This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Avascular Necrosis, Subject name: Orthopaedics
True about Slipped femoral capital epiphysis is? 
Select and explain. 
A. Seen in thin children, B. Treethowan sign seen, C. Major traumatic condition, D. Seen in adults
B: Treethowan sign seen
Answer: B: Treethowan sign seen 
Explanation: ANSWER: (B) Treethowan sign seenREF: Tachdjian's pediatric orthopedics 3rd edp. 711-39, Apley's 8th edp. 426 -430SLIPPED FEMORAL CAPITAL EPIPHYSIS (SFCE)Seen in adolescent children in age group of 13-15yrsEither overweight or sexually immaturePresents with endocrinopathiesHypothyroidismGrowth hormone excessCRFCraniopharyngiomaHypogonadismKlienfelter s syndrome may present as SFCETreethowan s sign on x-rayUSG or CT more sensitive in detecting early slipTc 99 scan shows increased uptakeRx is prompt surgery