Hypertrophic osteopathy in dog secondary to pulmonary metastasis of breast neoplasia: Case report

Abstract

Hypertrophic osteopathy is a paraneoplastic disorder characterized by periosteal bone neoformation that is usually associated with primary neoplasms or pulmonary metastases. The diagnosis is made through history, anamnesis, physical and radiographic examinations. The treatment is based on regression of clinical signs with removal of the primary cause, with the prognosis ranging from reserved to unfavorable according to the possibility of resolution of the primary process. A patient of the canine, female, 12-year-old female, without a defined breed, was treated with pain and enlargement in the thoracic limbs, lameness and reluctance to walk. With the findings of the physical examination and radiographic examination associated with the history of previous mammary neoplasia, bone paraneoplastic syndrome was suspected. The present report aims to describe a case of hypertrophic osteopathy secondary to pulmonary metastasis of breast neoplasia in a female dog, describing clinical findings and radiographic examination as diagnostic support and clinical evolution.