now updated to reflect the usmle step 2 exams with greater emphasis on case presentations and diagnostic skills. new editions features approximately 400 new clinical vignettes with 500 accompanying questions. with expanded answers reference to leading textbooks or journal articles.the ideal study tool for students preparing to take step 2 of the umsle. presents 75 clinical cases for review, accompanied by x-rays and ct scans. each case is followed by two to three multiple-choice questions designed to test students understanding of clinical and pathological topics. the pretest also shows how to read x-rays and ct scans from a clinicians point of view and provides algorithms to aid in differential diagnosis. clinical pearls and algorithms promote accurate patient diagnosis and management skills.