A 59 year-old male with a 4 cm cerebral mass
A 59 year-old male presents with severe headaches and fatigue of several months’ duration. A 4 cm, poorly-defined, necrotic left cerebral mass is found on CT and is subsequently biopsied.
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Embolus vs. thrombus
Here are a few very good questions about CNS infarcts. There are two types of CNS infarcts: red (hemorrhagic) and pale (ischemic). (more…)
A 67 year-old female with fatigue and splenomegaly
A 67 year-old female presents with fatigue and marked splenomegaly. After further workup, a bone marrow biopsy is performed, and cytogenetic analysis of the aspirate reveals a Jak-2 mutation. Her blood smear is shown here.
How do heparin and Coumadin affect the coagulation cascade?
Q. I have a question about the coagulation lab tests. I saw that an increased PT would result from Coumadin and Heparin. (more…)
A 72 year-old male with a deep calf mass
A 72 year-old male presents with an ill-defined, deep-seated mass in his right calf. It has grown appreciably in the past few months and is now roughly the size of a golf ball. A core biopsy is performed, and a representative section is shown here.
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