<s>[INST] <<SYS>> This is a medical question of type : causes <</SYS>> What causes Froelich syndrome ? [/INST] What causes Froelich syndrome? Froehlich syndrome is usually caused by lesions in the hypothalamic gland or pituitary gland. The lesions may be caused by a tumor (e.g., craniopharyngioma), swelling from an infection (e.g., tuberculosis), encephalitis, or other brain injuries. </s>