例1 男性,25岁。因结婚1年性生活正常,未育就诊。患者智力及营养中等,头面小,与身材不成正比例。身高172cm,头围55cm。面部皮肤偏白细嫩。头发极少,近乎秃。耳偏大而呈招风状。眼裂大且眼球突出。大鼻头。颊略内凹。尖下颌,颏部略前突。上下门齿及犬齿脱落。眉稀少。无须、无腋毛、阴毛。有喉结。颈后背、上臂及前胸皮肤有棕褐色色素沉着。乳头直径 Example 1 male, 25 years old. 1 year due to marriage normal sex life, non-sterile treatment. Patients with moderate intelligence and nutrition, head small, and not in proportion to the body. Height 172cm, head circumference 55cm. Facial white and delicate skin. Few hair, almost bald. Large ears and was acting like windy. Eye crack and eyeball prominent. Big nose Cheek slightly concave. Sharp jaw, chin slightly protruding. Upper and lower incisors and canine teeth off. Thin brows. No need, no armpit hair, pubic hair. Adam’s apple Neck back, upper arm and chest skin with tan pigmentation. Nipple diameter