How to remember which MHC receptor is which
The MHC (major histocompatibility) complex is a collection of genes on chromosome 6. It’s organized into three regions: the class I region, the class II region, and the class III region. (more…)
Real examples of hypersensitivity reactions
Sometimes we (okay, I) get so caught up in describing pathologic mechanisms that real-life examples get the short end of the stick. Let’s look at some real diseases in which the underlying problem is a hypersensitivity reaction. (more…)
Benign vs. malignant hypertension
Q. I’m a bit confused on terminology. Is secondary hypertension the same as malignant? (more…)
Hypersensitivity reactions
Here’s a summary of those four pesky hypersensitivity reactions you will definitely be asked questions on at some point. (more…)
How to heal a cat scratch
Here’s a general pathology concept that is important not only for boards but for real life: skin wound healing. (more…)
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