This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal System, Subject name: Radiology
Wormian bones are seen in all EXCEPT: 
Select and explain. 
A. Hypothyroidism, B. Down's syndrome, C. Turner syndrome, D. Osteogenesis inperfecta
C: Turner syndrome
Answer: C: Turner syndrome 
Explanation: Ans. c (Turner syndrome) (Ref: Grainger, Diagnostic Radiology, 4th edition, 1949)WORMIAN BONES are intrasutural bony ossicles in lambdoid, posterior sagital, temporo-squamosal sutures of skull.They can be seen in:# Cleido-cranial dysostosis- # Hypothyroidism# Otopalato-digital syndrome# Progeria# Rickets (healing phase)# A Normal infant (upto 6 months of age) # Hypophosphatasia# Idiopathic# Pachydermoperiostitis-Mnemonic: CHOPRA-HIP-PAKDO# Pyknodysostosis# Acroosteolysis-Primary (Hajdu-Cheney disease)# Kinky hair syndrome# Down's syndrome # Osteogenesis imperfecta-