Microscopic doctors and molecular black bags: science fiction's prescription for nanotechnology and medicine.
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Biomedical subjects
Publications and source records attributed to T Miksanek.
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The primary importance of diagnosing benign hepatic tumors lies in differentiating them from malignant neoplasms. Certain liver tumors, such as hepatic adenoma, have become much more frequent with widespread use of oral contraceptives. Recent advances in roentgenographic techniques have also increased the frequency of diagnosis. Since liver enzyme studies are usually normal and the tumors are often clinically silent unless they are quite large, many benign tumors of the liver are only incidental findings at laparotomy or autopsy.
Warthin's tumor is a benign neoplasm that most often arises in the parotid gland. The lesion is often clinically silent, but various radiographic studies are useful in establishing the diagnosis. Surgical resection generally results in a complete cure. The diagnosis of Warthin's tumor should be considered in any patient who presents with a mass lesion in the area of the parotid gland.
Nonbacterial thrombotic endocarditis is a cardiac valve lesion characterized by vegetations composed of fibrin and trapped platelets on an uninflamed valve leaflet. It is often associated with malnutrition or underlying malignancy. The vegetations may give rise to clinically significant emboli and occasionally may cause cardiac murmurs. The diagnosis should be considered in any debilitated patient who suddenly develops unexplained embolic disease, a new cardiac murmur or disseminated intravascular coagulation.
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Granulocytic sarcoma is an unusual extramedullary tumor composed of immature cells of the myelogenous series; it usually occurs during the course of myelogenous leukemia. This paper presents a rare case of granulocytic sarcoma of the peritoneum, occurring without evidence of myelogenous leukemia in peripheral blood and bone marrow.