12 year old male
with osteosarcoma distal femur
Step 3: Generate a Differential Diagnosis
Use a Diagnostic Sieve to generate a differential diagnosis list
Diagnostic sieves are a valuable and efficient way of assessing a patient’s symptoms and signs to reach a diagnosis.
Click on the categories that are relevant to this case. Correct answers are highlighted in green.
This could be an early presentation of an inflammatory condition such as Juvenile Rheumatoid Arthritis.Close
The history of swelling and night pain, combined with the exam findings of a hard swelling just below the knee make a neoplasm a definite possibility.Close
Although a stress fracture could possibly present like this, the swelling in the tibia makes it less likely.Close