A Taiwanese woman with Dowling-Degos disease: An electron microscopic study with pathophysiological significance

Herein we report a rare case of classical Dowling-Degos disease (DDD) in a Taiwanese woman. A 23-year-old Taiwanese woman presented with generalized hyperpigmentation in irregular and reticulated shapes that she had had since junior high school. Her mother and two sisters had also developed similar pigmentations, starting during their teenage years. The patient did not have previous skin lesions or a history of trauma. She did not have any nail...