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Biomedical subjects

F Clayton

Publications and source records attributed to F Clayton.

39 records · Page 3Linked to original sources

Immunoperoxidase localization of lactalbumin in malignant breast neoplasms.

By an immunoperoxidase method, lactalbumin was demonstrated in the cytoplasm of epithelial cells of normal breast, primary and metastatic breast carcinomas, and benign breast disease. Lactalbumin was present in 39 of 64 breast carcinomas of different types, including 77% (31) of infiltrating ductal carcinomas and 42% (seven) of infiltrating lobular carcinomas. It also was present in 55% (nine) of metastatic breast carcinomas and in 100% (five) of fibroadenomas. Lactalbumin was not observed in normal tissues and malignant neoplasms of other tissues, indicating that lactalbumin can serve as a specific tissue marker for malignant neoplasms of the breast and their metastases.

Adenofibroma↗

ANCA-associated necrotizing/granulomatous glomerulonephritis in an elderly patient; importance of the renal biopsy.

ANCA-associated glomerulonephritis may present initially with renal symptoms, especially in elderly patients. We report a case of ANCA-associated glomerulonephritis in an 80-year-old female presenting with renal insufficiency and proteinuria. There was no evidence of systemic illness at admission. The major finding in the renal biopsy was the presence of granulomas. Additional testing for anti-neutrophil cytoplasmic antibodies (ANCA) was suggested. The ANCA test was positive confirming the diagnosis of ANCA-associated necrotizing/granulomatous glomerulonephritis. The patient responded well to adequate treatment with immunosuppressive therapy. This case demonstrates the importance of the renal biopsy in cases of ANCA-associated glomerulonephritis presenting with renal symptoms.

Acute Kidney Injury↗