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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Chondrosarcoma X Ray

Introduction

Overview

Overview

On x-ray, chondrosarcoma is characterized by lytic lesion, intralesional calcification, endosteal scalloping, and cortical remodeling.

X Ray

X Ray

Views

  • AP and lateral view of the affected bone is needed.

Findings

  • An x-ray may be helpful in the diagnosis of chondrosarcoma. Findings on an x-ray suggestive of chondrosarcoma include: :[1][2][3][4]
    • Lytic or blastic lesion
    • Intralesional calcification classicaly called as popcorn calcification.
    • Endosteal scalloping affecting more than two thirds of the cortical thickness
    • Moth eaten appearance or permeative appearance in higher grade tumors.
    • Cortical remodeling, thickening and periosteal reaction seen in mesenchymal chondrosarcoma.
    • These findings are useful in distinguishing between an enchondroma and low grade chondrosarcoma.
    • De-differentiated chondrosarcomas radiographically show a lower grade chondroid lesion with superimposed highly destructive area consistent with the high grade transformed dedifferentiated chondrosarcoma.
Xray of knee showing chondrosarcoma of distal femur.Source: Case courtesy of Dr Domenico Nicoletti, Radiopaedia.org, rID: 30655
References

References

  1. ↑ Peabody, Terrance (2014). Orthopaedic oncology : primary and metastatic tumors of the skeletal system. Cham: Springer. ISBN 9783319073224.
  2. ↑ Czerniak, Bogdan (2016). Dorfman and Czerniak’s bone tumors. Philadelphia, PA: Elsevier/Saunders. ISBN 9780323023962.
  3. ↑ Marco RA, Gitelis S, Brebach GT, Healey JH (2000). “Cartilage tumors: evaluation and treatment”. J Am Acad Orthop Surg. 8 (5): 292–304. PMID 11029557.
  4. ↑ Frassica FJ, Unni KK, Beabout JW, Sim FH (1986). “Dedifferentiated chondrosarcoma. A report of the clinicopathological features and treatment of seventy-eight cases”. J Bone Joint Surg Am. 68 (8): 1197–205. PMID 3021775.


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Rohan A. Bhimani, M.B.B.S., D.N.B., M.Ch.[2]