• 1. Casadei R, Ricci M, Ruggieri P, et al. Chondrosarcoma of the soft tissues? Two different sub-groups. J Bone Joint Surg Br 1991; 73:162168.

    • Search Google Scholar
    • Export Citation
  • 2. Popovitch CA, Weinstein MJ, Goldschmidt MH, et al. Chondrosarcoma: a retrospective study of 97 dogs (1987–1990)? J Am Anim Hosp Assoc 1994; 30:8185.

    • Search Google Scholar
    • Export Citation
  • 3. Kojima D, Hatai H, Oyamada T, et al. Extraskeletal myxoid chondrosarcoma with systemic metastasis in a five-month-old Irish Setter dog? J Vet Med Sci 2012; 74:10451049.

    • Search Google Scholar
    • Export Citation
  • 4. Nakashima Y, Unni KK, Shives TC, et al. Mesenchymal chondrosarcoma of bone and soft tissue? A review of 111 cases. Cancer 1986; 57:24442453.

    • Search Google Scholar
    • Export Citation
  • 5. Miller JM, Walshaw R, Bourque AC. Primary splenic mesenchymal chondrosarcoma in a dog Can Vet J 2005; 46:163165.

  • 6. Shapeero LG, Vanel D, Couanet D, et al. Extraskeletal mesenchymal chondrosarcoma? Radiology 1993; 186:819826.

  • 7. Chen Y, Wang X, Guo L, et al. Radiological features and pathology of extraskeletal mesenchymal chondrosarcoma? Clin Imaging 2012; 36:365370.

    • Search Google Scholar
    • Export Citation
  • 8. Hashimoto N, Ueda T, Joyama S, et al. Extraskeletal mesenchymal chondrosarcoma: an imaging review of ten new patients? Skeletal Radiol 2005; 34:785792.

    • Search Google Scholar
    • Export Citation

Advertisement

What Is Your Diagnosis?

View More View Less
  • 1 Department of Veterinary Clinical Sciences, College of Veterinary Medicine and Department of Cancer Biology and Genetics, College of Medicine, The Ohio State University, Columbus, OH 43210.
  • | 2 Department of Veterinary Clinical Sciences, College of Veterinary Medicine.
  • | 3 Department of Veterinary Biosciences, College of Veterinary Medicine.
  • | 4 Department of Veterinary Clinical Sciences, College of Veterinary Medicine.
History

An 8-year-old 49.0-kg (108.0-lb) castrated male Golden Retriever was referred for evaluation of a slow-growing mass overlying the caudolateral aspect of the left elbow joint. The mass was first noticed 3 months earlier; however, the dog had no clinical signs of discomfort. One week prior to referral, the referring veterinarian obtained a fine-needle aspirate of the mass; cytologic evaluation revealed mesenchymal neoplasia.

Physical examination revealed a 7.5 × 6 × 7-cm firm and firmly fixed subcutaneous mass on the caudolateral aspect of the left elbow joint. No other physical, gait, or musculoskeletal abnormalities were detected. Findings on CBC and

Contributor Notes

Dr. Birchard's present address is MedVet Toledo, 2921 Douglas Rd, Toledo, OH 43606.

Address correspondence to Dr. Hildreth (hildreth.13@osu.edu).