A 44 year-old male presents with a several-week history of progressive weakness and visual changes. His family has noted a personality change over the past few months. An MRI shows multifocal, non-enhancing lesions involving the cortical white matter. A biopsy of one of the lesions is shown here. (more…)
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…)
A 42 year-old female presents with tinnitus and hearing loss, and is found to have a mass at the cerebellopontine angle. A biopsy section is shown here. (more…)
A 52 year-old male presents with abdominal pain and bloody diarrhea which had a gradual onset over the last 3 weeks. He has lost 8 pounds during this period of time. A cecal biopsy is performed, and a representative section is shown here at two magnifications. (more…)
A 58 year-old female with a several-year history of pelvic pain and menometrorrhagia undergoes hysterectomy. Gross examination of the uterus reveals several rubbery white masses with a whorled appearance. (more…)
A 36 year-old female presents with this painless nodule on her lower leg. She notes that its size fluctuates, but that it is usually around 1 cm in diameter. When squeezed, the nodule dimples inward. (more…)
A 6 month-old male infant presents with failure to thrive. His mother notes that he has loose, foul smelling stools. A representative field of his blood smear is shown here. (more…)
A 62 year-old male presents with hepatosplenomegaly, skin lesions, and cardiomyopathy. A representative field of his blood smear is shown here. (more…)
Here’s a case that involves a very pretty cell. Once you know what this cell is, you won’t forget it – it’s that unusual and memorable! (more…)
Here’s a case that many a first-year pathology resident has missed. Once. (more…)
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