Physical therapy , speech and language therapy , counseling . National Library of Medicine. An approach by occupational therapy is useful in children, especially those who have dyspraxia. While no cure is known, a number of treatments may help. From the onset of puberty, the existing testosterone deficiency can be compensated by appropriate hormone replacement therapy. Not to be confused with XYY syndrome. In other projects Wikimedia Commons. In adults, possible characteristics vary widely and include little to no sign of affectedness, a lanky , youthful build and facial appearance, or a rounded body type with some degree of gynecomastia increased breast tissue. Analogous XXY syndromes are known to occur in cats —specifically, the presence of calico or tortoiseshell markings in male cats is an indicator of the relevant abnormal karyotype.