Resumen

GRANADOS, J. L; MARTINEZ, L. M  y  GALINDO, V. SPONTANEOUS LUNG LOBE TORSION IN A MIXED-BREED DOG FOLLOWED BY AN APENDICULAR BONE NEOPLASM. Rev. Med. Vet. Zoot. [online]. 2013, vol.60, n.1, pp.49-60. ISSN 0120-2952.

In this report, the case of a mixed-breed, female intact, eight-year- old dog, that was presented with a ten-day history of lethargy, anorexia, weight loss, occasional vomiting, coughing and sporadic dispnea is described; the clinical, radiographic and ultrasonographic findings suggested as the most likely diagnosis a lung lobe (right middle) torsion, which was confirmed by means of an exploratory thoracotomy; the therapy included resection of the affected lobe; no underlying etiology was identified. The patient recovered fully from the lobar torsion; however, two weeks after surgery the dog showed severe right forelimb lameness and the radiographic findings suggested a bone tumor in the proximal epiphysis of the humerus; the owners allowed only analgesic therapy and one month later the patient was euthanized due to a possible lung metastases; it is possible that the neoplasm and the metastases were concomitant events without a cause-effect relationship; however, there might also have been an association between a traumatic and stressing process (the lung torsion) with the development of an underlying oncologic process.

Palabras clave : lung lobe torsion; pleural effusion; lobectomy; bone neoplasm.

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