[A case of hormone/docetaxel-refractory prostate cancer in which PSA level decreased after docetaxel+zoledronic acid treatment].

The patient was a 63-year-old man who had a recurrence and bone metastasis of prostate cancer after total prostatectomy. He was diagnosed with prostate cancer refractory to hormones. Subsequently, the PSA level decreased after docetaxel therapy, but then gradually increased.

[Retroperitoneal Castleman's disease presenting characteristic image finding].

A 30-year-old woman was hospitalized in our institute with fever up and abdominal pain. Computerized tomography showed a retroperitoneal mass (8 cm in diameter) with arborizing calcification, which was enhanced homogeneously in the arterial phase. The operation was performed and parthological diagnosis revealed hyaline vascular type Castleman's disease.

[Two cases of renal cell carcinoma with diabetes mellitus that was healed after nephrectomy].

Two cases of renal cell carcinoma presenting with uncontrolled diabetes mellitus are reported. A 61 and 64-year-old women with hyperglycemia were incidentally found to have a right renal tumor. Laboratory investigation of both cases revealed glucose of 324 mg/dl and 357 mg/dl, HbAlc of 9.