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 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The clinical and pathological features of 11 cases of large bowel endometriosis are reported, one of which also had lesions in the small intestine. All of the cases had rectal or rectosigmoid involvement. Altered bowel habit and pain were common symptoms but were rarely associated with the menstrual cycle. Sigmoidoscopy was generally unhelpful. Rectal or vaginal examination and barium enema often revealed a mass which was usually diagnosed preoperatively as a malignancy. A correct diagnosis was made preoperatively in only two cases; carcinoma was suspected in four and carcinoid in one case. Histological evidence of recent hemorrhage was confined to those cases where endometriosis seemed to be the major cause of intestinal symptoms. The colonic mucosa overlying the endometriotic deposits was commonly histologically abnormal. It showed a range of changes resembling colitis, solitary ulcer, prolapse or even neoplasm. An appreciation of these mucosal alterations is important to those reporting colonic and rectal biopsies; when observed to be focal in a female patient they should arouse a suspicion of endometriosis.
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PMID:Endometriosis of the large bowel: a report of 11 cases. 263 15

In a retrospective ultrasonographic study, 32 cases of acquired disease of the tricuspid valve were detected amongst 7000 consecutive patients. Patients with congenital heart disease (except when the seat of an acquired disease) and with prosthetic heart valves, were excluded. There were twenty-one cases of rheumatic disease, all having additional involvement of the mitral valve. Prolapse (5 patients), bacterial endocarditis (2 patients), rupture of papillary muscle (1 patient), cardiac tumours (2 patients) and carcinoid heart disease (1 patient) were also identified. Acquired disease of the tricuspid valve is infrequently encountered during routine cross-sectional echocardiography but its recognition is clinically important.
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PMID:Acquired abnormalities of the tricuspid valve--an ultrasonographic study. 354 79

Despite recent renewed interest in the detection of tricuspid valve regurgitation by echocardiographic and Doppler techniques, little morphologic information is available on dysfunctioning tricuspid valves. This report describes 45 necropsy patients with clinical and morphologic evidence of pure (no element of stenosis) tricuspid regurgitation and provides morphometric observations (anular circumference, leaflet area) of the tricuspid valve useful in determining the etiology of pure tricuspid regurgitation. Of 45 patients, 24 (53%) had pure tricuspid regurgitation resulting from an anatomically abnormal valve (prolapse in 7, papillary muscle dysfunction in 6, rheumatic disease in 5, Ebstein's anomaly in 3, infective endocarditis in 2, carcinoid tumor in 1), and 21 (47%) had an anatomically normal valve with systolic pulmonary artery hypertension (cor pulmonale in 12, mitral stenosis in 9). Anular circumference was dilated (greater than 12 cm) in patients with various causes of pulmonary hypertension, floppy valve and Ebstein's tricuspid anomaly. Leaflet area was increased in floppy valve and Ebstein's anomaly. Of the 45 patients, 24 had pulmonary systolic artery pressure measurements available for correlation with tricuspid valve morphology. Pulmonary artery pressures accurately predicted morphologically normal from abnormal valves in 16 patients (89%). Morphologic overlap occurred in six patients with pulmonary pressures of 41 to 54 mm Hg. Of these six, the additional knowledge of normal or dilated anular circumference correctly separated valves with normal and abnormal leaflets.
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PMID:Etiology of pure tricuspid regurgitation based on anular circumference and leaflet area: analysis of 45 necropsy patients with clinical and morphologic evidence of pure tricuspid regurgitation. 395 62

The many changes in classification of cardiovascular disease during the twentieth century reflect changing etiology of diseases, clinical comprehension and technological advances. In particular, the etiology of valvular heart disease has changed dramatically in the last five decades. The significant reduction of acute rheumatic fever and its sequelae, and the recognition of non-rheumatic causes of valvular disease are responsible for the metamorphosis in the etiology of valvular disorders. Valvular heart disease can be classified as follows: 1) Heritable-congenital causes of valvular heart disease e.g., floppy mitral valve with mitral valve prolapse, bicuspid aortic valve, and the Marfan syndrome; 2) Inflammatory-immunologic causes such as rheumatic fever, acquired immune deficiency syndrome, endocardial proliferative disorders, and antiphospolipid syndrome; 3) Myocardial dysfunction-ischemic cardiomyopathy, dilated or hypertrophic cardiomyopathy-resulting in valvular heart disease; 4) Diseases and disorders of other organs as causes of valvular heart disease, e.g., chronic renal failure and carcinoid heart disease; 5) Valvular heart disease related to aging: calcific aortic stenosis and mitral annular calcification; 6) Valvular disease following interventions such as valvuloplasty, valve reconstructive surgery and valve replacement; and 7) Valvular disease related to drugs and physical agents, such as chronic ergotamine use, radiation therapy and trauma. In clinical practice the most common causes of mitral regurgitation are floppy mitral valve with mitral valve prolapse, ischemic heart disease, dilated cardiomyopathy and mitral annular calcification, while the most common cause of mitral stenosis is rheumatic fever. The most common causes of isolated aortic regurgitation are bicuspid aortic valve and floppy aortic valve, while the most common causes of isolated aortic stenosis are related to the bicuspid aortic valve and the development of calcific senile aortic stenosis. The most common causes of tricuspid regurgitation are dilated cardiomyopathy, ischemic cardiomyopathy, floppy tricuspid valve with tricuspid valve prolapse and infectious endocarditis. Combined mitral and tricuspid regurgitation occur with heritable connective tissue disorders, dilated or ischemic cardiomyopathy, while the most common cause of mitral stenosis plus aortic regurgitation is rheumatic fever. Statistics obtained from cardiac surgery and necropsy may underestimate the true incidence of certain valvular diseases by selection bias. This is particularly so with valvular disease associated with significant ventricular dysfunction, or in the elderly who may not be surgical candidates, or in cases where the valvular disease is not severe enough to require surgical intervention. Recent advances in hemodynamic and imaging technology allow clinicians to define valvular structure and function and to accurately classify valvular heart disease in clinical practice.
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PMID:Valvular heart disease: the influence of changing etiology on nosology. 800 Jun 16

Case reports have highlighted angiogenic polypoid proliferation in the mucosa adjacent to ileal carcinoid tumors, describing them as granulation tissue polyposis and florid angiogenesis. Some authors have proposed that the ileal carcinoid tumors themselves produce growth factors that cause the change. The purpose of this study was to determine the frequency of angiogenic polypoid proliferation in a large cohort of resected ileal carcinoid tumors compared with control groups. Search of the Cleveland Clinic and Summa Health System pathology files (1985 to 1999) yielded 65 resected ileal carcinoid tumors. Mucosal abnormalities adjacent to the ileal carcinoid tumors were graded 0 to 4+. Twenty ileal resection margins from colonic carcinoma cases served as normal controls. Ileal mucosa adjacent to 22 noncarcinoid neoplasms were also examined. The mucosa adjacent to 54/65 ileal carcinoid tumors (83%) showed mucosal abnormalities (vs. 3/20 normal controls), including mucosal edema, capillary ectasia, muscularis mucosae hypertrophy, fibrosis/smooth muscle proliferation within the lamina propria, club-shaped villi, and intramucosal capillary proliferation. Forty ileal carcinoid tumor cases (61%) showed some degree of angiogenic polypoid proliferation characterized by club-shaped villi and prominent intramucosal capillaries, with 17 (26%) graded as 3+ or 4+. Angiogenic polypoid proliferation was associated with hypertrophy of the muscularis mucosae, lamina proprial fibrosis/smooth muscle proliferation, and capillary ectasia similar to that described with gastrointestinal mucosal trauma/prolapse. This trauma/prolapse change was identified in 45 cases (69%) and was graded 3+ or 4+ in 23 (35%). Seventeen (77%) of the noncarcinoid neoplasms showed trauma/prolapse changes, with 7 (32%) graded as 3+ or 4+. Angiogenic polypoid proliferation also correlated with trauma/prolapse change in the noncarcinoid neoplasm controls. Neither APP (P =.24) nor the prolapse changes (P =.33) were found to be statistically different between the two tumor groups. Angiogenic polypoid proliferation of the adjacent ileal mucosa is common in patients with ileal carcinoid tumors and with noncarcinoid neoplasms. Angiogenic polypoid proliferation almost invariably coexists with fibromuscular change and capillary ectasia within the lamina propria, suggesting that mucosal trauma/prolapse plays a role in the histogenesis. The association of angiogenic polypoid proliferation with a variety of different neoplasms makes it unlikely that the tumors themselves secrete growth factors.
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PMID:Angiogenic polypoid proliferation adjacent to ileal carcinoid tumors: a nonspecific finding related to mucosal prolapse. 1155 76

Twenty-nine patients with different tricuspid valve (TV) pathologies were studied by both two-dimensional transthoracic (2DTTE) and live/real time three-dimensional transthoracic echocardiography (3DTTE). A major contribution of 3DTTE over 2DTTE was the en face visualization of all three leaflets of the TV in all patients. This allowed accurate assessment of TV orifice area in patients with TV stenosis and carcinoid disease. Loss of TV leaflet tissue, defects in TV leaflets and size of TV systolic non-coaptation could also be delineated and resulted in identifying the mechanism of tricuspid regurgitation (TR) in patients with Ebstein's anomaly and rheumatic heart disease. Prolapse of TV leaflets could also be well visualized and enabled us to develop a schema for systematic assessment of individual segment prolapse which could help in surgical planning. The exact sites of chordae rupture in patients with flail TV as well as right ventricular papillary muscle rupture could be well seen by 3DTTE. 3DTTE also permitted sectioning of various TV masses for more specific diagnosis of their nature. In addition, color Doppler 3DTTE provided an estimate of quantitative evaluation of TR severity, since the exact shape and size of the vena contracta could be accurately assessed. In conclusion, our preliminary experience with 3DTTE has demonstrated substantial incremental value over 2DTTE in the assessment of various TV pathologies.
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PMID:Live/real time three-dimensional transthoracic echocardiographic assessment of tricuspid valve pathology: incremental value over the two-dimensional technique. 1745 74

Mitochondrial disorders (MIDs) may occasionaly go along with dysmorphism but hand deformities, as in the following case, have been only rarely reported. A 72 year old female with ptosis, hypoacusis, tremor, myopathy, diabetes mellitus, arterial hypertension, severe cardiac disease, pulmonary hypertension, gastric carcinoid, hepatopathy, generalised atherosclerosis, anemia, polyarthrosis, and hyperlipidemia, additionally presented with brachydactylia. Upon neurological work-up a MID was suspected. The family history was positive for diabetes but negative for brachydactylia or other features of a MID. MIDs may be associated with brachydactylia. Skeletal deformities may be a phenotypic manifestation of MIDs.
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PMID:Brachydactylia as a phenotypic feature of mitochondrial disorder. 2345 27