Percutaneous transhepatic PermCath for hemodialysis vascular access.
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Biomedical subjects
Publications and source records attributed to C A Karlin.
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The clinical and radiological findings in a 56-year-old woman with mucoceles involving the left frontal, both ethmoidal, sphenoidal, and right maxillary sinuses are presented. The predisposing cause was thought to be previous facial fractures. The rarity of this combination of lesions is discussed, including a brief review of the literature.
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Clinically, patients with extraarticular synovial chondromatosis are seen with a juxtaarticular mass due to metaplasia of synovial cells and subsequent formation of cartilaginous nodules. Three patients are described to illustrate the varied clinical and radiographic features of this disease. One patient had involvement of the knee and wrist while another had involvement of the knee along with presumed intraarticular synovial chondromatosis of the elbow. The third patient had a solitary finger lesion. Routine radiographs in extraarticular synovial chondromatosis demonstrate either solitary or multiple calcified juxtaarticular masses with chondroid matrix. Bone scintigraphy reveals intense radionuclide uptake within the calcified masses. Computed tomography clearly defines the extent of the lesion. Arthrography can evaluate for intraarticular extension.
Eight patients with herpes simplex encephalitis among the 10 cases diagnosed at the University of Kansas Medical Center from 1966 to 1976 were studied with 99mTc early in their diagnostic work-up. The images were unilaterally positive in the temporal lobe area in all 8 patients. Radionuclide studies can suggest herpes simplex as the specific etiology in cases of encephalitis and can also indicate the best site for brain biopsy to confirm the diagnosis by fluorescent antibody techniques. Appropriate antiviral therapy should be instituted as soon as possible to alter the course of this destructive form of viral encephalitis.
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