All the following organisms can cause arthritis except: (A) Wuchereria bancrofti, (B) Echinococcus granulosus, (C) Dracunculus medinensis, (D) Trichuris trichiura
Answer is D. Ans. D. Trichuris trichiuraExplanationWuchereria bancrofti causes lymphatic filariasis and occult filariasis.Occult filariasis results due to hypersensitivity reaction to malarial antigen, classical features of lymphatic filariasis are absent.C/F ->> Arthritis, massive eosinophilia, hepatosplenomegaly, cough, dyspnea, glomerulonephritis, thrombophlebitis, tenosynovitis (Panikers Parasitology, p210).Dracunculus medinensis --> It makes a painful papule that enlarges to form blister, local erythema, urticaria, fever, nausea, pruritius.Complications: Sepsis, local abscess, pyogenic arthritis (Mandell's infectious diseases p no. 3589).Case study reveals a case of monoarthritis caused by Echinococcus granulosus