Annotated normal tangential projection (knee)

Case contributed by Samir Benoudina
Diagnosis certain


Normal adult knee.

Patient Data

Age: 35 years
Gender: Male
Annotated image
  1. external cortical surface of patella
  2. patella
  3. medial facet of patella
  4. lateral facet of patella
  5. median patellar ridge
  6. femoropatellar joint
  7. medial trochlear ridge
  8. trochlear groove
  9. lateral trochlear ridge

Case Discussion

Normal knee annotated tangential projection (also known as skyline projection, sunrise view, sunset view, patellofemoral joint view, or Settegast’s view.)

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