THERE are numerous reports in the literature of the past two years on the excellent results obtained with folic acid in the treatment of pernicious anemia, sprue and nutritional macrocytic anemias.

Clear cell papillary renal cell carcinoma is a recently recognized renal neoplasm, composed of cells with clear cytoplasm lining cystic, tubular, and papillary structures. These tumors have ...

Papillary thyroid carcinoma and its variants can be difficult to distinguish from cellular adenomatous nodules. Prior studies have advocated various antibodies to aid in the differential diagnosis, ...