This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Neoplasia), Subject name: Surgery
[{'content': 'Sacrococcygeal teratoma is associated with: \nSelect and explain. \nA. Meningocele, B. Cardiac detects, C. Hepatic cysts, D. Cystic adenoid malformation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: A (Menigocele) Ref: Robbins and Cotran Pathologic Basis of Disease: 8th editionExplanation:Sacrococcygeal TeratomasMost common teratomas of childhoodAccounts for 40% or more of casesFour times more common in girlsApproximately 10% of sacrococcygeal teratomas are associated with congenital anomaliesPrimarily defects of the hindgut and cloacal regionMid line defectsMeningocele and spina bifidaApproximately 75% of these tumors are mature teratomas, and about 12% are unequivocally malignant and lethal. The remainder is immature teratomas.Most of the benign teratomas are encountered in younger infants (<4 months), whereas children with malignant lesions tend to be older.Other sites for teratomas in childhood include:TestisOvariesMediastinumRetroperitoneumHead and neck.', 'role': 'assistant'}]