Morphological and immunohistochemical clues for the diagnosis of cutaneous leishmaniasis and the interpretation of CD1a status

(1) L infantum is CD1a+, (2) the pattern of CD1a immunostaining of amastigotes is peculiar, (3) CD1a− amastigotes are found in reticular areas of the dermis, and (4) visceral Leishmania amastigotes also express CD1a.