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Korytárová N, Bosch B, Klass LG, Slunsky P. Surgical management of urethral obstruction secondary to perineal liposarcoma in a dog: a case report. BMC Vet Res 2024; 20:115. [PMID: 38521902 PMCID: PMC10960436 DOI: 10.1186/s12917-024-03956-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/27/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND Swelling of the perineal region in male dogs is most commonly caused by a perineal hernia. Clinical signs associated with perineal hernia are constipation, tenesmus or stranguria. This case report documents a rare cause of perineal swelling created by the growth of a malignant tumour leading to urethral obstruction and subsequent stranguria. CASE PRESENTATION An 11-year-old neutered male German Shepherd was presented for swelling in the perineal region and stranguria for three days. Complete blood count and serum biochemistry were unremarkable. Ultrasound revealed a heterogeneous mass in the perineal region. Retrograde urethrography showed a severe narrowing of the urethra caudal to the pelvis. A fine-needle aspirate of the mass was highly suspicious for liposarcoma. Staging was performed by computed tomography (CT) of the thorax and abdomen. Total penile amputation in combination with pubic-ischial pelvic osteotomy, transposition of the remaining urethra through the inguinal canal, V-Y-plasty cranial to the prepuce and preputial urethrostomy were performed to remove the tumour. Histopathology confirmed a well-differentiated liposarcoma with complete histological margins. Six months after the surgery the dog was doing well and there were no signs indicating local tumour recurrence. CONCLUSIONS Wide surgical excision is generally recommended for soft tissue sarcomas, however this is sometimes not feasible for large tumours. In the case reported here, tumour resection was achieved by a combination of several surgical techniques with a good clinical outcome.
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Affiliation(s)
- Natália Korytárová
- AniCura Small Animal Specialists Augsburg, Max-Josef-Metzger-Straße 9, 86157, Augsburg, Germany.
| | - Beate Bosch
- Anicura Small Animal Specialists Ravensburg, Zuppingerstr. 10/1, 88213, Ravensburg, Germany
| | - Luise Grace Klass
- Department of Veterinary Medicine, Institute for Parasitology and Tropical Veterinary Medicine, Freie Universitaet Berlin, Berlin, Germany
| | - Pavel Slunsky
- AniCura Small Animal Specialists Augsburg, Max-Josef-Metzger-Straße 9, 86157, Augsburg, Germany
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2
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Biedak N, Graham J, Faissler D, Sato A. Computed tomographic features of an axillary liposarcoma with hepatic metastasis. Vet Radiol Ultrasound 2023; 64:E68-E72. [PMID: 37582509 DOI: 10.1111/vru.13286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/02/2023] [Accepted: 07/02/2023] [Indexed: 08/17/2023] Open
Abstract
A geriatric dog presented for lethargy, dyspnea, and urinary incontinence. Thoracic radiographs demonstrated a large, mixed fat, and soft tissue opaque axillary mass and a pulmonary mass. Computed tomography (CT) further characterized these masses and revealed innumerable fat-attenuating hepatic masses and cranial mediastinal lymphadenopathy. Histopathology of the axillary and hepatic masses confirmed grade two primary axillary liposarcoma with hepatic metastasis. Cytology of the pulmonary mass was consistent with a pulmonary carcinoma. This is the first published CT description of fat-attenuating metastatic hepatic liposarcoma in a dog.
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Affiliation(s)
- Nathan Biedak
- Department of Clinical Sciences at the Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts, USA
| | - Julia Graham
- Department of Clinical Sciences at the Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts, USA
| | - Dominik Faissler
- Department of Clinical Sciences at the Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts, USA
| | - Amy Sato
- Department of Clinical Sciences at the Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts, USA
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3
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Brückner M. Urethral stenting in a dog due to compression and invasion by a liposarcoma. VETERINARY RECORD CASE REPORTS 2022. [DOI: 10.1002/vrc2.342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Michael Brückner
- Evidensia Specialistdjursjukhuset Helsingborg Helsingborg Sweden
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4
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Villedieu EJ, Petite AF, Godolphin JD, Bacon NJ. Prevalence of pulmonary nodules suggestive of metastasis at presentation in dogs with cutaneous or subcutaneous soft tissue sarcoma. J Am Vet Med Assoc 2021; 258:179-185. [PMID: 33405989 DOI: 10.2460/javma.258.2.179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To investigate the prevalence of pulmonary nodules suggestive of metastasis at the time of initial presentation in dogs with cutaneous or subcutaneous soft tissue sarcomas (STSs) and no previous related thoracic diagnostic imaging. ANIMALS 146 client-owned dogs with a cutaneous or subcutaneous STS. PROCEDURES Medical records were retrospectively searched to identify dogs with STSs that underwent initial thoracic diagnostic imaging when presented for referral examination between September 2014 and March 2018. Data collected included patient and tumor characteristics. Results were evaluated for dogs grouped on the basis of variables of interest (eg, STS grade, duration, or history). RESULTS Initial thoracic imaging was performed with CT (131/146 [89.7%]) or radiography (15 [10.3%]). Although the presence or absence of pulmonary nodules suggestive of metastasis on thoracic imaging was uncertain in 9 dogs, it was certain in the remaining 137 dogs, with nodules present in 16 (11.7%) dogs (5/77 [6%] with grade 1 STSs, 2/36 [6%] with grade 2 STSs, and 9/24 [38%] with grade 3 STSs). The odds of such pulmonary nodules being present on initial examination were higher (OR, 10.8 and 3.14, respectively) for dogs with grade 3 STSs (vs grade 1 or 2 STSs) and for dogs with an STS duration > 3 months (versus ≤ 3 months). CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that pulmonary staging was a low-yield diagnostic procedure for dogs with grade 1 or 2 cutaneous or subcutaneous STSs, especially when tumors had been present for ≤ 3 months.
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Abrams BE, Putterman AB, Ruple A, Wavreille V, Selmic LE. Variability in tumor margin reporting for soft tissue sarcoma and cutaneous mast cell tumors in dogs: A systematic review. Vet Surg 2020; 50:259-272. [DOI: 10.1111/vsu.13539] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 10/01/2020] [Accepted: 10/17/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Brittany E. Abrams
- Department of Veterinary Clinical Sciences College of Veterinary Medicine, The Ohio State University Columbus Ohio
| | - Allison B. Putterman
- Department of Veterinary Clinical Medicine College of Veterinary Medicine, University of Illinois at Urbana‐Champaign Urbana Illinois
| | - Audrey Ruple
- Department of Comparative Pathobiology College of Veterinary Medicine, Purdue University West Lafayette, Indiana
| | - Vincent Wavreille
- Department of Veterinary Clinical Sciences College of Veterinary Medicine, The Ohio State University Columbus Ohio
| | - Laura E. Selmic
- Department of Veterinary Clinical Sciences College of Veterinary Medicine, The Ohio State University Columbus Ohio
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Avallone G, Muscatello LV, Leoni A, Roccabianca P, Lepri E, Crippa L, Bacci B. p53 Expression in Canine Liposarcoma Correlates With Myxoid Variant and Higher Proliferative Activity. Vet Pathol 2020; 57:620-622. [PMID: 32744152 DOI: 10.1177/0300985820941501] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Canine liposarcoma is classified as well differentiated (WDL), dedifferentiated (DDL), myxoid (ML), and pleomorphic (PL). Overexpression of the protooncogene MDM2 has been reported in WDL and DDL, but little is known regarding the role of p53 in their tumorigenesis. The aim of this study was to assess p53 expression in canine liposarcoma and compare it with subtype, grade, mitotic count (MC), Ki67 labeling index (LI), and MDM2 expression. Forty-seven cases were included (13 WDL, 3 DDL, 7 ML, and 24 PL); 17 were MDM2-positive (13 WDL, 3DDL, and 1ML). Five were p53-positive (4 ML and 1 WDL) but DDL and PL were consistently negative. p53 expression correlated with higher Ki67-LI, higher MC, and myxoid histotype. No correlation was found with grade and MDM2 expression. Based on these results canine liposarcoma seems to embody a group of neoplasms whose subtypes, especially ML, may represent distinct diseases rather than morphological variants of the same entity.
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Jacobs TM, Schulman FY. Pathology in Practice. J Am Vet Med Assoc 2020; 255:797-800. [PMID: 31517581 DOI: 10.2460/javma.255.7.797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Liptak JM. Histologic margins and the residual tumour classification scheme: Is it time to use a validated scheme in human oncology to standardise margin assessment in veterinary oncology? Vet Comp Oncol 2019; 18:25-35. [DOI: 10.1111/vco.12555] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/05/2019] [Accepted: 11/08/2019] [Indexed: 12/12/2022]
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Crowley JD, Hosgood G, Crawford NV, Richardson JL. Computed tomographic findings, surgical management and postoperative outcomes of large intermuscular lipomas in the hindlimb of 11 dogs. Aust Vet J 2019; 98:135-139. [PMID: 31788782 DOI: 10.1111/avj.12901] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/05/2019] [Accepted: 11/09/2019] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Lipomas are benign adipose tissue tumours of mesenchymal origin and can originate in various locations. Intermuscular lipomas in the thigh can cause substantial hindlimb expansion in the dog. We describe the computed tomography findings, surgical management and the outcomes of 11 dogs with large intermuscular lipomas of the hindlimb. DESIGN Retrospective case series. METHODS Medical records between 2009 and 2019 of dogs presenting to The Animal Hospital at Murdoch University were reviewed. Inclusion criteria included dogs with a histologically confirmed, large hindlimb lipoma that was surgically excised following preoperative computed tomography (CT) imaging. RESULTS CT with intravenous contrast revealed a well-defined, smoothly marginated, fat attenuating mass with minimal vascularity, separating the muscle bellies of the caudal hindlimb. The mass was often in close proximity to the femoral artery and vein. All lipomas were marginally excised. At surgery, some lipomas were intimately associated with the sciatic nerve and some showed infiltration of, or attachment to, neighbouring muscle that could be excised en bloc with the lipoma. Postoperative closed-suction wound drainage was used in 6 of 11 dogs. One dog required revision surgery due to partial wound dehiscence. Long-term follow-up with owners reported good postoperative function of the affected hindlimb in all dogs. One dog developed an infiltrative lipoma in the same location 22 months post-excision. CONCLUSION Preoperative CT allowed a presumptive diagnosis of intermuscular lipoma and facilitated surgical planning for marginal excision. Large intermuscular lipomas of the hindlimb can be safely excised with minimal short-term complications, good long-term functional outcome and low likelihood of recurrence.
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Affiliation(s)
- J D Crowley
- College of Veterinary Medicine, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - G Hosgood
- College of Veterinary Medicine, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - N V Crawford
- College of Veterinary Medicine, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - J L Richardson
- College of Veterinary Medicine, Murdoch University, Murdoch, Western Australia, 6150, Australia
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10
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Lemoy MJM, Salyards GW, Keesler RI, Reader JR. Primary Myxoid Liposarcoma of the Greater Omentum in a Rhesus Macaque ( Macaca mulatta). Comp Med 2018; 68:308-313. [PMID: 30071917 DOI: 10.30802/aalas-cm-18-000013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We here report a spontaneous case of primary myxoid liposarcoma of the greater omentum with subsequent transperitoneal recurrence. The primary mass was incidentally found during an exploratory laparotomy for a presumed diagnosis of trichobezoar or phytobezoar and was removed surgically. Histopathologic examination of the mass revealed the presence of a myxoid liposarcoma. Eleven months later, recurrence with severe transperitoneal sarcomatosis of the myxoid liposarcoma was noted and confirmed by necropsy and histopathology. A review of the literature revealed that liposarcoma in NHP conforms to the behavior and prognosis of this neoplasm in humans.
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Affiliation(s)
- Marie-Josee Mf Lemoy
- California National Primate Research Center, University of California, Davis, California, USA.
| | - Gregory W Salyards
- California National Primate Research Center, University of California, Davis, California, USA
| | - Rebekah I Keesler
- California National Primate Research Center, University of California, Davis, California, USA
| | - J R Reader
- California National Primate Research Center, University of California, Davis, California, USA
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11
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Abstract
Pet dogs are becoming increasingly recognized as a population with the potential to inform medical research through their treatment for a variety of maladies by veterinary health professionals. This is the basis of the One Health initiative, supporting the idea of collaboration between human and animal health researchers and clinicians to study spontaneous disease processes and treatment in animals to inform human health. Cancer is a major health burden in pet dogs, accounting for approximately 30% of deaths across breeds. As such, pet dogs with cancer are becoming increasingly recognized as a resource for studying the pharmacology and therapeutic potential of anticancer drugs and therapies under development. This was recently highlighted by a National Academy of Medicine Workshop on Comparative Oncology that took place in mid-2015 (http://www.nap.edu/21830). One component of cancer burden in dogs is their significantly higher incidence of sarcomas as compared to humans. This increased incidence led to canine osteosarcoma being an important component in the development of surgical approaches for osteosarcoma in children. Included in this review of sarcomas in dogs is a description of the incidence, pathology, molecular characteristics and previous translational therapeutic studies associated with these tumors. An understanding of the patho-physiological and molecular characteristics of these naturally occurring canine sarcomas holds great promise for effective incorporation into drug development schemas, for evaluation of target modulation or other pharmacodynamic measures associated with therapeutic response. These data could serve to supplement other preclinical data and bolster clinical investigations in tumor types for which there is a paucity of human patients for clinical trials.
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Affiliation(s)
- Daniel L Gustafson
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA.
| | - Dawn L Duval
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Daniel P Regan
- Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Douglas H Thamm
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; Flint Animal Cancer Center, Colorado State University, Fort Collins, CO 80523, USA; University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO 80045, USA
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12
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Bua AS, Combes A, Maitre P, Bongrand Y. Use of endoscopic-guided electrocautery ablation for treatment of tracheal liposarcoma in a dog. J Am Vet Med Assoc 2018; 252:581-585. [PMID: 29461158 DOI: 10.2460/javma.252.5.581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
CASE DESCRIPTION A 7-year-old 44-kg (97-lb) neutered male Great Pyrenees was referred for evaluation because of episodic dyspnea with cyanosis of 1 to 2 weeks' duration. Three days prior to evaluation, the clinical signs had worsened, including 1 episode of collapse. CLINICAL FINDINGS Thoracic radiography and CT revealed a well-delineated soft tissue mass, located approximately 1.5 cm cranial to the carina and occupying almost 90% of the tracheal lumen. A CBC and serum biochemical analysis were performed, and all results were within reference limits. TREATMENT AND OUTCOME Tracheoscopy confirmed the presence of a broad-based bilobate mass that was protruding from the right dorsal aspect of the trachea and occupied almost the entire tracheal lumen. The mass was successfully resected by endoscopic-guided electrocautery ablation. Findings of histologic evaluation were consistent with a diagnosis of liposarcoma. Immediately following the ablation procedure, the previously noted clinical signs of respiratory tract disease resolved. On follow-up examination 12 months later, no regrowth of the mass was evident on thoracic helical CT and tracheoscopy. CLINICAL RELEVANCE Endoscopic-guided electrocautery ablation of tracheal liposarcoma was a safe and effective minimally invasive treatment for the dog of this report. The procedure was brief and appeared to be well tolerated, resulting in immediate improvement of clinical signs.
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13
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Noh D, Choi W, Son W, Lee M, Park S, Lee K. Liposarcoma of the spermatic cord in a Toy Poodle. J Vet Med Sci 2017; 79:2026-2029. [PMID: 29142149 PMCID: PMC5745184 DOI: 10.1292/jvms.17-0357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Liposarcoma of the spermatic cord is extremely rare in dogs and humans. This report describes the clinical signs, typical diagnostic imaging including ultrasound and computed tomography, and treatment of a liposarcoma of the spermatic cord of a Toy Poodle confirmed by histological examination after a surgical procedure. This case highlights the importance of preoperative diagnostic imaging and histopathological examination in dogs with an inguinal or scrotal mass.
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Affiliation(s)
- Daji Noh
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
| | - Wooson Choi
- Two Man Veterinary Hospital, Daegu 42770, Korea
| | - Woochan Son
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Manhee Lee
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
| | - Seungchun Park
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
| | - Kija Lee
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
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14
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LaDouceur EEB, Stevens SE, Wood J, Reilly CM. Immunoreactivity of Canine Liposarcoma to Muscle and Brown Adipose Antigens. Vet Pathol 2017; 54:885-891. [PMID: 28812533 DOI: 10.1177/0300985817723691] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Liposarcoma, rhabdomyosarcoma, and hibernoma share some overlapping histologic and immunohistochemical features. Although immunohistochemistry (IHC) is commonly used in the diagnosis of these neoplasms, expression of muscle markers has been reported in human liposarcoma and canine hibernoma in addition to rhabdomyosarcoma. Thus, these neoplasms are a diagnostic challenge but important to distinguish because of differences in prognosis and treatment. Rhabdomyosarcoma and liposarcoma are both malignant, but rhabdomyosarcoma has a higher potential for metastasis. In contrast, hibernomas are benign with low risk of recurrence. This study investigated expression of the muscle markers desmin, myogenin, and α-smooth muscle actin (α-SMA) and the brown fat marker uncoupling protein 1 (UCP1) in 25 cases of canine liposarcoma using IHC. Oil red O histochemistry was performed to confirm the presence of lipid and the diagnosis of liposarcoma in cases that were not well-differentiated. The 25 cases included 15 well-differentiated, 5 pleomorphic, 3 myxoid, and 2 dedifferentiated subtypes of liposarcoma. By IHC, 23 of 25 expressed UCP1, 7 of 25 expressed α-SMA, 7 of 25 expressed desmin, and 3 of 25 expressed myogenin with no clear relationship of antigen expression and tumor subtype. These findings clarify the immunohistochemical profile of canine liposarcoma and suggest overlap in the expression of several muscle antigens and UCP1 between liposarcoma, hibernoma, and rhabdomyosarcoma.
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Affiliation(s)
- Elise E B LaDouceur
- 1 Department of Pathology, Microbiology, Immunology, University of California-Davis, Davis, CA, USA.,2 Northwest ZooPath, Monroe, WA, USA
| | - Sarah E Stevens
- 3 Veterinary Medical Teaching Hospital, University of California-Davis, Davis, CA, USA
| | | | - Christopher M Reilly
- 1 Department of Pathology, Microbiology, Immunology, University of California-Davis, Davis, CA, USA.,5 Insight Veterinary Specialty Pathology, Austin, TX, USA
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Alvarez E, Dreyfus J, Carlson T, Pinkerton ME, Shaffer K. Well-differentiated inflammatory liposarcoma with metastasis in a 6-y-old cat. J Vet Diagn Invest 2017; 29:896-899. [PMID: 28782430 DOI: 10.1177/1040638717725349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Liposarcomas are rare malignant tumors showing adipocytic differentiation. We report a well-differentiated liposarcoma in a 6-y-old, male neutered cat with a prominent inflammatory component and metastatic spread to the lungs. The patient was initially presented because of fever, lethargy, and a firm subcutaneous inguinal mass. A Tru-cut biopsy of the mass revealed a mixture of well-differentiated adipocytes and lymphoplasmacytic-histiocytic inflammation, interpreted as panniculitis. The mass was surgically excised but recurred 4 mo later. A second excisional biopsy yielded similar histologic findings. A third recurrence of the mass was associated with lung nodules. Histopathology of the recurring and metastatic masses confirmed the diagnosis of well-differentiated inflammatory liposarcoma with pulmonary metastases. The neoplasm had an intense inflammatory component, which obscured the underlying features of liposarcoma and made differentiation from steatitis difficult. This inflammatory variant of a well-differentiated liposarcoma should be considered as a differential in tumorous steatitis-like lesions.
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Affiliation(s)
- Elizabeth Alvarez
- Departments of Veterinary Clinical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Alvarez, Shaffer)
- Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Dreyfus, Carlson, Pinkerton)
| | - Jennifer Dreyfus
- Departments of Veterinary Clinical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Alvarez, Shaffer)
- Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Dreyfus, Carlson, Pinkerton)
| | - Tim Carlson
- Departments of Veterinary Clinical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Alvarez, Shaffer)
- Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Dreyfus, Carlson, Pinkerton)
| | - Marie E Pinkerton
- Departments of Veterinary Clinical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Alvarez, Shaffer)
- Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Dreyfus, Carlson, Pinkerton)
| | - Kimberly Shaffer
- Departments of Veterinary Clinical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Alvarez, Shaffer)
- Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI (Dreyfus, Carlson, Pinkerton)
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16
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Tomita N, Sunden Y, Okamoto Y, Morita T. Well-differentiated liposarcoma with chondroid metaplasia in the auricle of a dog. J Vet Med Sci 2017; 79:1236-1239. [PMID: 28603215 PMCID: PMC5559370 DOI: 10.1292/jvms.17-0168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A 13-year-old spayed female dog had a mass in the left auricle. Grossly, connection between the mass and original auricular cartilage was not recognized. The mass was unencapsulated and contained multiple islands of mature hyaline cartilage and neoplastic adipocytes. The neoplastic cells comprised predominant mature adipocytes, scattered lipoblasts and irregular round to spindle cells with moderate atypia. The atypical cells occasionally had lipid droplets. A diagnosis of well-differentiated liposarcoma (WDL) with chondroid metaplasia was made. This is the first report for liposarcoma with chondroid metaplasia in the auricle of domestic animals.
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Affiliation(s)
- Nagi Tomita
- Department of Veterinary Pathology, Tottori University, Tottori, Tottori 680-8553, Japan.,The United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Yamaguchi 753-8511, Japan
| | - Yuji Sunden
- Department of Veterinary Pathology, Tottori University, Tottori, Tottori 680-8553, Japan
| | - Yoshiharu Okamoto
- Department of Veterinary Surgery, Tottori University, Tottori, Tottori 680-8553, Japan
| | - Takehito Morita
- Department of Veterinary Pathology, Tottori University, Tottori, Tottori 680-8553, Japan
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17
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Polinas M, Burrai GP, Marras V, Ariu R, Zedda MT, Pau S, Antuofermo E. Co-occurrence of a metastatic mammary liposarcoma and an ovarian sex-cord stromal tumor in a dog. Res Vet Sci 2016; 109:157-160. [PMID: 27892865 DOI: 10.1016/j.rvsc.2016.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 09/29/2016] [Accepted: 10/12/2016] [Indexed: 11/28/2022]
Abstract
Sarcoma arising in the mammary gland is a rare tumor in dogs, and primary liposarcoma with metastatic behavior has never been previously reported among canine mammary tumors. A 14-year old female poodle had a mammary mass diagnosed as pleomorphic liposarcoma. Two years following surgical removal, the tumor recurred in the mammary gland with lymph node metastases. In addition, a sex-cord stromal tumor was identified in the ovary. Immunohistochemistry was performed on both tumors that were positive for oestrogen and progesterone receptors. Moreover, the ovarian tumor was positive for calretinin. This is the first report to the authors' knowledge, of the co-occurrence of a pleomorphic liposarcoma of the mammary gland and an ovarian sex-cord stromal (gonadostromal) tumor in the dog.
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Affiliation(s)
- M Polinas
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - G P Burrai
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - V Marras
- Department of Biomedical Sciences, Institute of Pathology, University of Sassari, Via Matteotti 60, 07100 Sassari, Italy
| | - R Ariu
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - M T Zedda
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - S Pau
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - E Antuofermo
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy.
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18
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Spoldi E, Schwarz T, Sabattini S, Vignoli M, Cancedda S, Rossi F. COMPARISONS AMONG COMPUTED TOMOGRAPHIC FEATURES OF ADIPOSE MASSES IN DOGS AND CATS. Vet Radiol Ultrasound 2016; 58:29-37. [DOI: 10.1111/vru.12445] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 09/22/2016] [Accepted: 09/26/2016] [Indexed: 12/28/2022] Open
Affiliation(s)
- Elisa Spoldi
- Small Animal Clinical Sciences; University of Florida College of Veterinary Medicine; Gainesville FL 32610
| | - Tobias Schwarz
- Royal (Dick) School of Veterinary Studies, Easter Bush Veterinary Centre; University of Edinburgh; Roslin Midlothian, Scotland UK
| | - Silvia Sabattini
- Department of Veterinary Medical Sciences; University of Bologna; Ozzano Emilia Bologna Italy
| | - Massimo Vignoli
- Universita degli Studi di Teramo Facolta di Medicina Veterinaria; Teramo Abruzzo Italy
| | | | - Federica Rossi
- Clinica Veterinaria dell'Orologio; Sasso Marconi Bologna Italy
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19
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Gower KLA, Liptak JM, Culp WTN, Bravo L, Powers B, Withrow SJ. Splenic liposarcoma in dogs: 13 cases (2002-2012). J Am Vet Med Assoc 2016; 247:1404-7. [PMID: 26642134 DOI: 10.2460/javma.247.12.1404] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To describe the clinical signs, diagnostic findings, surgical management, and outcome in dogs with splenic liposarcoma. DESIGN Retrospective case series. ANIMALS 13 client-owned dogs with splenic liposarcoma. PROCEDURES Medical and pathology records of dogs with a histopathologic diagnosis of splenic liposarcoma from 2002 to 2012 were reviewed for the following data: clinical signs, CBC, biochemical profile, thoracic and abdominal imaging, surgical management, histologic grade, and outcome (local recurrence, distant metastasis, and survival time). Telephone interviews were conducted with referring veterinarians. RESULTS The median survival time (MST) was 623 days (range, 1 to 1,283 days). In 5 dogs that died of splenic liposarcoma, survival times ranged from 42 to 369 days. Metastasis at the time of surgery was a negative prognostic indicator: the MST was 45 days for dogs with metastasis and 767 days for dogs without metastasis. Dogs with grade 1 splenic liposarcoma had a significantly greater MST (1,009 days), compared with dogs with grade 2 or 3 splenic liposarcoma (MST, 206 and 74 days, respectively). CONCLUSIONS AND CLINICAL RELEVANCE Results confirmed that splenic liposarcoma is a rare differential diagnosis in dogs with a splenic mass. Survival time was influenced by preoperative clinical stage and histologic grade.
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20
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Fuerst JA, Reichle JK, Szabo D, Cohen EB, Biller DS, Goggin JM, Griffin JF, Aarsvold S, Emerson SE. COMPUTED TOMOGRAPHIC FINDINGS IN 24 DOGS WITH LIPOSARCOMA. Vet Radiol Ultrasound 2016; 58:23-28. [DOI: 10.1111/vru.12436] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Revised: 08/03/2016] [Accepted: 09/13/2016] [Indexed: 11/26/2022] Open
Affiliation(s)
| | | | - David Szabo
- Animal Specialty and Emergency Center; Los Angeles CA 90025
| | - Eli B. Cohen
- College of Veterinary Medicine; North Carolina State University; Raleigh NC 27607
| | - David S. Biller
- College of Veterinary Medicine; Kansas State University; Manhattan KS
| | | | - John F. Griffin
- Department of Veterinary Large Animal Clinical Sciences; Texas A&M University; College Station TX 77845
| | - Stacie Aarsvold
- Cummings School of Veterinary Medicine; Tufts University; North Grafton MA 01536
| | - Susan E. Emerson
- College of Veterinary Medicine & Biomedical Sciences; Colorado State University; Fort Collins CO 80525
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21
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Avallone G, Pellegrino V, Roccabianca P, Lepri E, Crippa L, Beha G, De Tolla L, Sarli G. Tyrosine Kinase Receptor Expression in Canine Liposarcoma. Vet Pathol 2016; 54:212-217. [DOI: 10.1177/0300985816671379] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The expression of tyrosine kinase receptors is attracting major interest in human and veterinary oncological pathology because of their role as targets for adjuvant therapies. Little is known about tyrosine kinase receptor (TKR) expression in canine liposarcoma (LP), a soft tissue sarcoma. The aim of this study was to evaluate the immunohistochemical expression of the TKRs fibroblast growth factor receptor 1 (FGFR1) and platelet-derived growth factor receptor–β (PDGFRβ); their ligands, fibroblast growth factor 2 (FGF2) and platelet-derived growth factor B (PDGFB); and c-kit in canine LP. Immunohistochemical labeling was categorized as high or low expression and compared with the mitotic count and MIB-1–based proliferation index. Fifty canine LPs were examined, classified, and graded. Fourteen cases were classified as well differentiated, 7 as myxoid, 25 as pleomorphic, and 4 as dedifferentiated. Seventeen cases were grade 1, 26 were grade 2, and 7 were grade 3. A high expression of FGF2, FGFR1, PDGFB, and PDGFRβ was identified in 62% (31/50), 68% (34/50), 81.6% (40/49), and 70.8% (34/48) of the cases, respectively. c-kit was expressed in 12.5% (6/48) of the cases. Mitotic count negatively correlated with FGF2 ( R = –0.41; P < .01), being lower in cases with high FGF2 expression, and positively correlated with PDGFRβ ( R = 0.33; P < .01), being higher in cases with high PDGFRβ expression. No other statistically significant correlations were identified. These results suggest that the PDGFRβ-mediated pathway may have a role in the progression of canine LP and may thus represent a promising target for adjuvant cancer therapies.
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Affiliation(s)
- G. Avallone
- Department of Veterinary Medical Sciences (DIMEVET), University di Bologna, Ozzano dell’Emilia, Italy
| | - V. Pellegrino
- Department of Veterinary Medical Sciences (DIMEVET), University di Bologna, Ozzano dell’Emilia, Italy
| | - P. Roccabianca
- Department of Veterinary Medicine (DIMEVET), University of Milan, Milan, Italy
| | - E. Lepri
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy
| | | | - G. Beha
- Department of Veterinary Medical Sciences (DIMEVET), University di Bologna, Ozzano dell’Emilia, Italy
| | - L. De Tolla
- Department of Pathology, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - G. Sarli
- Department of Veterinary Medical Sciences (DIMEVET), University di Bologna, Ozzano dell’Emilia, Italy
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22
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Plumlee QD, Hernandez AM, Clark SD, Bascuñán A, Davidson J, Mansell J. High-Grade Myxoid Liposarcoma (Round Cell Variant) in a Dog. J Comp Pathol 2016; 155:305-309. [PMID: 27665042 DOI: 10.1016/j.jcpa.2016.08.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 08/09/2016] [Accepted: 08/22/2016] [Indexed: 11/19/2022]
Abstract
A 10-year-old, neutered male, Basset hound had a 26 × 21 × 21 cm infiltrative mass on the left abdominal wall that did not extend into the peritoneal cavity based on radiographs and abdominal computed tomography. Cytological examination revealed moderate numbers of neoplastic round cells, which frequently contained numerous round, clear, cytoplasmic vacuoles. Histologically, the tumour was composed of two morphologically distinct cell populations forming a continuum of heterogeneously differentiated cells. The primary spindle-shaped population formed streams with abundant, lightly eosinophilic, alcian blue-positive, myxoid matrix. The second population was arranged in sheets and had a round cell appearance. Scattered within both populations were neoplastic cells containing variably sized, intracytoplasmic, osmium tetroxide-positive vacuoles (lipid). Multifocal large pools of mucin formed pseudocysts, and numerous small capillaries were present throughout the neoplasm. According to the current World Health Organization veterinary classification of liposarcomas, this neoplasm had morphological features of both the myxoid and pleomorphic variants of liposarcoma; however, it was analogous to the recently defined high-grade myxoid liposarcoma in man. Myxoid liposarcoma with round cells has not been described previously in dogs. This case highlights the need to potentially re-evaluate the current classification of liposarcomas in animals.
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Affiliation(s)
| | | | - S D Clark
- Department of Veterinary Pathobiology, USA
| | - A Bascuñán
- Department of Veterinary Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - J Davidson
- Department of Veterinary Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - J Mansell
- Department of Veterinary Pathobiology, USA
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23
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Tsai FY, Chang HM, Chang HK, Kao JP, Liao JW. CASE REPORT: ENDOMETRIAL STROMAL SARCOMA AND LIPOSARCOMA IN AN AFRICAN HEDGEHOG (Atelerix albiventris). ACTA ACUST UNITED AC 2016. [DOI: 10.1142/s1682648515720117] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A 2-year-7-month-old female intact African hedgehog was presented with a subcutaneous mass around the right side of the neck as well as an intra-abdominal mass found during palpation. Surgical excision and exploratory laparotomy were performed. A uterine mass was identified during laparotomy and ovariohysterectomy was performed. The botryoid mass measured [Formula: see text][Formula: see text]cm and was located in the right uterine horn. It had a meat-like texture and was yellow-white and dark red in color. The removed subcutaneous mass measured [Formula: see text][Formula: see text]cm. The mass was well-encapsulated and had a yellow-white homogeneous texture on the cut surface. Histologically, the myometrium was invaded by neoplastic cells and the tissue boundaries were not obvious. Neoplastic cells were arranged in a whirling or intersecting pattern, with strong angiogenesis present. Vacuolated nuclei were round and oval to cigar shaped, with one to multiple nucleoli present. Immunohistochemistry revealed a positive reaction for CD10, but a negative reaction for smooth muscle actin (SMA) and desmin in the uterine neoplastic cells. Histologically, well-differentiated adipocytes with sheets of undifferentiated polygonal neoplastic cells, which were characterized by vacuolated nuclei with prominent multiple nucleoli, were found in the subcutaneous mass. Neoplastic cells of the subcutaneous mass were positively stained with antibodies of MDM2 and estrogen receptor (ER), but failed to give a positive result for vimentin because the cross-species interaction was insufficient. The definitive diagnosis was endometrial stromal sarcoma and liposarcoma in an African hedgehog.
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Affiliation(s)
- Fang-Yi Tsai
- Veterinary Medicine Teaching Hospital College of Veterinary Medicine, National Chung Hsing University, 250 Kuo Kuang Rd., Taichung 40227, Taiwan
| | - Hui-Ming Chang
- Department of Veterinary Medicine, National Chung Hsing University, 250 Kuo Kuang Rd., Taichung 40227, Taiwan
| | - Hao-Kai Chang
- Graduate Institute of Veterinary Pathobiology, National Chung Hsing University, 250 Kuo Kuang Rd., Taichung 40227, Taiwan
| | - Ju-Pai Kao
- Veterinary Medicine Teaching Hospital College of Veterinary Medicine, National Chung Hsing University, 250 Kuo Kuang Rd., Taichung 40227, Taiwan
| | - Jiunn-Wang Liao
- Graduate Institute of Veterinary Pathobiology, National Chung Hsing University, 250 Kuo Kuang Rd., Taichung 40227, Taiwan
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24
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Kwon HJ, Park MS, Kim DY, Cho DY, Yoon BI, Shin NS, Kim DY. Round Cell Variant of Myxoid Liposarcoma in a Japanese Macaque (Macaca fuscata). Vet Pathol 2016; 44:229-32. [PMID: 17317804 DOI: 10.1354/vp.44-2-229] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A 5-year-old, female, Japanese Macaque ( Macaca fuscata) was diagnosed with round cell variant of myxoid liposarcoma. At necropsy, multifocal to coalescing, reddish tan to white nodules, ranging from 0.5 to 1 cm in diameter, were noted throughout the omentum and retroperitoneum. Similar neoplastic nodules were also present in diaphragm, abdominal wall, and on hepatic capsule. Microscopically, neoplastic masses consisted of round to polyhedral cells, which had round, often eccentric nuclei and abundant eosinophilic granular and microvacuolated cytoplasm; Oil red O staining demonstrated large numbers of lipid droplets in the cytoplasm. Ultrastructurally, the cytoplasm of the tumor cells was packed with occasional lipid vacuoles and numerous enlarged mitochondria. Immunohistochemistry revealed tumor cells were positive for vimentin, while negative to cytokeratin, actin, and Factor VIII-related antigen. To the authors' knowledge, this is the first report of round-cell variant of myxoid liposarcoma in nonhuman primate.
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Affiliation(s)
- H-J Kwon
- Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea.
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25
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Metastatic Liposarcoma in a South African Fur Seal (Arctocephalus pusillus). J Comp Pathol 2016; 155:72-5. [PMID: 27290645 DOI: 10.1016/j.jcpa.2016.05.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 04/11/2016] [Accepted: 05/10/2016] [Indexed: 12/20/2022]
Abstract
A 14-year-old female South African fur seal (Arctocephalus pusillus) was presented with a large skin mass on the right shoulder. At necropsy examination, multiple white nodules were found in the lungs, liver, spleen and right axillary lymph nodes. Histologically, the skin mass was composed of round to polygonal neoplastic cells with round to oval nuclei and variably sized cytoplasmic vacuoles. Cellular and nuclear atypia were prominent. Immunohistochemically, the neoplastic cells expressed vimentin, but not cytokeratins, S100 protein, adipophilin or desmin. The cytoplasmic lipid droplets stained positively with oil red O. Metastasis was seen in the lungs, liver, spleen and right axillary lymph nodes, with similar morphological features to the skin mass. Based on these findings, a diagnosis of a pleomorphic liposarcoma with systemic metastasis was made. No previous reports of metastatic liposarcomas have been published in marine mammals.
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26
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Avallone G, Roccabianca P, Crippa L, Lepri E, Brunetti B, Bernardini C, Forni M, Olandese A, Sarli G. Histological Classification and Immunohistochemical Evaluation of MDM2 and CDK4 Expression in Canine Liposarcoma. Vet Pathol 2016; 53:773-80. [DOI: 10.1177/0300985815626573] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Canine liposarcoma is an uncommon soft tissue sarcoma usually arising in the subcutis. While liposarcoma classification in dogs is based solely on histology, in humans it depends on the detection of genetic abnormalities that can lead to specific protein overexpression. This study is an immunohistochemical evaluation of MDM2 and CDK4 expression in canine liposarcoma designed to assess the correlation of these proteins with histologic type, grade, mitotic index and Ki67 labeling index and evaluate their utility in improving tumor classification. Fifty-three liposarcomas were retrospectively collected: 24 were well differentiated liposarcomas (WDL), 16 of which expressed MDM2 and 21 CDK4; 7 were myxoid liposarcomas (ML), 1 of which expressed MDM2 and 5 expressed CDK4; 18 were pleomorphic liposarcomas (PL), all were MDM2 negative and 12 expressed CDK4. Four tumors were morphologically consistent with dedifferentiated liposarcoma (DDL) a subtype described only in humans: 3 expressed MDM2 and 4 expressed CDK4. MDM2 expression correlated with histotype (highly expressed in WDL and DDL) and grade (highly expressed in grade 1 tumors). Histotype correlated with the Ki67 labeling index (lowest in WDL and highest in DDL). A revised classification, considering MDM2 expression, allowed 8 WDL to be reclassified as PL and correlated significantly with mitotic and Ki67 labeling index (both significantly lower in WDL and progressively higher in ML and DDL). These results partially parallel data reported for human liposarcomas, suggesting that WDL and DDL are distinct neoplastic entities characterized by MDM2 expression, which may represent a useful diagnostic and potentially prognostic marker for canine liposarcoma.
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Affiliation(s)
- G. Avallone
- Department of Veterinary Medical Sciences
(DIMEVET), University of Bologna, Ozzano dell’Emilia, Italy
| | - P. Roccabianca
- Department of Veterinary Sciences and Public
Health (DIVET), University of Milan, Milan, Italy
| | | | - E. Lepri
- Department of Veterinary Medicine, University
of Perugia, Perugia, Italy
| | - B. Brunetti
- Department of Veterinary Medical Sciences
(DIMEVET), University of Bologna, Ozzano dell’Emilia, Italy
| | - C. Bernardini
- Department of Veterinary Medical Sciences
(DIMEVET), University of Bologna, Ozzano dell’Emilia, Italy
| | - M. Forni
- Department of Veterinary Medical Sciences
(DIMEVET), University of Bologna, Ozzano dell’Emilia, Italy
| | - A. Olandese
- Department of Veterinary Medical Sciences
(DIMEVET), University of Bologna, Ozzano dell’Emilia, Italy
| | - G. Sarli
- Department of Veterinary Medical Sciences
(DIMEVET), University of Bologna, Ozzano dell’Emilia, Italy
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27
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Rahmati-Holasoo H, Shokrpoor S, Tavakkoli A, Vajhi A, Ebrahimzadeh Mousavi H. Liposarcoma or invasive lipomatosis in flower horn fish, hybrid cichlid: clinical, radiological, ultrasonographical and histopathological study. JOURNAL OF FISH DISEASES 2016; 39:309-315. [PMID: 25753688 DOI: 10.1111/jfd.12364] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 02/02/2015] [Accepted: 02/02/2015] [Indexed: 06/04/2023]
Abstract
Liposarcoma or invasive lipomatosis affecting three indoor aquarium fish (flower horn fish, hybrid cichlid) is characterized, by the presence of mature adipocytes of variable sizes and by an invasive behaviour, which affected internal organs and eyes of all cases. Detailed macroscopic, radiological, ultrasonographical and histopathological features are presented. All fish had bilateral exophthalmia with some masses around the eyes. Ultrasonography confirmed the presence of hyperechoic masses in the eyes. Histopathology of all cases described the presence of variable-sized adipose cells in the eyes. The suggested diagnosis is well-differentiated liposarcoma or invasive lipomatosis. This is the first report of liposarcoma or invasive lipomatosis in flower horn fish, hybrid cichlid.
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Affiliation(s)
- H Rahmati-Holasoo
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - S Shokrpoor
- Department of Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - A Tavakkoli
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - A Vajhi
- Department of Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - H Ebrahimzadeh Mousavi
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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28
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Hohenhaus AE, Kelsey JL, Haddad J, Barber L, Palmisano M, Farrelly J, Soucy A. Canine Cutaneous and Subcutaneous Soft Tissue Sarcoma: An Evidence-Based Review of Case Management. J Am Anim Hosp Assoc 2016; 52:77-89. [DOI: 10.5326/jaaha-ms-6305] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Canine cutaneous and subcutaneous soft tissue sarcomas (STS) account for 20.3% of malignant neoplasms of the skin. This article makes recommendations for the diagnosis, treatment, and follow-up in dogs with STS, using evidence-based medicine concepts. Although our review of the literature on the management of canine STS found many of the studies to be less than rigorous, board-certified specialists in internal medicine, surgery, pathology, oncology, and radiation oncology were able to make several recommendations based on the literature review: cytology and biopsy are important for presurgical planning; wide (>3 cm margins) surgical excision decreases the likelihood of tumor recurrence; the use of a histologic grading scale is useful in predicting biologic behavior; and, in select cases, chemotherapy and radiation therapy may be beneficial adjunct treatments to surgical excision. More research is necessary to determine minimum size of surgical margins, the impact of radiation therapy on incompletely resected tumors, the ideal chemotherapy protocol for high grade STS, and the optimal methods of monitoring dogs for tumor recurrence and metastasis.
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Affiliation(s)
- Ann E. Hohenhaus
- From the Animal Medical Center, New York, NY (A.E.H.); Stanford University, Stanford, CA (J.L.K.); IDEXX Laboratories, New York, NY (J.H.); Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA (L.B.); VCA Veterinary Referral and Emergency Center, Norwalk, CT (M.P.); the Veterinary Cancer Center, Norwalk, CT (J.F.); and Guilford Veterinary Hospital, Guilford, CT (A.S.)
| | | | - Jamie Haddad
- From the Animal Medical Center, New York, NY (A.E.H.); Stanford University, Stanford, CA (J.L.K.); IDEXX Laboratories, New York, NY (J.H.); Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA (L.B.); VCA Veterinary Referral and Emergency Center, Norwalk, CT (M.P.); the Veterinary Cancer Center, Norwalk, CT (J.F.); and Guilford Veterinary Hospital, Guilford, CT (A.S.)
| | - Lisa Barber
- From the Animal Medical Center, New York, NY (A.E.H.); Stanford University, Stanford, CA (J.L.K.); IDEXX Laboratories, New York, NY (J.H.); Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA (L.B.); VCA Veterinary Referral and Emergency Center, Norwalk, CT (M.P.); the Veterinary Cancer Center, Norwalk, CT (J.F.); and Guilford Veterinary Hospital, Guilford, CT (A.S.)
| | - Matthew Palmisano
- From the Animal Medical Center, New York, NY (A.E.H.); Stanford University, Stanford, CA (J.L.K.); IDEXX Laboratories, New York, NY (J.H.); Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA (L.B.); VCA Veterinary Referral and Emergency Center, Norwalk, CT (M.P.); the Veterinary Cancer Center, Norwalk, CT (J.F.); and Guilford Veterinary Hospital, Guilford, CT (A.S.)
| | - John Farrelly
- From the Animal Medical Center, New York, NY (A.E.H.); Stanford University, Stanford, CA (J.L.K.); IDEXX Laboratories, New York, NY (J.H.); Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA (L.B.); VCA Veterinary Referral and Emergency Center, Norwalk, CT (M.P.); the Veterinary Cancer Center, Norwalk, CT (J.F.); and Guilford Veterinary Hospital, Guilford, CT (A.S.)
| | - Anita Soucy
- From the Animal Medical Center, New York, NY (A.E.H.); Stanford University, Stanford, CA (J.L.K.); IDEXX Laboratories, New York, NY (J.H.); Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA (L.B.); VCA Veterinary Referral and Emergency Center, Norwalk, CT (M.P.); the Veterinary Cancer Center, Norwalk, CT (J.F.); and Guilford Veterinary Hospital, Guilford, CT (A.S.)
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29
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Shiwa N, Boonsriroj H, Kimitsuki K, Shimatsu T, Park CH. The co-existence of a myxoid liposarcoma and leiomyoma in the same ovarian mass of a dog. J Vet Med Sci 2015; 78:467-71. [PMID: 26522811 PMCID: PMC4829519 DOI: 10.1292/jvms.15-0467] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
A 15-year-old, female mixed-breed dog presented with abdominal distention. An exploratory
laparotomy revealed a large left ovarian mass (20 × 15 × 12 cm). Histopathological
examination of the mass revealed a mixed myxoid liposarcoma and a well-differentiated
leiomyoma. Four months after surgical removal of the mass, the dog died due to multiorgan
metastasis. The metastasis was composed solely of the liposarcoma component. The
liposarcoma component was Alcian Blue- and Oil red O-positive, and demonstrated
immunoreactivity with S-100, adipophilin and vimentin. Electron microscopy revealed that
the tumor cell cytoplasms were packed with lipid vacuoles and dilated rough endoplasmic
reticulum. To our knowledge, this is the first report of myxoid liposarcoma and leiomyoma
co-existing in a canine ovary.
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Affiliation(s)
- Nozomi Shiwa
- Department of Veterinary Pathology, School of Veterinary Medicine, Kitasato University, 23-35-1 Higashi, Towada, Aomori 034-8628, Japan
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30
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Forlani A, Roccabianca P, Palmieri C, Sarli G, Stefanello D, Santagostino S, Randi C, Avallone G. Pathological characterization of primary splenic myxoid liposarcomas in three dogs. Vet Q 2015; 35:181-4. [PMID: 25953196 DOI: 10.1080/01652176.2015.1049384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Non-angiomatous-non-lymphomatous sarcomas (NANLs) represent 23%-34% of canine primary splenic sarcomas. Splenic liposarcomas account for 2%-6% of NANLs but myxoid variants are rarely reported and information on their behaviour is fragmentary. An 8-year-old male crossbreed (case 1), a 12-year-old female French bulldog (case 2), and an 11-year-old crossbreed (case 3) underwent splenectomy after the detection of a splenic nodule. Histology, histochemistry, immunohistochemistry, and transmission electron microscopy (TEM) were performed. Bundles of spindle-to-polygonal cells containing occasional cytoplasmic oil-red-O positive vacuoles embedded in an Alcian blue-positive extracellular matrix were observed. Aggregates of round cells were detected in cases 1 and 3. All tumours were vimentin positive and actin, desmin, Factor VIII, and S100 negative. The TEM evidenced different maturational stages of adipose cells (lipoblasts, intermediate, and undifferentiated). All the cases developed hepatic metastases and were euthanized. Disease free interval was 2 months in cases 1 and 3, and 21 months in case 2. The presence of a neoplastic embolus in case 1 and areas of round cell differentiation in cases 1 and 3 represented the sole prognostic indices.
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Affiliation(s)
- A Forlani
- a Dipartimento di Scienze Veterinarie e Sanità Pubblica , School of Veterinary Medicine , University of Milano , Via Celoria 1020133 Milano , Italy
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31
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Doria-Torra G, Martínez J, Domingo M, Vidaña B, Isidoro-Ayza M, Casanova MI, Vidal E. Liposarcoma in animals: literature review and case report in a domestic pig (Sus scrofa). J Vet Diagn Invest 2015; 27:196-202. [PMID: 25613042 DOI: 10.1177/1040638714567190] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Liposarcomas are malignant tumors of adipocytes. The current report describes a liposarcoma in a 2.5-year-old, mixed-breed commercial sow that was detected during meat inspection. On gross examination, a firm, whitish, multinodular, 20 cm ×10 cm mass was observed in the perirenal area along with smaller nodules multifocally scattered within the renal parenchyma. Histological examination revealed an anaplastic sarcoma with clear intracytoplasmic lipidic vacuoles that were positive for Sudan black staining. Most of the cells were also positive for S100 and vimentin immunohistochemistry. Based on these results, a diagnosis of a perirenal liposarcoma was established. To the authors' knowledge, no previous reports of liposarcomas in pigs have been published. This report also includes a review of the literature published on animal liposarcomas.
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Affiliation(s)
- Georgina Doria-Torra
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
| | - Jorge Martínez
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
| | - Mariano Domingo
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
| | - Beatriz Vidaña
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
| | - Marcos Isidoro-Ayza
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
| | - María Isabel Casanova
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
| | - Enric Vidal
- Departament de Sanitat i Anatomia Animals (Doria-Torra, Martínez, Domingo, Vidaña, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainServei de Diagnòstic de Patologia Veterinària (Doria-Torra, Martínez, Domingo, Isidoro-Ayza, Casanova), Bellaterra, Barcelona, SpainUniversitat Autònoma de Barcelona (UAB), Bellaterra, Barcelona, SpainCentre de Recerca en Sanitat Animal, UAB-IRTA, Bellaterra, Barcelona, Spain (Martínez, Domingo, Vidaña, Vidal)
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32
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Avallone G, Boracchi P, Stefanello D, Ferrari R, Rebughini A, Roccabianca P. Canine Perivascular Wall Tumors. Vet Pathol 2013; 51:713-21. [DOI: 10.1177/0300985813503565] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Canine perivascular wall tumors (cPWTs) arise from vascular mural cells and are included among soft tissue sarcomas (STSs). Most prognostic studies are performed on canine STSs as a general group and regardless of their specific histotype. The aim of this study was to identify pathological parameters and profiles with prognostic impact for cutaneous/subcutaneous cPWTs. Anatomical location, type of growth, surgical margins, and size and depth of the tumor were collected in 56 cPWTs. The association between each pair of variables was evaluated by χ2 test. Multiple correspondence analysis (MCA) was performed to describe the multivariate association of variables and was followed by cluster analysis to identify specific pathological profiles. The prognostic impact of variables and profiles was assessed by Cox regression model. Size and depth were significantly associated with increased relapse probability. Cases with complete surgical margins did not recur. Other single variables were not significantly associated with relapse. Cluster analysis on MCA considering site, depth, margins, and type of growth identified 3 pathological profiles associated with PWT relapse and having a high prognostic impact. Major prognostic factors for cPWTs were tumor size, depth of growth, and pathological profiles.
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Affiliation(s)
- G. Avallone
- Dipartimento di scienze veterinarie e sanità pubblica (DIVET), Università degli studi di Milano, Milano, Italy
| | - P. Boracchi
- Department of Clinical Sciences and Community Health, Section of Medical Statistics and Biometry, Università degli studi di Milano, Milano, Italy
| | - D. Stefanello
- Dipartimento di scienze veterinarie e sanità pubblica (DIVET), Università degli studi di Milano, Milano, Italy
| | - R. Ferrari
- Dipartimento di scienze veterinarie e sanità pubblica (DIVET), Università degli studi di Milano, Milano, Italy
| | - A. Rebughini
- Dipartimento di scienze veterinarie e sanità pubblica (DIVET), Università degli studi di Milano, Milano, Italy
| | - P. Roccabianca
- Dipartimento di scienze veterinarie e sanità pubblica (DIVET), Università degli studi di Milano, Milano, Italy
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Quinton JF, Ollivier F, Dally C. A case of well-differentiated palpebral liposarcoma in a Guinea pig (Cavia porcellus). Vet Ophthalmol 2013; 16 Suppl 1:155-9. [PMID: 23621115 DOI: 10.1111/vop.12042] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Case JB, MacPhail CM, Withrow SJ. Anatomic distribution and clinical findings of intermuscular lipomas in 17 dogs (2005-2010). J Am Anim Hosp Assoc 2012; 48:245-9. [PMID: 22611214 DOI: 10.5326/jaaha-ms-5767] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Intermuscular lipomas (IML) in dogs can be associated with ominous clinical signs, especially in the thoracic limb. However, the prognosis is excellent following surgical excision. There is a paucity of information in the veterinary literature regarding IML. Our objective was to describe the anatomical location, imaging techniques, and clinical findings in a series of dogs that were diagnosed and treated for IML. The prevalence of thoracic versus pelvic limb IML was not different. Most IML of the thoracic limb were located in the axilla. Operative time for IML of the thoracic and pelvic limb averaged 60 minutes. Complications were rare after marginal surgical excision and recurrence was not seen in any of the cases in this report. Intermuscular lipomas of the axilla are as common as IML of the caudal thigh. Surgical treatment of both axillary and caudal-thigh IML is associated with an excellent prognosis in dogs.
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Affiliation(s)
- J Brad Case
- Department of Small Animal Surgery, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA.
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35
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Romsland TD, Wills TB, Haldorson GJ, Jane Wardrop K, Tripp CD. What is your diagnosis? Lingual mass in a dog. Vet Clin Pathol 2011; 40:561-562. [PMID: 22093098 DOI: 10.1111/j.1939-165x.2011.00366.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Revised: 02/04/2011] [Accepted: 02/04/2011] [Indexed: 12/01/2022]
Affiliation(s)
| | | | - Gary J Haldorson
- Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
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36
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Intraosseous lipoma in the ulna and radius of a two-year-old Leonberger. Vet Comp Orthop Traumatol 2011; 25:144-8. [PMID: 22028073 DOI: 10.3415/vcot-11-03-0037] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Accepted: 09/04/2011] [Indexed: 12/14/2022]
Abstract
This report describes a case of intraosseous lipoma in a two-year-old Leonberger. The dog was presented with a history of ten month lameness in the right forelimb. A massive swelling from the elbow to the carpus of the right forelimb was visible. Treatment with anti-inflammatory medications by the local veterinarian for ten months was unsuccessful and the dog was presented at the university clinic. Radiographic images showed that the diaphyseal part of the ulna was affected by extensive cyst-like osteolysis. Furthermore, the distal metaphysis of the radius showed cyst-like osteolytic changes. The soft-tissue mass and parts of the ulna periosteum were surgically resected. Histopathological analysis of the mass in combination with clinical, surgical and radiographic findings was diagnostic for an intraosseous lipoma. The dog had a good long-term outcome as it was free of any signs of recurrence at the follow-up examinations performed after 18 months and after five years. To the authors' knowledge, this is the first description of intraosseous lipoma in a dog.
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Abstract
OBJECTIVES To review the success rates for liposuction of lipomas in dogs, report early complications and medium-term outcomes and formulate recommendations on the most appropriate candidates for liposuction. METHODS Retrospective study of 20 dogs with 76 lipomas diagnosed by cytology, in which dry liposuction was attempted. Case records were reviewed for number and size of the lipomas, efficacy of liposuction, frequency and types of complication and likelihood of recurrence. RESULTS Liposuction was successful in removing 73 of 76 lipomas (96%). Simple, encapsulated lipomas less than 15 cm in diameter were most easily removed, with minimal risk of complication. Giant lipomas contained fibrous trabeculae that hindered liposuction and resulted in poor fat retrieval. Giant lipomas were also associated with a high risk of bruising, haematoma and seroma, especially when inguinal in location. Regrowth was noted at follow-up between 9 and 36 months in 28% of lipomas. CLINICAL SIGNIFICANCE Liposuction may be less invasive and more attractive to owners than conventional surgery for lipomas up to 15 cm in diameter. Liposuction is not recommended for infiltrative or giant inguinal lipomas. Regrowth can be expected in a high proportion of lipomas, which should be considered when choosing liposuction over conventional excision.
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Affiliation(s)
- G B Hunt
- Veterinary Teaching Hospital, University of Sydney, New South Wales, Australia
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39
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Foster A, Johnston P, Duignan P, Schock A. Pericardial Myxoid Liposarcoma in a Common Eland (Taurotragus oryx). J Comp Pathol 2011; 145:103-6. [PMID: 21306730 DOI: 10.1016/j.jcpa.2010.11.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Revised: 09/02/2010] [Accepted: 11/26/2010] [Indexed: 10/18/2022]
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40
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Dennis MM, McSporran KD, Bacon NJ, Schulman FY, Foster RA, Powers BE. Prognostic Factors for Cutaneous and Subcutaneous Soft Tissue Sarcomas in Dogs. Vet Pathol 2010; 48:73-84. [DOI: 10.1177/0300985810388820] [Citation(s) in RCA: 165] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- M. M. Dennis
- Faculty of Veterinary Science, University of Sydney, Sydney, New South Wales, Australia
| | | | - N. J. Bacon
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida
| | - F. Y. Schulman
- Department of Veterinary Pathology, Armed Forces Institute of Pathology, Washington, DC, and Marshfield Labs, Veterinary Services, Marshfield, Wisconsin
| | - R. A. Foster
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - B. E. Powers
- Veterinary Diagnostic Laboratory, Colorado State University, Fort Collins, Colorado
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41
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AIHARA N, UNE Y. Pleomorphic Liposarcoma of the Intrathoracic Cavity in a Meerkat (Suricata suricatta). J Vet Med Sci 2009; 71:685-8. [DOI: 10.1292/jvms.71.685] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Naoyuki AIHARA
- Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University
| | - Yumi UNE
- Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University
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42
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CHANG SC, LIAO JW. Mesojejunoileac Liposarcoma with Intrahepatic Metastasis in a Dog. J Vet Med Sci 2008; 70:637-40. [DOI: 10.1292/jvms.70.637] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Shih-Chieh CHANG
- Department of Veterinary Medicine, and Veterinary Medical Teaching Hospital
| | - Jiunn-Wang LIAO
- Graduate Institute of Veterinary Pathology, College of Veterinary Medicine, National Chung Hsing University
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43
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Ben-Amotz R, Ellison GW, Thompson MS, Sheppard BJ, Estrada AH, Levy JK. Pericardial lipoma in a geriatric dog with an incidentally discovered thoracic mass. J Small Anim Pract 2007; 48:596-9. [PMID: 17608657 DOI: 10.1111/j.1748-5827.2007.00341.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An intrathoracic mass was discovered as an incidental finding in a 14-year-old, spayed, female Rottweiler cross during evaluation of urinary incontinence. Computed tomography suggested a pericardial or pleural location and high adipose content of the mass. The mass was removed via lateral thoracotomy with partial pericardectomy and was diagnosed as a pericardial lipoma. The dog recovered well, and there was no evidence of recurrence approximately one year later. Adipose tumours of the heart and its associated structures are rare in dogs and have been associated with both successful and fatal outcomes.
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Affiliation(s)
- R Ben-Amotz
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610-0126, USA
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44
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Shive H, Mohammed F, Osterstock J, Porter B, Mansell J. Liposarcoma in the nasal cavity of a cow. Vet Pathol 2006; 43:793-7. [PMID: 16966465 DOI: 10.1354/vp.43-5-793] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Liposarcomas are rare neoplasms in domestic animals, but have been reported to occur in many species. In humans, liposarcoma is one of the most common malignant mesenchymal tumors. Classification of liposarcomas in humans has been well established and categorization by type can be of prognostic value; no such unique classification scheme has been established for liposarcomas in animals. Liposarcoma of the head and neck in humans are uncommon, and are rarely reported in the nasal cavity, sinuses, and nasopharynx. To our knowledge, a liposarcoma has never been reported in the nasal cavity of a domestic animal. In this report we describe a liposarcoma that developed in the nasal cavity of a cow, with local invasion into the oral cavity.
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Affiliation(s)
- H Shive
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4467, USA.
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45
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Rodenas S, Valin I, Devauchelle P, Delisle F, Baron M. Combined Use of Surgery and Radiation in the Treatment of an Intradural Myxoid Liposarcoma in a Dog. J Am Anim Hosp Assoc 2006; 42:386-91. [PMID: 16960043 DOI: 10.5326/0420386] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
An intradural-extramedullary myxoid liposarcoma of the high cervical spine was diagnosed in a 9-year-old, spayed female Cavalier King Charles spaniel that was presented for a 2-month history of cervical pain and tetraparesis. Radiation therapy applied after surgery resulted in complete remission of the neurological deficits. The tumor recurred 18 months after surgical excision. A second surgery and another course of radiotherapy again resulted in complete remission of the clinical signs. The dog was euthanized 11 months after the second surgery because of tumor recurrence.
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Affiliation(s)
- Sergio Rodenas
- Clinique Vétérinaire de référence en chirurgie Baron-Valin, 5 rue fernet, 94700, Maisons Alfort, France
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