**Glycogenosis I hepatomegalic type** is a genetically determined pathological process characterized by the body’s inability to synthesize or break down glycogen. As a result, glycogen accumulates in various organs, including the liver and kidneys. The most common form of the disease is glycogenosis IH. This type is also called glycogenosis hepatonephromegalic type I (GI HMN).
**Symptoms.** Characteristic symptoms of glycagenosis I HMN are: obesity, enlarged liver, mental and physical retardation, renal failure, decreased hemoglobin levels,