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Cytomorphological Variations of Leishman-Donovan Bodies Found in Cutaneous Leishmaniasis Patients in Sri Lanka

Infectious Microbes & Diseases 2023年第2期5卷 93-100页

作者： Arumugam Murugananthan Kanchana P.Amarasinghe Gayanie W.Rathnaweera ponnathurai t.amalraajan Rajadurai Arulenthiran Department of Parasitology Faculty of MedicineUniversity of JaffnaJaffnaSri Lanka Department of Zoology Faculty of ScienceUniversity of JaffnaJaffnaSri Lanka Dermatology Unit National HospitalColomboSri Lanka.

Leishmania parasites undergo a dimorphic life *** of cutaneous leishmaniasis(CL)is primarily made by the microscopic identification of the amastigote form of the parasite in a ***,correct identification of Leishman-Donovan(LD)bodies in smears is crucial for CL *** aim of this study was to provide a broad overview of different cytomorphologies of LD bodies to improve the sensitivity of microscopic detection of Leishmania donovani,which causes CL in Sri Lanka.A total of 125 smears,prepared from patients who met the positive diagnostic criteria of CL,were Giemsa stained and examined *** density,cellular location and all possible cytomorphological forms of the parasite were documented.A total of 10 different cytomorphological forms of LD bodies were *** them,the round form was observed only *** other morphological forms,namely the pear shape,cigarette shape,candle flame form,embryo shape,flagellate form,binary form and rosette form,were found only *** spindle form and lens shape were observed in both intracellular and extracellular *** amastigotes have a wide range of morphologies besides their classical *** Leishmania are considered as obligatory intracellular parasites,theymanage to survive successfully within the extracellular hostile conditions as ***,having a broader view of different morphological forms for Leishmania parasites may help to improve diagnosis of CL.

关键词： cutaneous leishmaniasis Leishmania donovani cytomorphology amastigote diagnostic microscopy

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