05-10-2010, 05:59 AM
A 55 year old man has broken the mid shaft of his left humerus while pulling on his lawnmower start cord. An x-ray reveals a pathological fracture on top of a lytic bone lesion. The patient™s bones show fibrosis of the bone along with multiple cystic lesions. The patient states that he has been having a lot of non-specific bone pain recently, been extremely constipated, having crampy abdominal pain, and feeling overly fatigued for the last month. The patient has a history significant for calcium oxalate kidney stones. Which serum profile most accurately matches that of the patient?
A - Increased calcium, increases phosphate, decreased PTH
B - Increased calcium, decreased phosphate, increased PTH
C - Decreased calcium, decreased phosphate, increased PTH
D - Decreased calcium, increased phosphate, normal PTH
E - Normal calcium, normal phosphate, normal PTH
A - Increased calcium, increases phosphate, decreased PTH
B - Increased calcium, decreased phosphate, increased PTH
C - Decreased calcium, decreased phosphate, increased PTH
D - Decreased calcium, increased phosphate, normal PTH
E - Normal calcium, normal phosphate, normal PTH