A case of choroidal metastasis from renal cell carcinoma significantly reduced by radiotherapy.

Introduction: Choroidal metastasis from renal cell carcinoma is relatively rare and unresponsive to systemic treatment.

Case Presentation: A man in his eighties with left renal cell carcinoma and pulmonary metastasis developed visual impairment in the left eye during primary treatment with ipilimumab and nivolumab followed by secondary treatment with cabozantinib. Consultation with an ophthalmologist revealed choroidal metastasis, which was subsequently treated with local radiotherapy (3 Gy × 10 Fr), resulting in a significant reduction in the metastatic lesions.

Primary signet-ring cell carcinoma of the renal pelvis: An autopsy case.

Introduction: Signet-ring cell carcinoma is an extremely rare histological variant of upper urinary tract carcinoma, associated with poor prognosis.

Case Presentation: We report a case of a 75-year-old female diagnosed with left primary upper urinary tract signet-ring cell carcinoma, initially treated with surgery. Post-surgical development of multifocal metastases was followed by a devastating clinical course.

A case of primary adrenal diffuse large B cell lymphoma presenting with severe hyponatremia.

We herein report a case of primary adrenal lymphoma with severe hyponatremia. The patient was admitted for an evaluation of severe hyponatremia and an enlarged bilateral adrenal mass, which were found in a previous examination for causes of general fatigue and anorexia. Laboratory data, including the serum levels of sodium (115 mEq/L), osmolality (239 mOsm/kgHO), ADH (5.

[IgG4-related kidney disease: a long-term follow up case of pseudotumor of the renal pelvis].

A 69-year-old man had undergone left ureteronephrectomy because of a left renal pelvic tumor, however the pathological diagnosis was inflammatory pseudotumor. About 1 year later, computed tomography showed a mass at the right kidney near the hilar. Ureterorenoscopy and urine cytology were performed, and their results showed no evidence of malignancy.