What are the treatments for SADDAN ?
These resources address the diagnosis or management of SADDAN:  - Gene Review: Gene Review: Achondroplasia  - Genetic Testing Registry: Severe achondroplasia with developmental delay and acanthosis nigricans  - MedlinePlus Encyclopedia: Acanthosis Nigricans   These resources from MedlinePlus offer information about the diagnosis and management of various health conditions:  - Diagnostic Tests  - Drug Therapy  - Surgery and Rehabilitation  - Genetic Counseling   - Palliative Care