How does the ESR work?

Q. Could you please explain the ESR?

A. The erythrocyte sedimentation rate (ESR), also called a sedimentation rate or sed rate, is a test that is performed by putting blood in a tube (more…)

BOOP

Q. I wonder if you could help me a bit with an unusual case of pneumonia. Our patient is a 56-year-old male with who woke up one morning with dyspnea, fever and chest pain. (more…)

Is metaplasia pathologic?

Here’s a good question someone asked about metaplasia.

Q. I have a question about metaplasia. It seems that the other types of altered cell activity are classified as either physiologic or pathologic. (more…)

Giant multinucleated cells

There are a bunch of different kinds of big, multinucleated cells in pathology. Here’s a question that you can use to test your knowledge of these cells. (more…)

Owl’s eye nuclei

Q. I’m now studying for USMLE and have something which is really confusing, I’m hoping you might be able to help! I see the term “Owl’s eye” thrown around for both Reed Sternberg cells of Hodgkin’s Lymphoma as well as for CMV. (more…)