pachydermodactyly

pach·y·der·mo·dac·ty·ly

(pak'ē-der'mō-dak'ti-lē),
Digital swelling due to diffuse fibromatosis occurring on the proximal interphalangeal joints of the index, middle, and ring fingers (sometimes involving the fifth finger, rarely the thumb); a familial form exists [MIM 600356].

pach·y·der·mo·dac·ty·ly

(pak-ē-dĕr'mo-dak'ti-lē)
Digital swelling due to diffuse fibromatosis occurring on the proximal interphalangeal joints of the index, middle, and ring fingers (sometimes involving the fifth finger, rarely the thumb); a familial form exists.