The "circle of hebra" represents the main sites of involvement in: (A) Blister beettle dermatitis, (B) Pediculosis corporis, (C) Scabies, (D) Toxoplasmosis
Answer is C. Circle of Hebra: Imaginary circle intersecting sites of predilection in Scabies ie; Areolae, axillae, elbow flexures, wrists, finger webs, umbilicus, lower abdomen, genitalia. Ref Harrison 20th edition pg 1244