Leopard syndrome
A physical examination may show signs of mild pulmonic stenosis (obstruction of the pulmonic heart valve) and obstructive cardiomyopathy.
Tests:
Gibbs NF, Makkar HS. Disorders of Hyperpigmentation and Melanocytes. In: Eichenfield LF, Frieden IJ, Esterly NB, eds. Textbook of Neonatal Dermatology. 2nd Ed. Philadelphia, Pa: Saunders Elsevier; 2001: p. 196.