A rare complication of untreated congenital hypothyroidism in a Sudanese child.

The clinical features and management of a 7-year-old boy who presented with Kocher-Debre-Semelaigne syndrome (KDSS) are described. KDSS is a rare complication of the long-standing, untreated congenital hypothyroidism. It can be encountered in clinical practice in countries where neonatal screening program of hypothyroidism is not yet applied.