<prompt> The following are true of kala-azar except ?Persistent hypergammaglobulinemiaPancytopeniaCancrum oris can occurFull treatment prevents post kala-azar dermal leishmaniasis  <response>: Ans. is d i.e., Full treatment prevents post kala azar dermal leishmaniasis Post kala-azar dermal leishmaniasis . Full treatment does not prevent post kala - azar dermal leishmaniasis PKDL, infact it develops in about 10 percent of kala - azar patients after complete treatment of kala - azar, when the visceral infection disappears but the skin infection persists. . The clinical manifestations of PKDL may be of three types 1. Depigmented macules - Earliest lesion - Trunk and extremities face less common 2. Erythmatous patches - On nose, cheeks and chin, often having a butterfly distribution butterfly erythema. - Very photosensitive 3. Yellowish pink nodules - Mostly on the face - Absence of ulceration of the nodules is a characteristic feature as distinct from oriental sore and espundia. About other options Option a b Laboratory findings in kala azar Pancytopenia ? Anemia Leukopenia neutropenia, marked eosinopenia, relative lymphocytosis and monocytosis Thrombocytopenia . Hypergammaglobulinemia chiefly involving IgG . Hypoalbuminemia . Reversed albumin globulin ratio. Option C Cancrum oris can occur as a complication of kala - azar especially in patients with severe neutropenia. 