This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'The carpal tunnel syndrome can be caused by all, EXCEPT: \nSelect and explain. \nA. Hypothyroidism, B. Tuberculosis, C. Pregnancy, D. Acromegaly', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Many systemic conditions are strongly associated with carpal tunnel syndrome (CTS). These conditions may directly or indirectly affect microcirculation, pressure thresholds for nerve conduction, nerve cell body synthesis, and axon transpo or interstitial fluid pressures. Peurbations in the endocrine system, as observed in individuals withdiabetes, acromegaly and hypothyroidism and in women who are pregnant, are linked to CTS. Conditions affecting metabolism (eg, alcoholism, renal failure with hemodialysis, mucopolysaccharidoses) also are associated with CTS.', 'role': 'assistant'}]