Lymphocyte-rich vs. lymphocyte-predominance Hodgkin lymphoma
Q. I’m working on getting all of these lymphomas straight in my head. (more…)
Normal PTT but abnormal bleeding time: does this make sense?
Here’s a great question from a reader:
Q. Is it normal to have a prolonged bleeding time but a normal PTT? (more…)
How does the Schilling test work?
Q. I don’t think I have a good understanding of the Schilling test. If a patient has B12 in their urine does that mean they are absorbing it? (more…)
A 52 year-old male with HIV and diarrhea
A 52 year-old male with HIV presents with profuse, watery diarrhea of 5 days’ duration. A biopsy of the small intestine is shown here. (more…)
Huntington disease
Huntington disease is a neurodegenerative disease that belongs to a category of genetic diseases known as trinucleotide repeat diseases. (more…)
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