Premium
Longterm follow‐up in chondrodysplasia punctata, tibia–metacarpal type, demonstrating natural history
Author(s) -
Savarirayan Ravi,
Boyle Robert J.,
Masel John,
Rogers John G.,
Sheffield Leslie J.
Publication year - 2003
Publication title -
american journal of medical genetics part a
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.064
H-Index - 112
eISSN - 1552-4833
pISSN - 1552-4825
DOI - 10.1002/ajmg.a.20383
Subject(s) - medicine , surgery , short stature , dysplasia , tibia
Abstract We report the longterm clinical and radiological progression in three unrelated patients with the tibia–metacarpal form of chondrodysplasia punctata (CDP‐TM). The patients were followed for 37, 25, and 32 years, respectively. At follow‐up intellectual function was normal, and physical function was well preserved. There was also marked resolution of several significant early radiographic features. The patients attained adult heights of 152, 138, and 148 cm. Two patients had chronic serous otitis media requiring tympanostomy tubes during childhood. One patient suffered persisting back pain related to spinal stenosis and required lumbar laminectomy at the age of 26 years. One patient had hip dysplasia requiring orthopedic surgical intervention. All patients had recurrent patella dislocation. Sterol and very long chain fatty acid profiles, FISH analysis for SHOX gene deletions, blood lymphocyte karyotype, and phytanic acid levels were normal in those tested, and no mutations in arylsulfatase D and E genes were detected. These data suggest that the longterm clinical and functional prognosis in this condition appears to be better than that expected based on initial clinical and radiological findings. © 2003 Wiley‐Liss, Inc.