Background: Although bone tumors are common pathologies in companion animals, limited reports describe nasal osteosarcoma (OSA) in cats. Case description: A case of nasal OSA in a local Libyan cat was admitted to the Veterinary Teaching Hospital at the Faculty of Veterinary Medicine, University of Tripoli-Libya, with nasal swelling and discharges and facial deformity. The radiological findings revealed nasal osteolysis with the absence of evidence of lung metastasis. In addition, fungal growth was not identified in microbiological culture. Furthermore, the pathological examination has grossly revealed a destructed nasal bone due to the presence of a tumor mass, with a mucohemorrhagic nasal discharge and absence of metastasis. OSA was confirmed histopathologically. Conclusion: This report presents the clinical, radiological, and pathological findings of a primary nasal OSA in a Libyan cat with no tumor metastasis to other body organs.
Mohamed Hamrouni S. Abushhiwa, Seham AL-Abed Hassan AL-Azreg, ٍٍSamer Khalifa Khalil Tmumen, Abdulrhman Mohamed Salah Alrtib, Abdulkareem Khalifa Ali Elbaz, Mahir Kubba, Al-Asayed R. Al-Attar, Emad M R Bennour(12-2019)

Front fetlock joint angle (FA) measurement might predict musculoskeletal injury. This study aimed to identify an accurate reliable tool, and develop a consistent method for measuring the FA. Fetlock centre of rotation was identified radiographically. Goniometer measurements were validated on ten vertically fixed post-mortem distal forelimbs by positioning the centre of rotation of the goniometer on the approximate centre of rotation of the joint for five measurements of each FA at three day intervals and one measurement by another person (rater B). Both FA’s of fourteen sound horses standing squarely on a concrete floor were repeated before and after lifting the contralateral limb, which was flexed at the carpus and held at the same level as the carpus of the standing limb. Consistency of measurements was assessed using both fetlock joints of five horses standing squarely on a concrete floor measured six times in random order and then with the contralateral limb lifted using both front fetlocks of eight horses measured five times in random order. The repeatability coefficient was calculated with WinPepi v10.5 software. The centre of rotation was on or around the eminence of the lateral collateral ligament. The repeatability coefficient of the goniometer validation was 4.7°. The mean FA for rater A and B were not significantly different (161.4° versus 162.9°). FA’s were significantly less after lifting the contralateral limbs (P
Abdulrhman M. Alrtib, Helen M S Davies(7-2012)

The forelimb fetlock joint and its bony components are a common site of injury in racing horses. We hypothesized that the variations in relative density of these bones might correspond to their mechanical properties. This study aimed first to identify the relative density of third metacarpal bone (Mc3), proximal phalanx (P1) and proximal sesamoid bones (PSBs) of Thoroughbred race horses. Second, to determine whether there was any difference and/or similarity in the relative density between and within the bones. Bones from right and left forelimbs of 10 horses were collected and prepared by boiling and drying. Dry weight and volume for each bone were measured and the relative density was then calculated. Relative density of Mc3 was substantially greater than the other two bones with a mean of 1.7 ± 0.06. Relative density of P1 and PSBs showed a high similarity especially between P1 and the medial PSBs. Neither the comparisons between right and left sides nor between lateral and medial PSBs showed any significant differences. P1 had the most consistent relative density within right and left sides. Larger relative density in Mc3 and the similarity between P1 and PSBs presume a more important role of the bone mass on their properties than the volume.
Abdulrhman Mohamed Salah Alrtib, Aiman Hussein Saleh Oheida, Ali Omar Alarif Boker, Aiman Abdulghader Salim Shalgum, Helen M S Davies(12-2018)