XX，男，15岁，因自幼驼背而来诊。父母非近亲结婚，外祖父有驼背畸形。体检：智力正常，营养一般，头颅大小正常，左侧颧骨较右侧略高，致面部稍显不对称，五官端正，牙齿稀疏不齐，颈短肩耸（左肩高突），头似沉陷状，鸡胸弓背，肋无串珠，臀部后翘，四肢发育正常，手指纤细 XX, male, 15 years old, came to clinic because of her childhood. Parents non-relatives get married, grandfather has humpback deformity. Physical examination: normal intelligence, general nutrition, normal head size, the left cheekbone slightly higher than the right, causing the face slightly asymmetric, facial features, teeth sparse, short shoulders (left shoulder protrusion), head-like depression Shape, chicken breast bow, ribs without beads, buttocks after Alice, limbs normal, finger slender