<prompt> A man developed swelling of face frequently with occassional laryngeal edema, most probable diagnosis is aEURC-1 esterase deficiencyAllergyAnaphylaxsisNot esterase deficiency  <response>: C1 esterase deficiency Ref: Harrison 17Ve p. 2066; Robbins 7e p. 66, 671 Repeat from May 10 Q no.111 