Case 194. Dirofilariasis of skin (49 y-o F)
Excised subcutaneous nodule in the breast
Key words : Dirofilaria immitis, visceral larva migrans
Cut surfaces of the microfilaria are seen in eosinophilic abscess (HE, lower power). Features of creeping disease are seen in this case.   Thick cuticular layer with internal ridges and thick muscle layer are observed. The internal cuticular ridges are characteristic of Dirofilaria. Refer also to case 97.