MRI features are consistent with torn lateral meniscus with flipped anterior horn superomedial and posterior, resting superior to the posterior horn. This case features the following signs of meniscal tear:

• absent bow tie appearance of the lateral meniscus
• ghost meniscus: empty location of the anterior horn of the lateral meniscus
• disproportionate posterior horn sign: avulsed anterior horn of the lateral meniscus that is flipped over and situated above the posterior horn
• flipped meniscus sign or flipped fragment sign

Case courtesy, Prof. Dr. Khaled Matrawy, Professor of radiology, Alexandria university, Egypt.