Article

Clear cell chondrosarcoma mimicking chondroblastoma in a skeletally immature patient.

Department of Orthopaedic Surgery, Madigan Army Medical Center, Ft. Lewis, WA 98431-5000, USA.
Skeletal Radiology (impact factor: 1.54). 07/2002; 31(6):369-72. DOI:10.1007/s00256-002-0519-7
Source: PubMed

ABSTRACT We report the case of a clear cell chondrosarcoma (CCCS) occurring in the femoral head of a 14-year-old skeletally immature boy. Radiographic examination revealed a well-defined, osteolytic lesion in the epiphysis of the femoral head. Given the patient's age and the radiographic appearance of the lesion, chondroblastoma was high on the differential diagnosis. A frozen section was performed at the time of open biopsy was felt to be consistent with either chondroblastoma or CCCS. CCCS in a skeletally immature patient was felt to be unlikely, so curettage and bone grafting was performed. Final pathology review, however, confirmed the diagnosis of CCCS. The patient was taken back to surgery 4 weeks later for a wide resection and hemiarthroplasty.

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Keywords

14-year-old skeletally immature boy
 
chondroblastoma
 
clear cell chondrosarcoma
 
curettage
 
differential diagnosis
 
femoral head
 
Final pathology review
 
lesion
 
osteolytic lesion
 
patient's age
 
radiographic appearance
 
Radiographic examination
 
skeletally immature patient
 
wide resection