Case 176. 

Leishmania tropica infection (cutaneous leishmaniasis) (64 y-o M)
　 　 　 　
　 Biopsy from a 4 x 2 cm painless neck nodule with central ulceration in a Japanese man who traveled in India 　
　 　 　 　

　

 　 Leishmaniasis is transmitted by 2-3 mm-sized sandfly Phlebotomus papatasii. The urban type, mainly affecting the head and neck skin, is caused by L. tropica and prevailing in India through the middle east. Dogs carry this protozoa.