[citation needed] It is named for Dr. Joseph Hanan Patterson.
[3] Patterson syndrome is characterized by the patient's having an unusual facial look, similar to that caused by leprechaunism.
It primarily affects the connective tissue and the neuroendocrine system, giving rise to bronzed hyperpigmentation, cutis laxa of the hands and feet, bodily disproportion, intellectual disability, and major bony deformities.
Radiographs reveal a characteristic generalised skeletal dysplasia.
[citation needed] It comprises endocrine abnormality, hyperadrenocorticism, cushingoid features, and diabetes mellitus.