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Subadult male Gnathostoma spinigerum extracted from the patient. (A) Whole worm, measuring 0.66 cm; (B) short, three-pointed spines just behind cephalic bulb; (C) longer spines on anterior half of body; (D) aspinous area of the posterior body; (E) caudal alae showing round pedunculate papillae and surface texture with simple spines. Photos of spines taken under 200× magnification.
