This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infectious Disease, Subject name: Pathology
[{'content': 'Maltese cross can be seen in: \nSelect and explain. \nA. Pneumocystis carinii, B. Leishmaniasis, C. Cryptococcosis, D. Babesiosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (D) Babesiosis(Ref: Robbins and Cotran Pathologic Basis of Disease 10th ed; pg. 379)BabesiosisBabesia microti and Babesia divergens are malaria like protozoans transmitted by ticksReservoir for Babesia microti - White footed mouseBabesia resembles malaria parasite but lacks hemozoin pigmentMalariaBanana shaped gametocytes can be seen in infection by Plasmodium falciparumLeishmaniasisIt can be:#Cutaneous leishmaniasis#Mucocutaneous leishmaniasis (also called espundia)#Visceral leishmaniasisExists as Promastigote and amastigote formsCryptococcosisCryptococcus appears as 5-10 mm yeast forms with thick gelatinous capsuleSpecial stain - MucicarminePneumocystisPneumocystis carinii pneumoniae produces pink frothy discharge.Cup shaped or boat shaped cysts can be seen', 'role': 'assistant'}]