremities) is relevant...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.1016/j.mayocp.2015.10.009
更新日期:2015-12-01 00:00:00
abstract:OBJECTIVE:To elucidate the long-term clinical behavior, treatment, and outcomes of sporadic facial nerve schwannoma (FNS) in a large cohort of patients managed in the post-magnetic resonance imaging era. PATIENTS AND METHODS:Retrospective review at a single tertiary health care system (January 1, 1990, through Decembe...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/j.mayocp.2016.07.007
更新日期:2016-11-01 00:00:00
abstract:OBJECTIVE:To evaluate the effect of prior duration of diabetes, glycated hemoglobin level at study entry, and microalbuminuria or macroalbuminuria on the extent and severity of coronary artery disease (CAD) and peripheral arterial disease. PATIENTS AND METHODS:We studied baseline characteristics of the 2368 participan...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.4065/mcp.2009.0265
更新日期:2010-01-01 00:00:00
abstract:OBJECTIVE:To study the incidence and prevalence of diagnosed myoclonus in Olmsted County, Minnesota. Little is known about the frequency and distribution of myoclonus in the general population. DESIGN:Descriptive study with case ascertainment through a records-linkage system. PATIENTS AND METHODS:We used a medical re...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.4065/74.6.565
更新日期:1999-06-01 00:00:00
abstract::Currently, computer-assisted imaging can visualize very fast or very slow nonvisible motion events. We can create measurable geometric representations of physiology, including transformation, blood flow velocity, perfusion, pressure, contractility, image features, electricity, metabolism, and a vast number of other co...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/74.4.399
更新日期:1999-04-01 00:00:00
abstract::The use of pacemakers and implantable cardioverter-defibrillators continues to increase for the management of cardiac dysrhythmias and, more recently, heart failure. Long-term complications associated with their use include infection, lead failure, and spurious shocks. Although the risk of infection with intracardiac ...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/79.4.549
更新日期:2004-04-01 00:00:00
abstract::A case is reported in which a herpes zoster infection caused recurrence of phantom limb pain in a man whose left arm had been amputated 7 years previously. It is, to our knowledge, the first such case reported, and it shows the importance of peripheral mechanisms in the generation of phantom limb pain. ...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1978-05-01 00:00:00
abstract::Skin cancer has become the most common neoplasm in the United States. With early diagnosis and appropriate management, most skin cancers have an overall 5-year survival rate of 95%. Cutaneous malignant melanoma (CMM), however, has a significantly higher morbidity and mortality, resulting in 65% of all skin cancer deat...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/81.4.500
更新日期:2006-04-01 00:00:00
abstract::As alternatives to transurethral resection of the prostate for treatment of benign prostatic hyperplasia, various types of laser prostatectomy-most notably, neodymium:yttrium-aluminum-garnet (YAG) and potassium titanyl phosphate laser procedures-have proved to be associated with considerably less morbidity (for exampl...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/73.8.792
更新日期:1998-08-01 00:00:00
abstract::A decrease in blood androgen levels is well documented in women who experience natural or surgical menopause. This change may be associated with various negative effects on bone metabolism in addition to psychosocial and sexuality aspects of life. A review of published information on androgen replacement therapy shows...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章,评审
doi:10.4065/72.11.1051
更新日期:1997-11-01 00:00:00
abstract::Use of amiodarone, an investigational antidysrhythmic agent, has been associated with cases of pulmonary toxicity. The mechanism of amiodarone pulmonary toxicity is unknown, and recommendations for the assessment and treatment of patients with this condition continue to evolve. In two patients with clinically diagnose...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/s0025-6196(12)60983-5
更新日期:1985-09-01 00:00:00
abstract::In the years 1960 through 1966, vagotomy and pyloroplasty was performed for duodenal ulceration in 182 patients. Elective operation was performed in 84% of cases, and intractability of symptoms was the major indication. For emergency operations, bleeding was the main indication. Eight of 182 patients died in the posto...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:
更新日期:1980-01-01 00:00:00
abstract:OBJECTIVE:To explore the current epidemiological profile of Marfan syndrome in a general population. PATIENTS AND METHODS:Patients who had received a diagnosis of Marfan syndrome were identified from the Taiwan National Health Insurance database records from January 1, 2000, through December 31, 2012 (average populati...
journal_title:Mayo Clinic proceedings
pub_type: 杂志文章
doi:10.1016/j.mayocp.2013.08.022
更新日期:2014-01-01 00:00:00