Biomedical subjects
Publications and source records attributed to G Baumgartner.
Twenty-five patients with disseminated renal cell carcinoma have been followed for eleven months. These patients have been treated with CCNU, bleomycin, methotrexate, and platinum in various combinations. The results have been discussed in light of other studies using chemotherapeutic agents against this disease process.
There were 33 patients with clinically relapsing advanced prostatic carcinoma (stages C and D) treated by 2 different combinations of chemotherapy. The 13 patients in group 1 received 5-fluorouracil and cyclophosphamide and 20 patients in group 2 received adriamycin and cyclophosphamide. The over-all response was 69.3 per cent in group 1 and 65 per cent in group 2. Our preliminary results should encourage further evaluation of these drug combinations by other investigators under carefully controlled conditions.
There were 22 patients with vertebral metastases and impending neurologic damage from prostatic, vesical and renal cell carcinoma treated by decompressive laminectomy combined with local radiotherapy and chemotherapy. The neurological recovery was complete in the prostatic carcinoma patients (10 of 10), partial in the vesical carcinoma patients (2 of 5) and unsatisfactory in the renal cell carcinoma patients (1 of 7).
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Blood urea nitrogen and weight reduction can be accomplished in renal failure by doubling the surface area of the standard dialysis coils. This results in a reduction of time on the machine, drugs and personnel utilization.
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Previous investigations have shown that a large proportion of normal human lymphocytes bearing membrane-bound IgM have also independently moving IgD molecules on their surface. Since it is known that in the majority of chronic lymphatic leukaemias (CLL) high numbers of lymphocytes with easily detectable membrane IgM can be found, we investigated CLL cells for the presence of membrane-bound IgD. In all 18 cases studied, high proportions of cells bearing surface IgD and IgM could be found. In none of the 18 cases crystalline Ig inclusions could be detected.
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A 28-year-old female, who showed a floppy baby syndrome during early infancy, had a non-progressive proximal muscle weakness with easy fatiguability since childhood. Two muscle specimens biopsied at the age of 28 years revealed myriads of 1-3-mum wide abnormal spaces containing neutral fat in type I and type II fibers. Both biopsies demonstrated a type I fiber preponderance. Electron microscopy demonstrated lipid excess and normal mitochondria by simple inspection. The mitochondrial area and sarcotubular membrane profile concentration in morphometry of longitudinal sections were also normal. Cross-sections, however, revealed a slight decrease of the individual mitochondrial size and of the sarcotubular membrane profile concentration . Serum and muscle carnitine levels and the muscle carnitine palmityltransferase level were all within normal range. Besides carnitine deficiency other biochemical defects can occur in lipid storage myopathy, which represents a syndrome rather than a unique disease entity.
This is the second case reported in the literature involving transitional cell carcinoma in an ileal loop. The case is described and the literature reviewed.
A case of primary reticulum cell sarcoma of the prostate gland is presented. This is the seventh well-documented case we have found in the literature. No evidence of extraprostatic extension has been found two and a half years after diagnosis was made, despite no chemotherapy nor radiotherapy.
Preoperative lymphangiography was done on 18 patients with bladder cancer and the results were correlated with the surgicopathological findings at the time of radical cystectomy and pelvic lymph node dissection. Correlation between radiological and pathological findings showed no falsely negative results. One patient had a falsely positive interpretation of lymphangiography. The accuracy of the study was 94 per cent. Accurate interpretation of lymphography is related to the experience of the reader. Routine use of lymphangiography in clinical staging of bladder cancer is recommended.
We assigned 49 patients with transitional cell carcinoma of the bladder to 1 of 3 groups: 21 patients (group 1) received cyclophosphamide alone, 10 patients (group 2) received adriamycin alone and 18 patients (group 3) received cyclophosphamide and adriamycin. The objective responses were 52.3 per cent in group 1, 10 per cent in group 2 and 50 per cent in group 3. These results suggest a significant activity of the drugs (especially in groups 1 and 3) tested in bladder cancer.