James M. Messmer, M.D.
Professor of Radiology
Senior Associate Dean for Medical Education
Develop your Diagnostic Skills!
In order to get the most out of this brief program:
Look at the radiograph and identify what part of the anatomy is being demonstrated. Analyze the anatomy demonstrated and determine if you see anything that strikes you as "abnormal". Picture in your mind what the pathologic specimen of the demonstrated entity might look like. If you think you can offer a diagnosis click on "diagnosis confirmation". If you cannot find the abnormality click on "a little help" to be pointed toward the abnormality. Go back to step 3.
The following quiz is designed for second year medical students as a way to test your knowledge of Musculoskeletal medicine and to introduce you to basic film interpretation skills. As a second year student, do not be discouraged if you have difficulty in making the correct radiographic observation. This skill is typically learned only after years of practice.
Test your Diagnostic Skills!
History:A 14-year old boy was roughhousing with a friend when he heard a crack and felt a sharp pain in his mid-humerus. Take a look at the accompanying radiograph of his arm. What is the correct terminology to use in describing this fracture? Why did this otherwise healthy young man break his arm from minor trauma?
History:This young adult had vague right hip pain. Take a look at the frontal radiograph of the hip and answer the following question. Is this lucent lesion in the proximal femur benign or malignant?
History:This 22-year old man has had a swollen wrist for several months. Take a look at his radiograph and answer the following questions. Is this lesion benign or malignant? What is the specific name for this bone tumor?
History:A mother brings her baby to you because the child frequently cries. On physical examination you note that the child's sclerae are slightly blue. You obtain a radiograph of the lower extremities. What is this child's diagnosis?
History:A mother brings her slightly overweight child to you for examination. The child complains of left hip pain and he has a noticeable limp on physical examination. Take a look at the radiograph of the pelvis. What is the diagnosis?
History:This eight-year old boy has pain in his right shoulder. You have obtained a radiograph of the shoulder. What is the name of this lesion? What is the malignant potential of this lesion?
History:Your 75-year old male patient has an enlarged prostate gland. He has complained of vague pelvic pain and you obtain this radiograph of the pelvis. Make your observations then answer the following questions. How many areas of abnormal bone can you see? What is the most likely diagnosis?
History:Your fragile 70-year old patient is in great pain. You obtain this radiograph of the pelvis and hip. There are two diagnoses to be made from the radiograph. What are they?
History:Your 15-year old patient has a painful mass in the right mid-arm. View the radiograph of the arm. What radiographic features make this a malignant lesion?
History:Your 40-year old patient fell forward on an outstretched hand. He noticed immediate pain in his elbow. From this one radiograph, can you make the diagnosis?
History:This adult man presents with fever and back pain. You have a single lateral view of the lumbar spine to evaluate. Can you find the abnormality? Why is this lesion not metastatic disease?
History:This 70-year old woman has severe pain in her right hip and pelvis. You have a single frontal view of the pelvis. What is your radiographic diagnosis?
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