Don McClellan

Learn More
Ultrasonography has evolved into a nonhazardous relatively inexpensive means of diagnosing biliary tract disease. It is considered to have a 95 per cent sensitivity for the diagnosis of cholelithiasis. Occasionally, a small contracted gallbladder associated with stones and chronic cholecystitis will be difficult to visualize with ultrasonography. Two(More)
A 17.5-year-old previously healthy girl presents with lack of breast development and menarche. She denies any abdominal pain, fatigue, headache, or vision changes. She also denies excessive exercise or dieting. She is not taking any medications. She has never been sexually active and denies any drug abuse. Her mother and older sister achieved menarche at(More)
  • 1