The clinical and pathologic features of 43 cases of malignant renal tumor with mixed histopathologic features are presented. The characteristic features of embryonal nephroblastoma (Wilms' tumor) of infancy and childhood were seen in five adult cases. Renal-cell carcinoma, intimately associated with a more pleomorphic spindle-cell or giant-cell malignancy resembling sarcoma, was the lesion in 37 cases. Areas of osteogenic sarcoma were noted in three tumors of this latter group and foci of transition of carcinoma cells to pleomorphic sarcomatoid cells could be demonstrated. A third distinctive mixed malignant tumor (one case in the series) was a transitional-cell carcinoma of the kidney with a pleomorphic malignant-appearing spindle-cell stromal component. The term “sarcomatoid” is appropriate in the present incomplete state of knowledge of these unusual malignant neoplasms.

https://acsjournals.onlinelibrary.wiley.com/doi/pdf/10.1002/1097-0142%28196809%2922%3A3%3C545%3A%3AAID-CNCR2820220308%3E3.0.CO%3B2-4

Sarcomas and sarcomatoid and mixed malignant tumors of the kidney in adults—part III

The following clinical classification of ureteral anomalies places the emphasis of primacy upon the most common and important of these entities. Anomalies that are frequently associated have been grouped together.

Anomalies of the Ureter

Benign Multilocular Cystic Nephroma: Report of Two Cases of So-Called Multilocular Cyst of the Kidney

Adult Wilms tumor: a report of prolonged survival and review of literature.

Ormond S. Culp

Papers

Ureteral Diverticulum: Classification of the Literature and Report of an Authentic Case

Mesoblastic nephroma in adults; a clinico-pathologic study of Wilms' tumors and related renal neoplasms.

War Wounds of the Genito-Urinary Tract: Early Results Observed in 160 Patients Treated in the European Theater of Operations1

Early correction of congenital chordee and hypospadias.

Diverticulum of the ureter: report of another authentic case.