This is a case study presented by the University of Pittsburgh Department of Pathology in which a 40-year-old man was found to have an enlarged right axillary lymph node. Visitors are given the patient history,...

This is a case study presented by the University of Pittsburgh Department of Pathology, which describes a 35-year-old man with no significant past medical history who developed a firm mass below the right ear over the...

This is a case study presented by the University of Pittsburgh Department of Pathology which presents a 43 year old man with a "seizure" of dizziness associated with difficulty in walking and performing simple movements....

This is a case study presented by the University of Pittsburgh Department of Pathology in which a 68-year-old white female with a "history of coronary artery disease, angina, and chronic obstructive pulmonary disease...

This is a case study presented by the University of Pittsburgh Department of Pathology in which a 19-year-old man presents to the hospital with headaches, nausea, and fever after falling into stagnant water and ingesting...