A rare congenital disorder characterized by missing fingers and toes, abnormal vertebrae and various malformations of the organs.
* Hemivertebrae * Visceral malformations * Underdeveloped lungs * Ventricular septal defect * Urogenital tract abnormalities * Rectal abnormalities * Missing fingers * Missing toes
signs and symptoms of Johnson-Munson syndrome may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Johnson-Munson syndrome symptoms.
Prognosis seems to depend mainly on the severity of visceral malformations. Etiology and inheritance remain unknown