The clinical report of bilateral congenital genue recurvatum in a Dog

A12 months male mixed Terrier,6 kg body weight with signs of score 2 lameness(grade 3) and muscle atrophy of both hind limbs has been referred to private small animal clinic.history taking showed that dog did not undergo with any trauma and aslo did not suffer from any systemic disease.craniocuadal and lateral radiographs were shown bilateral hip subluxation,thickening of the femoral neck and deformity of head and a tibial inward rotation(varus deformity).based on clinical and radiological  evaluation,bilateral congenital genu recurvatum(BCGR) was diagnosed.in order to unwillingness of the owner,surgical intervention was not performed and mineral and vitam supplement prescriped to post pone the futher pathological changes.patient assessment has been showed congenital skeletal anomalies in dogs cause changes in gate with severe injuries to affected joints in futhur.the aim of submitting this clinical case is to report the rare incident of such canine congenital stifle anomalies in Iran.