Infantile-Onset Ascending Hereditary Spastic Paraplegia due to a Homozygous ALS2 Exons 24-25 Deletion: Expanding the Genotypic Spectrum.

Summary: Imagine a young boy, just 8 years old, struggling with a rare condition that affects how he moves his legs and controls his eyes. Doctors discovered he has a disease called Infantile-onset Ascending Hereditary Spastic Paraplegia (IAHSP). By using advanced DNA tests, they found something never seen before: a tiny missing piece in a specific gene called ALS2. Because his parents both carried this hidden genetic change, he inherited it. This discovery is a big deal! It shows why doctors should use a mix of special genetic tests to solve medical mysteries in kids. Finding the exact cause helps families get the right answers and support.