BACKGROUNDPoroma is a benign cuticular appendageal tumour, first described by Goldman and Pinkus 1956. 1 Its sites of occurrences are sole, 2 scalp, 3 chest and neck 4 and leg. 5 It is very rarely seen in the periungual and subungual region of thumb. A 42-year-old male patient presented with a painless, red colour nodule of 9 years' duration on the thumb which was diagnosed clinically to be a case of angioma. On excision and histopathological study, it was diagnosed as a case of periungual eccrine poroma. Due to its rare occurrence in such a site, I am reporting it.