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Biomedical subjects

D E Waugh

Publications and source records attributed to D E Waugh.

7 recordsLinked to original sources
PubMed1986

Anal and perianal malignancies.

Perianal carcinomas must be segregated from anal canal carcinomas, which occur above the anal verge. Perianal malignancies are managed as are skin malignancies elsewhere on the body. Squamous cell carcinomas of the anal canal less than 2 cm in diameter may be treated by local excision. Other epidermoid anal canal carcinomas are best treated with either radiation therapy or a combination of chemotherapy and radiation followed by abdominoperineal resection for those patients with residual tumor on biopsy.

Adenocarcinoma↗
PubMed1985

Colonic bleeding in the elderly.

In the elderly population bleeding from the colon is not unusual. In evaluating a patient with colonic bleeding, the rate of bleeding should be assessed, and the possibility of upper gastrointestinal and anorectal bleeding should be excluded. The most common cause of massive bleeding from the colon in the elderly patient is diverticulosis, and the next most common cause is angiodysplasia. A number of other less common causes of bleeding should be excluded when making the diagnosis. If angiography is employed and the bleeding site is identified, initial therapy can be started concurrently by either injecting a vasopressor drug intraarterially or by embolization. Failure to stop the bleeding leads to surgery as the next step. If the bleeding stops spontaneously, one can expect recurrence later; therefore an interval work-up is stressed to identify the anatomic area of suspected bleeding. Preoperative identification of the bleeding site is imperative so that a "blind resection" can be avoided.

Aged↗
PubMed1982

Colon volvulus and the geriatric patient.

One is tempted to believe that volvulus in elderly patients on many occasions may be preceded by inactivity and pseudomegacolon. Owing to psychiatric problems, chronic illness, or institutionalization, the patient is more likely to be subjected to treatment with sedatives and psychotropic drugs, causing decreased neuromuscular function of the gut. The basic principles in treating the volvulus are releasing the volvulus, deciding whether a nonoperative or an operative procedure should be employed, and treating complications. As far as surgical management is concerned, several techniques have been suggested, some of which are still controversial. Colonoscopy appears to have become an important method of treatment for volvulus with clearly established indications. Oddly enough, already hospitalized patients are occasionally subjected to delayed attention for volvulus. Therefore, physicians responsible for the care of geriatric patients should be alerted by even fairly mild symptoms of distention, abdominal pain, vomiting, and constipation. Clinical evaluation, including routine films of the abdomen, may avert a major catastrophe.

Activities of Daily Living↗
PubMed1978

Mesenchymal hamartoma of the liver.

A surgically treated case of a mesenchymal hamartoma, a rare, benign liver tumor of infants and occasionally children, is reported. The clinical picture is characterized by marked, usually rapid abdominal enlargement. If untreated, the tumor may compromise other organ systems, resulting in death. The treatment is surgical removal. The tumor is characterized by proliferation of collagenous connective tissue, immature mesenchyme, and multiple cysts or pseudocysts of varying sizes. The origin of the tumor has not yet been definitely determined. Ultrasonography combined with radionuclide scanning was useful in establishing a working, preoperative diagnosis.

Hamartoma↗