Anal and rectal diseases explained - part 6 docx

... the squamous-lined portion of the anal canal proximal to the dentate line. Squamous cell Squamous cell tumors arise from the squamous epithelium in the anal canal. Perianal skin and anal margin ... immune-modulating agents (so-called steroid-sparing drugs) such as azathioprine and 6- mercaptopurine. Typical doses for treatment are as follows: • Acute colitis (severe): prednisone 40...

Ngày tải lên: 10/08/2014, 07:20

... rectum and anal canal termed the anorectal angle (dashed line). This is trial version www.adultpdf.com EXPLAINED SERIES Anal and rectal diseases explained Eli D Ehrenpreis Anal and rectal diseases ... colorectal surgery, and critical care medicine textbooks. Dr Ehrenpreis is married with three children, and lives in Skokie, Illinois. 9 781901 3 466 71 ISBN 1-9...

Ngày tải lên: 10/08/2014, 07:20

... visualization of the proximal anal canal and the dentate line. This is particularly useful when looking for internal hemorrhoids and distal rectal or high anal canal lesions. The retroflexed ... anorectal ultrasound, anorectal manometry, and defecography. Contraindications Imperforate anus. Relative contraindications Severe anal or rectal pain (such as that caused by an anal...

Ngày tải lên: 10/08/2014, 07:20

... the perianal, ischiorectal, intersphincteric, and supralevator spaces (see Figure 2). Symptoms The most common symptoms are pain and swelling in the anorectal region. Anal discharge and anorectal ... version www.adultpdf.com 3.1 Anal fissure 49 3.2 Anal stenosis 53 3.3 Anorectal abscess 55 3.4 Constipation 59 3.5 Fecal incontinence 65 3 .6 Hemorrhoids 69 3.7 Hidradenitis supp...

Ngày tải lên: 10/08/2014, 07:20

... perianal region, sebaceous cysts, and perianal Crohn’s disease. Chapter 3 76 A B C This is trial version www.adultpdf.com Third-degree prolapse: hemorrhoids protrude outside of the anal canal and ... symptomatology. Complications Internal hemorrhoids Bleeding. First-degree prolapse: internal hemorrhoids move into the anal canal. Second-degree prolapse: prolapse of hemorrhoids outsid...

Ngày tải lên: 10/08/2014, 07:20

... venereum 139 6. 2 Gonorrhea 141 6. 3 Herpes simplex 143 6. 4 HIV-associated anorectal disease 145 6. 5 Syphilis 147 6. 6 Venereal warts (condylomata acuminata) 149 Infectious disorders of the anus and rectum Chapter ... complications and decreased wound healing in late-stage HIV infection. Chapter 6 1 46 This is trial version www.adultpdf.com 1 36 This is trial version www.adult...

Ngày tải lên: 10/08/2014, 07:20

... Figure 1). Figure 1. Diagram of ileoanal pouch anastomosis. 161 Ileum Sutured to dentate line Anal canal External anal sphincter Rectal tunica muscularis Ileoanal pouch anastomosis Chapter 7.3 This ... the anal canal. How does an anal fissure develop? Anal fissures are believed to start with passage of a large, hard bowel movement that results in tearing of the skin (anoderm)...

Ngày tải lên: 10/08/2014, 07:20

... rectum and anus. This allows for further loosening of the anal sphincter and easier passage of rectal tissue through the anal canal. What are the symptoms of rectal prolapse? Persons with rectal ... a stool. Bleeding, anal itching, and anal and rectal pain are also common symptoms. Patients may have to push the protruding rectal tissue back up into the anus. Severe p...

Ngày tải lên: 10/08/2014, 07:20

... 142 erythromycin 76, 140 penicillin 76, 148 tetracycline 76, 140, 148 trimethoprim–sulfamethoxazole 140 anticholinergic drugs 66 , 157 atropine 66 clindium 66 dicyclomine 66 hyoscyamine 66 antidiarrheal ... 65 67 , 175–1 76 clinical pearls 66 definition 65 diagnosis 66 epidemiology 65 pathophysiology 65 patient information 175–1 76 patients at risk 65 symptoms 65 tre...

Ngày tải lên: 10/08/2014, 07:20