A Case of Infantile Myofibromatosis in a Male Infant / 대한피부과학회지

Infantile myofibromatosis is a rare specific fibrous proliferations of infancy and childhood, but its clinical and histopathological natures are well described. In Korea, only two cases have been reported. We present an additional case of infantile myofibromatosis that developed on the left proximal palm of tow-month-old male infant since birth. The tumor was brownish to red in color, 2.5x 4.0cm in size and firmly palpated. The tumor was not only localized to the skin, but also involved the underlying 4th and 5th metacarpal bone so that caused hypoplasia of those bones.