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Dive into the research topics where George Baumgartner is active.

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Featured researches published by George Baumgartner.


Cancer | 1976

Combination radical surgery and multiple sequential chemotherapy for the treatment of advanced carcinoma of the testis (stage III).

Claude Merrin; Hiroshi Takita; Rolf Weber; Zew Wajsman; George Baumgartner; Gerald P. Murphy

Nineteen patients with advanced testicular carcinomas (Stage III) were treated by a combination of multisequential chemotherapy with vinblastine, bleomycin, platinum, adriamycin, cytoxan, actinomycin D, and reductive surgery. Of the sixteen patients who were operated on 10 patients are alive and free of disease from 5 to 15 months. Two patients are alive with residual disease and four patients died. (Three were free of malignant tumor and one had residual malignant disease.) Three patients are still receiving preoperative chemotherapy. Pathology reported benign tumors in 8 out of 16 patients operated on. All these patients were previously treated with multiple chemotherapy. Several facts emerge from this study: (1) the great effectiveness of the combination of multisequential chemotherapy and reductive surgery to produce complete clinical remission in advanced testicular carcinomas (63.6%, 13 out of 19 patients); (2) the possibility of benign transformation of these tumors (50%, 8 out of 16); (3) the importance of the second‐look surgery in testicular tumors.


The Journal of Urology | 1976

Chemotherapy of Advanced Carcinoma of the Prostate with 5-Fluorouracil, Cyclophosphamide and Adriamycin

Claude Merrin; William Etra; Zew Wajsman; George Baumgartner; Gerald P. Murphy

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.


The Journal of Urology | 1975

Chemotherapy of Bladder Carcinoma with Cyclophosphamide and Adriamycin

Claude Merrin; Ruben Cartagena; Zew Wajsman; George Baumgartner; Gerald P. Murphy

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.


The Journal of Urology | 1975

Evaluation of Lymphangiography for Clinical Staging of Bladder Tumors

Zew Wajsman; George Baumgartner; Gerald P. Murphy; Claude Merrin

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.


Urology | 1975

Transitional cell carcinoma of ileal loop following cystectomy

Zew Wajsman; George Baumgartner; Claude Merrin

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.


Urology | 1976

Nonhormonal chemotherapy for disseminated renal cell carcinoma

Patrick J. Cannon; Zew Wajsman; George Baumgartner; Claude Merrin

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.


Urology | 1975

Neuroblastoma presenting as renal cell carcinoma in an adult.

George Baumgartner; John F. Gaeta; Zew Wajsman; Claude Merrin

A rare case of a fifty-six-year-old female with neuroblastoma is presented. Possible implications as to etiology are discussed, and the radiographic similarities between renal cell carcinoma and neuroblastoma are presented.


Urology | 1975

Preliminary reticulum cell sarcoma of prostate gland

Ruben Cartagena; George Baumgartner; Zew Wajsman; Claude Merrin

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.


The Journal of Urology | 1976

The value of palliative spinal surgery in metastatic urogenital tumors.

Claude Merrin; Anthony M. Avellanosa; Charles West; Zew Wajsman; George Baumgartner

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).


The Lancet | 1975

Letter: Benign transformation of testicular carcinoma by chemotherapy.

Claude Merrin; George Baumgartner; Zew Wajsman

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Charles F. McKiel

Rush University Medical Center

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