Spondyloepimetaphyseal dysplasia (SEMD) Pakistani type, also known as brachyolmia type 4, is characterized by short, bowed lower limbs, mild brachydactyly, enlarged knee joints, and early-onset osteoarthropathy. Radiographs show delayed epiphyseal ossification in hips and knees. Nonsense mutation in ATPSK2/PAPSS2 has been reported.
Category
Congenital malformation
Brite
Human diseases in ICD-11 classification [BR:br08403]
20 Developmental anomalies
Multiple developmental anomalies or syndromes
LD24 Syndromes with skeletal anomalies as a major feature
H00761 SEMD, Pakistani type
Miyake N, Elcioglu NH, Iida A, Isguven P, Dai J, Murakami N, Takamura K, Cho TJ, Kim OH, Hasegawa T, Nagai T, Ohashi H, Nishimura G, Matsumoto N, Ikegawa S
Title
PAPSS2 mutations cause autosomal recessive brachyolmia.