ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

摘要:

SummaryThis study was undertaken to determine the pressure profile of the rectum and anal sphincter of healthy persons. Open‐tip tubes and tiny balloons of various sizes connected to pressure transducers were withdrawn in stages from the lower part of the sigmoid to the exterior in 11 healthy males in the Sims position. Records of the pressures encountered during the withdrawals were made photokymographically. Mean sigmoid and rectal resting pressures were 2 to 5 cm. of water above ambient pressure. A band of elevated pressure about 4 cm. in width was always detected in the anal sphincter. The mean maximal pressure in the sphincter as detected by open‐tip tubes was 45 cm. of water; greater maximal pressures were encountered when balloons were withdrawn through the sphincter. Bands or zones of increased pressure were consistently detected in the rectum during withdrawal of even tiny balloons. These zones have been interpreted as being produced by pressure applied to the balloon as it was withdrawn past a bend in the rectum or over folds in the rectum. The suggestion is made that these structures may act as incomplete or feeble valves resisting the analward movement of rectal contents, just as they resisted the analward movement of the balloons.

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

摘要:

Summary and ConclusionsThe physiology of fecal continence has been reviewed briefly. The functional results that have been reported following various sphincter‐preserving operations have been reviewed and compared. Details of surgical technic, as they relate to the functional results, have been discussed.

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

摘要:

Summary and ConclusionsA case of squamous cell carcinoma of the anal canal which developed following multiple hemorrhoidectomies is presented. A review of the literature reveals the prevalence of previous anorectal operations before diagnosis of the condition was made. The indifference of the general population to anal lesions is an important contributory factor to the delay of diagnosis. Clinically, the lesion may mimic many common benign anorectal diseases. It is re‐emphasized that all specimens removed from the anorectum should be submitted for microscopic examination, and wherever possible the surgeon should point out to the pathologist the area of suspicion. We believe that these tumors, regardless of their size, should be treated by radical surgery with extended lymphadenectomy.

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

摘要:

Summary and ConclusionsThe subject of duplication of the rectum is reviewed and three additional cases are presented. Although duplication of the rectum is a rare anomaly, it should be suspected, especially in children with lower bowel conditions of bizarre characteristics and manifestations.

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

摘要:

SummaryThe problem of diagnosing carcinoma of the colon is presented and current diagnostic technics are reviewed. The desirability of a screening test for colonic carcinoma is discussed. A method of recovering malignant cells from enema returns without instrumentation is presented. Clinical evaluation suggests that this method is accurate in detecting malignant cells of neoplasms of the colon and it appears to be a useful screening test for carcinoma of the colon.

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

摘要:

Summary and ConclusionsPolyps of the colon of leukemic origin are composed purely of leukemic tissue and are caused by the leukemic disease. They are unlike pre‐existing adenomatous polyps of the colon, which are invaded secondarily by leukemic cells (Fig. 6). Roentgenologic features of leukemic polyps are not identical to those of polypoid disease of the colon, yet they are sufficiently similar to require that the two conditions be differentiated carefully. One of the cases herein described was myelogenous in type and this is contrary to the statement made by Pearson that only in lymphatic leukemia do colonic lesions occur.

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID

ISSN:0012-3706    

出版商:OVID    

年代:1960

数据来源: OVID