Dysmorphic facies and diffuse posterior spine ankylosis in a patient with unusual form of spondyloenchondrodysplasia (Spranger type IV).
We describe a male patient, who was seen for the first time at the age of 8 years because of short trunk dwarfism. Spine radiographs showed platyspondyly with irregular areas of increased and decreased mineralization (irregular spotted appearance within lytic lesions located along the posterior vertebral bodies of the entire spine). Skeletal survey showed no enchondromatous lesions of the short/long tubular bones. At the age of 17, progressive spine stiffness associated with stooping posture developed. 3DCT scanning showed pathological transformation of the spinal enchondromas into generalized ossification and thickening of the posterior vertebral elements (vertebral laminae, supraspinal, and interspinal ligaments, respectively) causing effectively the development of a diffuse posterior spinal ankylosis. We report what might be a unique subtype of spondyloenchondrodysplasia (Spranger type IV).
First Medical Department, Ludwig Boltzmann Institute of Osteology, Hanusch Hospital of WGKK and AUVA Trauma Center Meidling, Heinrich Collin Str. 30, 1140, Vienna, Austria. ali.alkaissi@osteologie.at
Ali
A
Al Kaissi
Farid
F
Ben Chehida
Maher
M
Ben Ghachem
Klaus
K
Klaushofer
Franz
F
Grill
D000293:Adolescent; D017668:Age of Onset; D000844:Ankylosis / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology; D001327:Autoimmune Diseases / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology*; D002648:Child; D019066:Facies; D006801:Humans; D008297:Male; D010009:Osteochondrodysplasias / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology*; D011859:Radiography; D013122:Spinal Diseases / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology*; D013131:Spine / Q000473:pathology