Systems Pathology | Pathology Student

What causes fever of unknown origin?

That might sound like “Who’s buried in Grant’s tomb?” or “When was the war of 1812?” but it’s actually a really good question. (more…)

Parvovirus infection in pregnancy

Q. While doing some reproductive medicine practice questions in a boards question bank I came across one I couldn’t reason through and was hoping you could help: (more…)

25 year-old male with rapidly-growing forearm mass

A 25 year-old male presents with a mass on the volar aspect of his forearm. He first noticed the lesion 2 weeks ago, when he developed pain in his arm, and since then it has grown rapidly to reach its current size of approximately 5 cm. (more…)

A 38 year-old male with AIDS and severe headache

A 38 year-old male with advanced AIDS presents with severe headaches, fever and altered mental status, and dies several days later. An autopsy is performed, and a coronal section of the brain is shown here.
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A 13 year-old male with a cerebellar mass

A 13 year-old male presents with a cerebellar mass. A biopsy is performed, and a representative section is shown here. (more…)

A simple summary of glomerulonephritis

I’ve had a lot of emails about glomerulonephritis lately. Most people seem to want help simplifying the mechanisms and types of glomerular diseases (more…)

How do renal diseases present?

I’ve had quite a few questions about renal pathology lately. Some of you want to know how to differentiate renal diseases clinically (is it glomerular? or tubulointerstitial?) (more…)

A 45 year-old male with emphysema and hepatitis

A 45 year-old male presents with pulmonary emphysema and repeated bouts of hepatitis. On liver biopsy, there are numerous eosinophilic, globular inclusions, such as the one at the center of the field.
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Best Pathology Student quizzes

In case you’re feeling ambitious tonight (or, more likely, in a few days), here’s a list of our best Pathology Student quizzes. (more…)

Marfan syndrome, my uncle, and Abraham Lincoln

I have an uncle with Marfan syndrome, and he was kind enough to let me take a couple photos to show some little hand tests you can do to check for Marfan syndrome. (more…)