Upper segment: Lower segment ratio increases in all of the following conditions except-

Dispropoionate sho stature - SHO TRUNK DWARFISM:- US:LS DECREASES Mnemonic - Sho Man May Climb High Spondylo - Epiphyseal dysplasia Mucopolysaccharidosis Mucolipidosis Caries spine (Pott's spine) Veebral defects like (hemiveebrae) - Alagille Syndrome S SHO LIMB DWARFISM:- US:LS INCREASES Mnemonic - R A C O - R -Rickets A - Achondroplasia C - Congenital Hypothyroidism O - Osteogenesis Imperfecta Remember * In Marfan syndrome & Homocystinuria patients have long limbs so, US:LS Decreases Q * Also remember - Endocrine causes are cause of propoionate sho stature except hypothyroidism. Q - So propoionate sho stature is seen in - Growth hormone deficiency.