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Biomedical subjects

L R Cos

Publications and source records attributed to L R Cos.

31 records · Page 2Linked to original sources

Simplified new approach to endoscopic photography.

Information obtained by endoscopic examination can be shared with others by viewing sequentially through the same endoscope, "teaching attachments" allowing viewing ports through the same instrument, drawings based on the observers' recollection of the findings, and by endoscopic photography. Of these methods, endoscopic photography has the important advantages of speed and faithfulness of reproduction. Herein, we describe a simple technique for endoscopic color still-photography with illustrations of normal and pathologic findings.

Cystoscopy↗

Torsion of intrascrotal malignant testis tumors.

We report 2 cases of torsion of scrotal malignant tumors of the testis. A review of the literature disclosed several instances of torsion of intra-abdominal testicles with malignant tumors and only 1 case of a scrotal testis. The association of torsion and tumor in these cases may represent 2 manifestations of a dysplastic gonad.

Adult↗

Surgery and immunotherapy in renal cell carcinoma involving inferior vena cava.

We herein report 4 cases of renal cell carcinoma with vena caval extension. Appropriate diagnostic studies and a planned surgical approach is the most effective treatment for intravascular spread. Accurate preoperative staging is important for a successful outcome. Although the technical challenges involved in performing a nephrectomy are substantial, these cases illustrate that standard nephrectomy with evacuation of tumor thrombus, ligation of the left renal vein, and even partial resection of the inferior vena cava can be performed with an acceptably low morbidity.

Adenocarcinoma↗

Trauma-induced testicular torsion in children.

Testicular torsion represents an urgent surgical problem, whereas it is usual to treat testicular trauma conservatively initially. Direct trauma to the testis has been suggested and occasionally reported to be associated with torsion of the testis. We herein report three cases of testicular torsion secondary to direct trauma. Review of the mechanism of torsion is included. Torsion must be included in the differential diagnosis of direct testicular trauma and treatment must not be delayed.

Adolescent↗