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Results for “ABDOMINAL NEOPLASMS”

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At least 775 records · Page 43Linked to original sources
PubMed1979

[Computer tomographic longitudinal sections of the trunk reconstructed from standard cross-sections (author's transl)].

Reduction in scan times and advances in the field of image reconstruction have made it possible to reconstruct the trunk from sequential coronal sections. For this purpose 8 mm cuts without overlap are suitable. There is consequently no increase in patient dose or in the scan time. Longitudinal sections can be reconstructed by a dedicated computer in about 10 minutes and cross sections can be evaluated in more detail. The longitudinal reconstructions provide better demonstration of organs and space-occupying lesions in their craniocaudal extent. This extension of the diagnostic spectrum is of value to the diagnostician and particularly to radiotherapists and surgeons during treatment planning.

Abdominal Neoplasms↗
PubMedDate not supplied

Plexiform neurofibroma in type 1 neurofibromatosis.

A 13-year-old African-American girl was admitted to the hospital for surgery. She was diagnosed with Type I neurofibromatosis at the age of 1 year after she was noted to have multiple café au lait spots. Her past medical history included a history of neurofibroma in the base of the brain, treated with radiation therapy and ventriculoperitoneal shunt, as well as a recent diagnosis of bilateral optic gliomas, treated with chemotherapy. Family history was negative for neurofibromatosis.

Abdominal Neoplasms↗
PubMed1980

Non-Hodgkin's lymphoma following treatment for Hodgkin's disease. Case report and review of the literature.

A patient in whom an undifferentiated non-Hodgkin's lymphoma developed after treatment for Hodgkin's disease is described. The second tumor occurred eight years after the initial diagnosis, two years after the completion of combined radiation therapy and combination chemotherapy. The pertinent literature is reviewed, with an emphasis on the potential risk of multimodal antineoplastic treatment's causing secondary neoplasms.

Abdominal Neoplasms↗
PubMedDate not supplied

CT and MR imaging findings of bowel ischemia from various primary causes.

Ischemic bowel disease represents a broad spectrum of diseases with various clinical and radiologic manifestations, which range from localized transient ischemia to catastrophic necrosis of the gastrointestinal tract. The primary causes of insufficient blood flow to the intestine are diverse and include thromboembolism, nonocclusive causes, bowel obstruction, neoplasms, vasculitis, abdominal inflammatory conditions, trauma, chemotherapy, radiation, and corrosive injury. Computed tomography (CT) or magnetic resonance (MR) imaging can demonstrate the ischemic bowel segment and may be helpful in determining the primary cause. The CT and MR imaging findings include bowel wall thickening with or without the target sign, intramural pneumatosis, mesenteric or portal venous gas, and mesenteric arterial or venous thromboembolism. Other CT findings include engorgement of mesenteric veins and mesenteric edema, lack of bowel wall enhancement, increased enhancement of the thickened bowel wall, bowel obstruction, and infarction of other abdominal organs. However, regardless of the primary cause, the imaging findings of bowel ischemia are similar. Furthermore, the bowel changes simulate inflammatory or neoplastic conditions. Understanding the pathogenesis of various conditions leading to mesenteric ischemia helps the radiologist recognize ischemic bowel disease and avoid delayed diagnosis, unnecessary surgery, or less than optimal management.

Abdominal Injuries↗
PubMed1987

Abdominal CT in the staging of small-cell carcinoma of the lung: incidence of metastases and effect on prognosis.

CT studies of the abdomen performed on 72 patients with small-cell carcinoma of the lung were retrospectively reviewed to assess the role of abdominal CT in staging. Forty-four of the 72 patients had extensive disease, defined as disease extending beyond the confines of one hemithorax, plus or minus mediastinal or ipsilateral supraclavicular disease or ipsilateral pleural effusion. Initial-staging abdominal CT revealed one or more sites of metastatic disease in 26 (59%) of these 44 patients, while 18 patients had normal initial CT examinations. Statistical analysis of patients with extensive disease revealed a significant increase in complete therapeutic response (p = .0054) and in the length of survival (p = .001) among those who had extensive disease without abdominal metastases as compared with those who had abdominal metastases on their initial abdominal CT examination. The development of new or recurrent abdominal metastases in general or in specific organs on follow-up scans obtained in 35 patients did not significantly decrease their survival time as compared with that of patients without such metastases. Our findings suggest that CT of the abdomen is beneficial in the initial staging of patients with small-cell carcinoma of the lung and provides prognostic information concerning response to therapy and length of survival.

Abdominal Neoplasms↗
PubMed1979

Potential pitfalls in computer tomography.

Some pseudotumours and pitfalls in computer tomography of the abdomen and the head are demonstrated. In abdominal CT the patient preparation is discussed.

Abdominal Neoplasms↗
PubMed1994

[Isolated mesenteric fibromatosis].

Isolated mesenteric fibromatosis is a rare form from the group of intraabdominal fibromatoses which often accompany Gardner's syndrome. It consists in a benign proliferation of fibroblasts with infiltration of muscles and fat tissue. It is diagnosed by ultrasound and CT-scans. The treatment of choice is the total surgical extirpation of the tumor. We report about a 19 year old patient with an isolated mesenteric fibromatosis following a normal pregnancy without previous surgical interventions.

Abdominal Neoplasms↗