The University of Pittsburgh School of Medicine's Department of Pathology has compiled a series of case studies to help both students and instructors in the health sciences field. The patient treated in this case is a 20 year-old man with flank pain. Information on the initial examination and lab results are provided in the âPatient Historyâ section. The âGross Description,â âMicroscopic Description,â âImmunofluorescence Examinationâ and âElectron Microscope Examinationâ sections provide key information and images that contributed to the patientâs diagnosis. Clicking on the âFinal Diagnosisâ will lead you to a thorough explanation of the diagnosis and illness from the patientâs doctors.