LearningRadiology - Slipped Capital Femoral Epiphysis

Slipped Capital Femoral Epiphysis

Rare less than nine years of age
Boys more than girls
Plain of cartilage changes during adolescence to more a more oblique one predisposing to easier slipping
Higher incidence of slip from June through September
Usually boys
- Blacks more often
- Ages 10 through 15
- Usually heavier and or taller than others for their age
Younger in girls 8 to 15 years of age
About 20 to 25 percent are bilateral, an occurrence more frequent in girls.
X-ray Findings

Osteoporosis of head and neck on AP view early
Indistinct epiphysis-widened
Line along lateral edge of superior femoral neck on AP doesn't intersect epiphysis
Metaphysis displaced laterally so that it does not overlap posterior lip of acetabulum as normal
Late buttressing medial and posterior on neck