Pulmonary blastoma is a rare primary neoplasm of the lung. Approximately 25% of the reported, cases have occurred in pediatric patients. The authors found 45 cases of these tumors in children aged less than or equal to 16 years, and report two more…
Carcinoma of the urethra is rare with only about 1,500 cases in the literature. Even more rare is carcinoma arising from a urethral diverticulum with about 100 cases reported to date. We report a case of clear cell adenocarcinoma arising from a…
Hypokalemia occurs in 50% to 68% of trauma patients. To investigate the pathophysiology of these changes in serum potassium, we prospectively studied 133 trauma patients. Among the patients who had hypokalemia, the serum potassium usually decreased…
