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Vedrine B. Multilobular osteochondrosarcoma of the vertical ramus of the mandible in a cat. Top Companion Anim Med 2023; 53-54:100776. [PMID: 36990179 DOI: 10.1016/j.tcam.2023.100776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 01/11/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023]
Abstract
A 7-year-old castrated male domestic shorthair cat presented with locked jaw syndrome and firm swelling in the right temporal region of the skull. A computed tomography (CT) scan showed a heavily calcified mass of the right coronoid process of the mandible with a popcorn appearance, consistent with a multilobular osteochondrosarcoma. The zygomatic arch was displaced laterally and ventrally due to the mass effect. The temporomandibular joint was not involved. Surgical treatment was performed and consisted of the removal of the zygomatic arch and the vertical ramus of the mandible. It was possible to open the mouth normally immediately after surgery. Recovery was uneventful. Histological examination of the mass confirmed multilobular osteochondrosarcoma. This type of tumor is rarely encountered in dogs, and a literature search reveals only two cases in cats: one arising from the skull and one from thoracic wall. This case report documents the first description of a multilobular osteochondrosarcoma of the mandible in a cat.
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Djuric ML, Krstic VP, Lazic TM, Grozdanic SD. Endoscopic diagnostic and surgical orbital approach in canines. Acta Vet Hung 2022. [PMID: 35895555 DOI: 10.1556/004.2022.00017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 05/31/2022] [Indexed: 02/18/2024]
Abstract
The aim of this study is to describe new diagnostic and surgical orbital approaches using video endoscopy in canines. Four different endoscopic approaches were investigated in this study of video endoscopy in cadavers: dorsal transorbital ligament approach via incision of the orbital ligament (DTOLA), dorsal subpalpebral transconjunctival approach (DSTA), ventral subpalpebral transconjunctival approach (VSTA), and transoral orbital approach (TOA). Two additional approaches, the ventral transpalpebral approach (VTA) and dorsal caudal transmuscular approach (DCTA) along with the DTOLA and DSTA were used in clinical patients. The most technically demanding approach was DTOLA; however, it provided the best visualisation of different anterior and posterior orbital structures. Visualisation of primarily the dorsal orbital wall, dorsal portion of the eye globe, and dorsal extraconal space also was achieved by DSTA. The VSTA enabled good visualisation of the ventral orbital floor and the ventral extraconal and intraconal space. In contrast, the TOA provided relatively poor visualisation of orbital structures, limited to the ventral orbital quadrant. Meanwhile, the VTA provided visualisation similar to the VSTA, while DCTA visualisation was limited to the dorsal and caudal orbital space. Orbital endoscopy is an effective and minimally invasive procedure that can be used for diagnostic and surgical orbital procedures.
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Affiliation(s)
- Milos Lj Djuric
- 1 Department of Equine, Small Animal, Poultry and Wild Animal Diseases, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
| | - Vanja P Krstic
- 1 Department of Equine, Small Animal, Poultry and Wild Animal Diseases, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
| | - Tatjana M Lazic
- 2 Animal Eye Consultants of Iowa, Hiawatha, IA, USA
- 3 Oculus Specialty Veterinary Clinic, Belgrade, Serbia
| | - Sinisa D Grozdanic
- 2 Animal Eye Consultants of Iowa, Hiawatha, IA, USA
- 3 Oculus Specialty Veterinary Clinic, Belgrade, Serbia
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3
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Brigatto M, Nunes M, Batista F, Gomes D, Araújo M, Guizelini C, Pupin R. Sinonasal multilobular tumor of bone in a young mare - case report. ARQ BRAS MED VET ZOO 2022. [DOI: 10.1590/1678-4162-12606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT A two-year old mare was referred to the veterinary hospital because of an increase in the volume of the head on the frontal and left side as well as dyspnoea. Radiographic examination showed an osseous radiopaque spherical mass, with a granular aspect, affecting the left frontal, maxillary, and nasal bones. A frontal sinusotomy was performed, and the frontal sinus was found to be totally obliterated by a granular, yellowish, and hard mass containing multiple spicules. Histologically, it was a multilobulated osseous neoplasia diagnosed as a multilobular osseous tumour. Because of poor prognosis, the animal was euthanized. Necropsy showed that the left nasal cavity was totally effaced as were the nasal sinuses and that the nasal turbinate disappeared because of the hard, yellowish, and granular mass measuring 20 × 14 × 14 cm that surrounded the molar teeth and extended to the cribriform plate. This tumour, which was described only once in horses, is more frequently observed in older dogs’ skulls, and must be considered as a differential diagnosis in horses with sinonasal diseases.
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Affiliation(s)
| | | | - F.A. Batista
- Universidade Federal do Mato Grosso do Sul, Brazil
| | - D.C. Gomes
- Universidade Federal do Mato Grosso do Sul, Brazil
| | - M.A. Araújo
- Universidade Federal do Mato Grosso do Sul, Brazil
| | | | - R.C. Pupin
- Universidade Federal do Mato Grosso do Sul, Brazil
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Flaherty EH, Robinson NA, Pizzirani S, Pumphrey SA. Evaluation of cytology and histopathology for the diagnosis of canine orbital neoplasia: 112 cases (2004-2019) and review of the literature. Vet Ophthalmol 2019; 23:259-268. [PMID: 31693288 DOI: 10.1111/vop.12717] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 09/03/2019] [Accepted: 10/05/2019] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To provide an updated overview of canine orbital neoplasia, to compare diagnostic utility of cytology and histopathology, and to evaluate alternative sampling modalities, particularly image-guided core needle biopsy. PROCEDURES A medical records search was performed to identify dogs with orbital neoplasia. Data were collected regarding signalment, diagnosis, vision status, imaging modalities, and sample collection methods. A reference population with orbital neoplasia was also identified via literature search for comparison with regard to final diagnosis. RESULTS One hundred and twelve dogs met selection criteria. In the study and reference populations, respectively, diagnoses were grouped as follows: mesenchymal tumors 40% and 35%, epithelial tumors 35% and 18%, tumors of neural origin 8% and 37%, and round cell 17% and 10%. The most common diagnoses in the study group were nasal adenocarcinoma, osteosarcoma, lymphoma, and meningioma. Cytology results were available for 47 dogs and histopathology results were available for 95 dogs. Both cytology and histopathology results were available for 30 dogs, in 53% of which results were discordant. Cytology samples were nondiagnostic or provided a diagnosis that was later overturned in 32% of cases in which they were obtained. Results from core needle biopsy samples were nondiagnostic or overturned by surgical biopsy results in only 13% of cases. No significant complications were associated with any sampling method. CONCLUSIONS Orbital neoplasia is common in dogs. Histopathology is superior to cytology in providing a definitive diagnosis. Image-guided core needle biopsy appears to be a safe and effective means of obtaining samples.
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Affiliation(s)
- Edward H Flaherty
- University of Pennsylvania, School of Veterinary Medicine, Philadelphia, Pennsylvania
| | - Nicholas A Robinson
- Department of Biomedical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Stefano Pizzirani
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Stephanie A Pumphrey
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
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Curto E, Clode AB, Durrant J, Montgomery KW, Gilger BC. Retrobulbar pigmented peripheral nerve sheath tumor in a dog. Vet Ophthalmol 2015; 19:518-524. [DOI: 10.1111/vop.12327] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Elizabeth Curto
- College of Veterinary Medicine; North Carolina State University; Raleigh NC 27607 USA
| | - Alison B Clode
- Port City Veterinary Referral Hospital; Portsmouth NH 03801 USA
| | - Jessica Durrant
- College of Veterinary Medicine; North Carolina State University; Raleigh NC 27607 USA
| | - Keith W Montgomery
- Southern New Hampshire Veterinary Referral Hospital; Manchester NH 03103 USA
| | - Brian C Gilger
- College of Veterinary Medicine; North Carolina State University; Raleigh NC 27607 USA
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McDonald JE, Knollinger AM, Dees DD. Ventral transpalpebral anterior orbitotomy: surgical description and report of 3 cases. Vet Ophthalmol 2015; 19:81-9. [DOI: 10.1111/vop.12278] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | - Darryl D. Dees
- Eye Care for Animals; 12419 Metric Blvd Austin TX 78758 USA
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Mathes RL, Holmes SP, Coleman KD, Radlinsky MAG, Moore PA. Calvarial hyperostosis presenting as unilateral exophthalmos in a female English Springer Spaniel. Vet Ophthalmol 2011; 15:263-70. [DOI: 10.1111/j.1463-5224.2011.00969.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Eubanks DL, Ray JD, Bushby PA, Anderson C. Multilobular Tumor of Bone in the Mandible of a Dog. J Vet Dent 2010; 27:163-70. [DOI: 10.1177/089875641002700304] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
An 8-year-old Siberian husky dog was presented for a mass involving the rostral mandible. Intraoral radiographs demonstrated diffusely irregular bone and displacement of all mandibular incisor teeth. The mass was diagnosed as a grade I multilobular tumor of bone based on incisional biopsy. A bilateral rostral mandibulectomy was performed with tumor negative margins. Oral examination at 14-months following surgery indicated normal healing with minimal side effects and no evidence of tumor recurrence.
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Affiliation(s)
- Diana L. Eubanks
- From the Department of Clinical Sciences, Mississippi State University College of Veterinary Medicine, PO Box 6100, Mississippi State, MS 39762
| | - Joel D. Ray
- From the Department of Clinical Sciences, Mississippi State University College of Veterinary Medicine, PO Box 6100, Mississippi State, MS 39762
| | - Philip A. Bushby
- From the Department of Clinical Sciences, Mississippi State University College of Veterinary Medicine, PO Box 6100, Mississippi State, MS 39762
| | - Clay Anderson
- From the Department of Clinical Sciences, Mississippi State University College of Veterinary Medicine, PO Box 6100, Mississippi State, MS 39762
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Psychas V, Loukopoulos P, Polizopoulou ZS, Sofianidis G. Multilobular tumour of the caudal cranium causing severe cerebral and cerebellar compression in a dog. J Vet Sci 2009; 10:81-3. [PMID: 19255529 PMCID: PMC2801101 DOI: 10.4142/jvs.2009.10.1.81] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Multilobular tumour of bone (MTB) is an uncommon tumour and is usually located in the skull. A 13-year-old mixed breed dog was presented with a two-week history of progressively worsening vestibular dysfunction and cognitive abnormalities; it appeared demented and showed asymmetric ataxia and hypermetria of all limbs. The owner opted to have the animal euthanised. Necropsy revealed a large mass occupying the right occipital, parietal and temporal bones, severely compressing the cerebellum and the right occipital lobe. Histologically, it was characterised by the presence of multiple lobules containing osteoid or cartilage and separated by fibrous septae, features typical of MTB. Lung metastases were evident. To our knowledge, this is the first report of an MTB causing both severe cerebral and cerebellar compression and the second detailed report of an MTB of the occipital bone. MTB should be included in the differential diagnosis of bone tumours as well as in cases with central vestibular disease.
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Affiliation(s)
- Vassilios Psychas
- Pathology Laboratory, Faculty of Veterinary Medicine, Aristotle University, 54124 Thessaloniki, Greece
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Rossetti E, Bertolini G, Zotti A. Multilobular tumour of bone of the thoracic wall in a cat. J Feline Med Surg 2007; 9:254-7. [PMID: 17363314 PMCID: PMC10822623 DOI: 10.1016/j.jfms.2006.12.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2006] [Indexed: 10/23/2022]
Abstract
Multilobular tumour of bone is a rare neoplasm of the skull in middle-aged, medium-to-large breed dogs even if a few cases have also been described in cats and one horse. The aim of the present paper is to show both the computed-tomography features and the pathological findings of the above neoplasm affecting the thoracic wall of a cat. To the best of the authors' knowledge, such anomalous tumour localisation has never been reported and imaged in feline medicine.
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Affiliation(s)
- Enrica Rossetti
- ‘San Marco’ Veterinary Laboratory, Via Sorio 114/C–35141 Padua, Italy
| | | | - Alessandro Zotti
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, University of Padua, Agripolis, Viale dell'Università 16–35020 Legnaro (PD), Italy
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Abstract
Multilobular tumor of bone detected in a 2.5-year-old male Pekingese dog is reported. Grossly, the neoplasm consisted of multiple, variably sized, gritty, grayish-white to yellow nodules separated by thick collagenous septa. Histologically, these nodules contained multiple lobules of irregularly shaped and sized islands of well-differentiated osteoid and cartilage, separated by anastomosing fibrovascular septa. Chondrocytes and osteocytes were observed in the lacunae and in more osseous islands in the lobule, respectively. These lobules were surrounded by mesenchymal spindle cells. Mitotic figures were not evident. The neoplastic pattern was consistent with that of a multilobular bone tumor. Diagnosis was based on gross and light microscopic findings. The cause of this neoplasm was not determined.
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Affiliation(s)
- Bidur Pakhrin
- Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea
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12
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Lassaline ME, Gelatt KN, Brooks DE, Ellison GW. Orbitotomy for retrobulbar malignant fibrous histiocytoma in a dog. Vet Ophthalmol 2005; 8:1-6. [PMID: 15644093 DOI: 10.1111/j.1463-5224.2005.00346.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A retrobulbar malignant fibrous histiocytoma was diagnosed in a 12-year-old castrated male Keeshond dog. The mass was excised with a lateral orbitotomy and zygomatic arch resection. Vision was preserved in the affected eye, and no recurrence was noted up to 10 months postoperatively. Malignant fibrous histiocytoma originates from primitive mesenchymal stem cells. The malignant fibrous histiocytoma seen in our patient was most consistent with the storiform-pleomorphic variant, given the storiform arrangement of spindle cells, the presence of histiocytoid cells, and a mixed inflammatory infiltrate, without giant cells. The metastatic potential of malignant fibrous histiocytoma in general, and the storiform variant in particular, is unknown. Seventeen months later the dog was presented to the referring veterinarian with anorexia, diarrhea, weight loss and bilateral purulent nasal exudates. The dog was euthanized without necropsy.
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Affiliation(s)
- Mary E Lassaline
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610-0126, USA.
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Affiliation(s)
- Jeffrey McCartney
- Department of Pathology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
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Stoll MR, Roush JK, Moisan PG. Multilobular tumour of bone with no abnormalities on plain radiography in a dog. J Small Anim Pract 2001; 42:453-5. [PMID: 11570389 DOI: 10.1111/j.1748-5827.2001.tb02501.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A seven-year-old neutered female golden retriever was presented for an acute onset of cervical pain and ataxia. Intervertebral disc disease or neoplasia was suspected. There was no evidence of a soft tissue or bony mass on physical examination or survey radiographs. Cerebrospinal fluid analysis did not show any evidence of a neoplastic process. Myelographic evaluation identified an extradural mass lesion extending from inside the calvarium to the mid-body of the first cervical vertebra. No additional diagnostic tests were performed as the owners elected for euthanasia because of the high possibility of a neoplastic process with an accompanying poor prognosis. Multilobular tumour of bone was diagnosed on postmortem examination.
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Affiliation(s)
- M R Stoll
- Department of Clinical Sciences, Kansas State University, Manhattan 66506, USA
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Abstract
A young dog was presented with rapidly progressive, unilateral, exophthalmos. Ultrasound-guided fine-needle aspiration of the retrobulbar mass resulted in a diagnosis of fibrosarcoma. Magnetic resonance imagery revealed tumor invasion into the brain, and palliative therapy was elected. The dog was euthanized 4 weeks following diagnosis due to progressive neurological signs. The final diagnosis was neurofibrosarcoma involving the pons, brainstem, left orbit and left trigeminal nerve.
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Affiliation(s)
- S.E. Andrew
- University of Florida, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, PO Box 100126, Gainesville, FL 32610, USA
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Abstract
Twenty-five cases of retrobulbar tumors are presented and discussed. Affected animals were dogs and cats (average 10.7 years). No breed or sex predisposition was noted. The most common clinical signs were exophthalmos (84%), conjunctival hyperemia (40%), protrusion of the nictitating membrane (28%), exposure keratitis (20%) and fundus abnormalities (20%). Diagnostic tools included fine needle aspiration, radiography, ultrasonography, computed tomography and histology. Surgical treatment by orbitotomy or exenteration was combined with chemotherapy and radiotherapy in some cases. The prognosis was poor with low survival times: 1 month in cats, and 10 months in dogs, with a high rate of euthanasia (35%) at the time of diagnosis.
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Affiliation(s)
- K Attali-Soussay
- Ecole Nationale Vétérinaire d'Alfort, 7 avenue du General de Gaulle, 94700 Maisons-Alfort, France; Animal Eye Clinic, 39 rue Rouelle, 75015 Paris, France.
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Hathcock JT, Newton JC. Computed tomographic characteristics of multilobular tumor of bone involving the cranium in 7 dogs and zygomatic arch in 2 dogs. Vet Radiol Ultrasound 2000; 41:214-7. [PMID: 10850869 DOI: 10.1111/j.1740-8261.2000.tb01480.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Computed tomography (CT) images of nine dogs with a multilobular tumor of bone of the head were reviewed. The CT characteristics of the neoplasms involving the calvarium (n = 7) were rounded, well defined with a fine granular, nonhomogeneous bone opacity usually in the occipital region. Cranial vault invasion (5 of 7) was commonly found with a significant portion of the mass within the vault. The neoplasms involving the zygomatic arch (n = 2) were also generally rounded and well defined but with a more coarse granular appearance. The common CT findings were best seen when the images were viewed in a bone window.
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Affiliation(s)
- J T Hathcock
- Department of Radiology, College of Veterinary Medicine, Auburn University, AL 36849, USA
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Groff JM, Murphy CJ, Poolt RR, Koblik P, Bellhorn R. Orbital multilobular tumour of bone in a dog. J Small Anim Pract 1992. [DOI: 10.1111/j.1748-5827.1992.tb01065.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Heyman SJ, Diefenderfer DL, Goldschmidt MH, Newton CD. Canine axial skeletal osteosarcoma. A retrospective study of 116 cases (1986 to 1989). Vet Surg 1992; 21:304-10. [PMID: 1455640 DOI: 10.1111/j.1532-950x.1992.tb00069.x] [Citation(s) in RCA: 78] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Axial skeletal osteosarcomas were evaluated retrospectively in 116 dogs. Thirty-one tumors occurred in the mandible, 26 in the maxilla, 17 in the spine, 14 in the cranium, 12 in the ribs, 10 in the nasal cavity and paranasal sinuses, and 6 in the pelvis. Medium-sized and large dogs were most commonly affected. Females outnumbered males 2.1:1, but this varied with tumor location. The mean age was 8.7 years. Osteosarcomas of the rib occurred in significantly younger dogs (mean age, 5.4 years) than osteosarcomas at any other axial skeletal site. Pulmonary metastasis was diagnosed radiographically in 11.1% of the dogs. The median survival for dogs treated surgically was 22 weeks, the 1-year survival was 26.3%, and the 2-year survival was 18.4%. The tumor recurrence rate was 66.7%. Most dogs (79.6%) died or were euthanatized for problems associated with the primary tumor.
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Affiliation(s)
- S J Heyman
- Department of Clinical Studies, Veterinary Hospital of the University of Pennsylvania, Philadelphia
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