Monthly Archives: October 2008

The porphyrias

Porphyrias are a group of diseases that result from defective enzymes of heme biosynthesis. The seven different porphyrias correspond to an abnormality of a specific enzyme of the heme biosynthesis pathway. The genes coding for the enzymes are known in

Screening for thyroid cancer

Screening for thyroid cancer in patients with a history of head and neck irradiation. These patients are getting into their 50s and 60s. These are patients who had radiation for the thymus or acne or whatever benign diseases that we

What do we look for?

What do we look for? Basically what this test is looking for is the urease – the enzyme that’s produced by the H. pylori itself – and that cleaves to give them radioactive urea. It cleaves the urea, you get

Bone scans

Bone scans are also very helpful in patients with low back pain. Now, I know you see a lot of low back pain and I don’t expect you to refer patients for a bone scan in every case but somebody

Occult fractures

Occult fractures. Occult fractures, by definition, are not seen on the plain films. If you ever suspect a fracture, you always start with a plain film. They are the least expensive, most cost effective and most helpful study if they

The other thing that is interesting about prostate cancer

The other thing that is interesting about prostate cancer is that we now have two different kinds of agents that we can use for treating prostate cancer with extensive bone metastases. What we are actually treating is the bone pain