15-year-old patient with left hip pain:
– X-rays requested
What is the next step?
What is the next step?
MRI


What is the most likely diagnosis?
What is the most likely diagnosis?
Femoral stress fracture
MRI findings linear low-signal pattern on the medial aspect of the femoral neck, accompanied by bone marrow oedema
Surrounding cortical thickening and solid periosteal reaction
Reference: Shelat NH et al: Pediatric stress fractures: a pictorial essay. Iowa Orthop J. 36:138-46, 2016



Osteoid oateoma
is CT necessary/appropriate to further evaluate the lesion?
Osteoid osteoma
stress fracture of Lt. femoral neck
MRI for proper assesment of labrum status ( FAI Pincer, crossiver sign: craneal retroversion) and confirm stress fracture of femoral neck vs less probable osteoid osteoma.