21. Chronic use of phenacetin is known to lead to analgesic nephropathy characterized by renal papillary necrosis. 22. Rarely, it is associated with clear cell renal cell carcinoma and papillary renal cell carcinoma. 23. Papillary tumors characteristically show a discrete, compressive border with adjacent pineal gland and brain parenchyma.24. Medullary thyroid cancers can be familial and are often more aggressive than the papillary and follicular varieties. 25. When treated early, most people with papillary cancer of the thyroid have a normal life expectancy. 26. These cusps are also attached via chordae tendinae to two papillary muscles projecting from the ventricular wall. 27. In early 2002, Ebert was diagnosed with papillary thyroid cancer which was successfully removed in February. 28. Mucinous, papillary , cribriform, and tubular carcinomas have longer survival, and lower recurrence rates. 29. It is a closely related condition to inflammatory papillary hyperplasia, but the appearance and location differs. 30. BRAF mutations are frequent in papillary carcinoma and in undifferentiated cancers that have developed from papillary tumors.
