Anorectal problems: lateral subcutaneous anal sphincterotomy.
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A patient is described in whom a segment of colon used to construct an artificial vagina was therefore removed from intestinal continuity and was affected by typical idiopathic ulcerative colitis. The onset of disease was simultaneous in this loop of colon and in the rectum. There was no evidence of local infection. An increased ratio of IgE-plasma cells was found in both the mucosa of the grafted colon and that of the rectum, but anticolonic antibodies were not detected in the serum. After removal of the loop of colon used for colpopoiesis, the patient continued to suffer from distal proctocolitis for almost a year, but has since then maintained a stable remission without treatment. The etiology of ulcerative colitis is discussed, and attention is drawn to the unusual psychologic aspects of this case.
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BACKGROUND AND PURPOSE: Chronic radiation proctitis/enteritis is a relevant complication of pelvic irradiation, which is still mainly treated by supportive measures only. There is some evidence that the combined treatment with pentoxifylline and tocopherol might alter the pathogenesis of radiation-induced fibrosis. In a retrospective analysis the clinical benefit of the treatment with pentoxifylline/tocopherol on radiation-induced proctitis/enteritis was evaluated, compared to supportive care only. PATIENTS AND METHODS: Of 30 patients with radiation-induced proctitis/enteritis grade I-II according to the RTOG/EORTC toxicity criteria, 21 were treated with pentoxifylline and tocopherol. Depending on physician's decision nine patients received symptomatic treatment only. RESULTS: With pentoxifylline/tocopherol treatment 15/21 patients (71%) experienced a relief of their symptoms. A reduction from grade I/II to grade 0 toxicity was observed in seven and from grade II to grade I toxicity in eight patients. No improvement was seen in six patients. The median time to improvement with pentoxifylline and tocopherol treatment was 28 weeks. In three of nine patients who were treated supportively only, deterioration of symptoms occurred. Three patients experienced no amelioration, and three patients with grade I toxicity experienced a spontaneous relief of their symptoms (33%). CONCLUSION: The combination treatment with pentoxifylline and tocopherol seems to have a benefit in patients with grade I-II radiation-induced proctitis/enteritis. The optimal schedule of treatment duration is not yet clear. From the observations made in this study it is assumed the treatment should be given for 6-12 months at least. A prospective phase II study should be undertaken to evaluate optimal treatment duration.
A pilonidal sinus is a invagination of the skin over the sacrum containing a tuft of hair which enlarges by repeated friction causing the hairs to penetrate the skin. It may become symptomatic if an infection occurs. There are similarities with acne inversa, which is present in about 23% of cases. Acne inversa is an inflammation of the sebaceous glands and terminal hair follicles, chiefly in the intertriginous areas. The first manifestation can occur at any time from puberty to advanced age. 90% of patients are smokers. Initially giant comedones and indolent subcutaneous nodules are found; they progress to form draining sinus tracts. Conservative treatment, incision and/or surgical removal of the abscesses and fistulas is futile. The method of choice is the early complete surgical excision of the involved skin extending into normal tissue both laterally and at the base. In most cases healing of the defects by secondary intention is uneventful.
Perianal dermatitis is one of the most common proctological disorders. Concerning the etiology, three different types of dermatitis must be distinguished-the most common irritative contact dermatitis, atopic dermatitis and allergic contact dermatitis. The correct diagnosis is essential for adequate and successful treatment. A variety of benign and malignant disorders must be considered in the differential diagnosis of anal dermatitis. Dermatitic clinical disorders which do not respond to therapy should always be biopsied.
Several premalignant and malignant neoplasms clinically appear as chronic eczematous lesions of the perianal region and have to be distinguished from benign processes. Anal intraepithelial neoplasia (AIN) presenting as bowenoid papulosis and perianal Bowen disease is a precursor lesion for invasive squamous cell carcinoma. When AIN is widespread, persistent or progressive, an underlying immunosuppression should get excluded. Verrucous carcinoma of the perianal region is a highly differentiated variant of squamous cell carcinoma characterized as a slowly growing but locally invasive tumor. Extramammary Paget disease (EMP) is an intraepithelial adenocarcinoma of the skin with apocrine differentiation. Along with EMP, basal cell carcinoma, Langerhans cell histiocytosis and cutaneous T-cell lymphoma should be included in the differential diagnosis for lesions simulating chronic perianal dermatitis. In such situations, biopsies and histopathologic examination are imperative to avoid delayed diagnosis and assure prompt therapy.
Two boys aged 6 and 9 years presented with persistent sharply circumscribed perianal erythema. One boy had no other skin findings; the other had additional lesions on the genitalia and extremities. The diagnosis of perianal streptococcal dermatitis was made after streptococci were cultured from skin swabs. This primarily childhood disease should be distinguished from candidiasis and perianal atopic dermatitis. As in our cases, topical therapy is usually ineffective and oral penicillin remains the treatment of choice.
We report two cases of chronic anal eczema. In one case a squamous cell carcinoma developed at the site of inflammation. This carcinoma was treated by wide local excision. The second case was treated in the same way for prophylactic reasons. These two cases demonstrate the importance of biopsies and surgical intervention when dealing with a therapy-resistant chronic anal eczema.
Graft-vs-host disease (GVHD) is a common, life-threatening complication of bone marrow transplantation that frequently involves the gastrointestinal tract. Since symptoms are typically nonspecific, radiologic examination is often performed to reach a diagnosis. To the best of our knowledge, this is the first reported radiologic description of a case of rectal involvement as the first manifestation of GVHD. The differential diagnosis of segmental rectal wall thickening in a patient following bone marrow transplantation should include GVHD.
INTRODUCTION: Mucositis is a significant complication of cancer therapy, with important clinical and economic implications. In June 2005, the Mucositis Study Group of the Multinational Association of Supportive Care in Cancer/International Society for Oral Oncology (MASCC/ISOO) conducted an evidence-based update review of the literature on mucositis. The goal of this literature review is to update previously published guidelines for the management of mucositis. RESULTS: This article reports the findings of the subgroup charged with reviewing the literature related to amifostine.
Anal fissures are present in about 10-15% of proctological patients. The cause of the illness is unknown, but is probably multifactorial. Cardinal symptoms are pain during and after defecation, as well as persistent sphincter spasm. In most cases an acute anal fissure heals spontaneously or with adequate conservative therapy. Chronic anal fissures can be cured in some cases by conservative treatment. Where there is treatment resistance, surgical cleansing is necessary.
There are two forms of anal fistulas arising from its pathogenesis: the acute stage is the abscess, whereas the chronic stage is the fistula in ano. The classification of the fistula in ano is named after Parks. Pathogenesis and classification are explained. For complete cure, every abscess needs precise examination to be able to show the course and shape of the fistula. The surgical procedure depends on the fistula tract. Most fistulas can be operated by means of a fistulotomy or fistulectomy. Recovery depends on locating the total fistula tract.
Perianal dermatitis is one of the most common proctological disorders. The anatomy of the anal region provides suitable conditions for the development of dermatitis. In the diagnostic work-up and the management of patients with perianal dermatitis, three types need to be distinguished: irritant contact dermatitis, atopic dermatitis, and allergic contact dermatitis. Each type has its aetiological and pathogenetic factors, which will provide clues to the diagnosis and subsequent management of the condition. In the differential diagnosis of the condition, consideration should be given to inflammatory diseases of the perianal region which may produce eczema-like patterns.
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