Too few proteins lead to night blindness, perifollicular hyperkeratosis, xerophthalmia, keratomolacia, increased morbidity and mortality in young children.

维生素不足可导致夜盲、毛囊周化过度、异物笥眼炎、儿童发病我高等。

Histopathologic examination showed hyperkeratosis of epidermis, increased thickness of the granular layer and dilation of subpapillary vessels filled with red blood cells.

组织病理学检查示表皮化过度,呈乳头瘤样生,颗粒层,皮乳头见大量生扩张的毛细血管,管腔内含红细胞,血管周围淋巴细胞浸润。

Histopathology showed moderate hyperkeratosis and rete ridge elongation with the epidermal thinning above the papillar layer and a few melanophages in the dermis.

腋下、腹股沟、乳房下色素沉着15年,无明显自觉症状。