Monarch Disease Ontology identifier MONDO_0014142 (autosomal recessive limb-girdle muscular dystrophy type 2T) (LGMD2T) is a form of limb-girdle muscular dystrophy, that can present from birth to early childhood, characterized by hypotonia, microcephaly, mild proximal muscle weakness (leading to delayed walking and difficulty climbing stairs), mild intellectual disability and epilepsy. Additional manifestations reported in some patients include cataracts, nystagmus, cardiomyopathy, and respiratory insufficiency. Also known as: GMPPB autosomal recessive limb-girdle muscular dystrophy, LGMD-GMPPB related, LGMD2T, MDDGC14, autosomal recessive limb-girdle muscular dystrophy caused by mutation in GMPPB, muscular dystrophy limb-girdle type 2T, muscular dystrophy-dystroglycanopathy (limb-girdle) type C14, muscular dystrophy-dystroglycanopathy limb-girdle GMPPB-related.