Advantages of Surgery and Stereotactic Radiosurgery for Brain Metastases

La radiocirugía estereotáctica es una forma apropiada de tratamiento para los pacientes que tienen una a cuatro metástasis cerebrales, no más de 4 cm de diámetro, de cáncer metastásico. Parece ser eficaz para todos los tipos de tumores primarios, incluso aquellos que se han considerado resistentes a la terapia de radiación convencional.
Continue reading

Indications for Selective Operative Cholangiography

Preoperative Indications

  • Recent history of acute biliary pancreatitis
  • Recent history of jaundice
  • Recent history of cholangitis
  • Abnormal preoperative ultrasound demonstrating a dilated common bile duct or a defect (stone) in the common bile duct
  • Evidence of common bile duct obstruction on hepatobiliary iminodiacetic acid scan (HIDA Scan)
  • Increased serum bilirrubin
  • Increased serum alkaline phophatase
  • Increased serum amylase

Continue reading

Perioperative Cardiovascular Evaluation for Noncardiac Surgery

Clinical Predictors of Increased Perioperative Cardiovascular Risk (Myocardial Infarction, Heart Failure, Death)

Major

  • Unstable coronary syndromes
    • Acute or recent MI* with evidence of important ischemic risk by clinical symptoms or noninvasive study
    • Unstable or severe† angina (Canadian class III or IV) Continue reading

Diagnostic Criteria for Neurocysticercosis

Diagnostic Criteria for Neurocysticercosis

Absolute

· Histologic demonstration of the parasite from biopsy of a brain or spinal cord lesion

· Cystic lesions showing the scolex on CT or MRI

· Direct visualization of subretinal parasites by fundoscopic examination

Continue reading