Christophers E
Hautarzt. 1975 Oct;26(10):543-4.
In two patients (mother and daughter subungual pterygia were seen on the fingers of both hands. The abnormalities were congenital and painful. A disproportional extension of the nail bed epithelium with dislocation of the hyponychiuum is the suggested cause of this entity. No useful therapy was found.
两名患者（母亲和女儿）双手手指均出现甲下翼状胬肉。这些异常为先天性且伴有疼痛。甲床上皮的不成比例延伸以及甲下皮错位被认为是该病症的病因。未发现有效的治疗方法。
