All can cause peripheral neuropathy, Except:

Ans. is 'd' hypothyroidism (Ref.: Harrison, 16/e, p 2503, 2504 (15/e, p 2500); Chandrasoma Taylor, 3/e, p 949).All the given 4 option can cause peripheral neuropathy but hypothyroidism is the rarest cause amongst them so it could be your answer if the same options are repeated.CAUSES OF PERIPHERAL NEUROPATHYMetabolic causesDiabetes*Porphyria*Uremia*Amyloidosis*Deficiency of vitamins* (B1 B6 orBI2)Hypothyroidism *InfectionsHIV*Leprosy*Diptheria*G.B. Syndrome*ToxicDrag (Isoniazid*, Nitrofurantoin*).Alcoholic polyneuropathy*Heavy metals (Lead, Arsenic* Mercury, Gold*)Insecticides, SolventsIschemic neuropathiesDiabetesGiant cell arteritis*SLE*Hereditary neuropathiesRef sum's diseaseCharcot-Marie tooth diseaseCarcinomatous neuropathies (noncompressive nonmetastatic)