Abstract. We report the case of a short girl with incomplete GH secretion, who was born by breech delivery with severe asphyxia. GH responses to provocation tests, including insulin and clonidine, and during sleep were partially preserved. Her IGF-I level was very low. MRI showed transection of the pituitary stalk with an ectopic posterior lobe, and syringomyelia involving the whole spinal cord without a Chiari I malformation.