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Hoggard NK, Craig LE. Medullary bone in male budgerigars ( Melopsittacus undulatus) with testicular neoplasms. Vet Pathol 2022; 59:333-339. [PMID: 35001765 DOI: 10.1177/03009858211069126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Medullary bone is a calcium-rich, labile bone normally occurring in female birds with each egg-laying cycle. The stimulus for formation of medullary bone is, in part, the cyclic increase in serum estrogens produced by preovulatory ovarian follicles. Increased bone density due to formation of medullary bone, particularly in pneumatic bones, has been termed polyostotic hyperostosis, even if physiologic. This study investigated the formation of medullary bone in nonpneumatic (femur) and pneumatic (humerus) bones in sexually mature male budgerigars submitted for autopsy. Of the 21 sexually mature male budgerigars submitted for autopsy, 7 (33%) had medullary bone in 1 or more bones examined. All 7 male budgerigars with medullary bone had a testicular neoplasm, which was morphologically consistent with a testicular sustentacular cell tumor, seminoma, or interstitial cell tumor. Medullary bone was not present in the 14 cases with other diseases. Medullary bone formation in pneumatic and nonpneumatic bones can occur in male budgerigars with testicular neoplasms. Radiographic increases in medullary bone density, particularly in the humerus, could provide antemortem indication of testicular neoplasia in male budgerigars.
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2
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Szczepanik M, Wilkołek P, Śmiech A, Kalisz G. Non-thymoma-associated exfoliative dermatitis in a European shorthair cat: A case report. Vet Med Sci 2021; 7:2108-2112. [PMID: 34291598 PMCID: PMC8604125 DOI: 10.1002/vms3.583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The current case report presents a case of non‐thymoma‐associated exfoliative dermatitis in an 8‐year‐old European Shorthair female cat. The animal displayed extensive alopecia and excessive peeling of the epidermis. There were no other apparent disorders, except for the skin lesions. Roentgenographic and sonographic examinations, complete blood count and blood serum chemistry analyses, and skin biopsy were performed. The histopathological investigation revealed hyperkeratosis of the epidermis and the infiltration of lymphocytes and macrophages at the dermal‐epidermal junction around the hair follicles and sebaceous glands. Moreover, edema of the basal layer and melanin migration from the epidermis to the dermis were observed. The patient underwent treatment with immunosuppressive doses of prednisolone, antibiotic therapy, and baths in anti‐seborrheic shampoos and displayed resolution. However, recurrence was observed after one month. Consequently, the patient received cyclosporine A, in addition to the aforementioned treatment and the lesions resolved without relapse.
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Affiliation(s)
- Marcin Szczepanik
- Subdepartment of Clinical Diagnostics and Veterinary Dermatology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Lublin, Poland
| | - Piotr Wilkołek
- Subdepartment of Clinical Diagnostics and Veterinary Dermatology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Lublin, Poland
| | - Anna Śmiech
- Department of Pathology, University of Life Science in Lublin, Lublin, Poland
| | - Grzegorz Kalisz
- Department of Biopharmacy, Faculty of Pharmacy, Medical University of Lublin, Lublin, Poland
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3
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Yale AD, Priestnall SL, Pittaway R, Taylor AJ. Thymic epithelial tumours in 51 dogs: Histopathologic and clinicopathologic findings. Vet Comp Oncol 2021; 20:50-58. [PMID: 34036722 DOI: 10.1111/vco.12705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 05/07/2021] [Accepted: 05/09/2021] [Indexed: 11/27/2022]
Abstract
Canine thymic epithelial tumours (TET) are uncommon and little is known about their behaviour. Previous attempts at histologic classification have varied, and as such reliable prognostic information is unavailable. The aim of this retrospective multi-institutional study was to evaluate cases of canine TETs, irrespective of subtype, in order to identify useful histopathologic and clinicopathologic prognostic factors. Cases were included if the tumour arose from the cranial mediastinum and a diagnosis of TET was made on the basis of histopathology. Fifty-one dogs were included. In addition to clinicopathologic data, histology samples were reviewed for the following features: mitotic count, percentage of necrosis, presence of Hassall's corpuscles, lymphocytic infiltrate, cellular pleomorphism and vascular or capsular invasion. The median survival time for all dogs was 449 days. The 1- and 2-year survival rate was 52.6% and 26.3% respectively. On multivariable analysis surgical excision of the thymic tumour was associated with significantly prolonged survival; the presence of metastasis, myasthenia gravis and moderate or marked cellular pleomorphism were associated with significantly reduced survival. Additional studies are needed to further evaluate prognostic factors to aid treatment recommendations.
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Rzeszutek U. Successful Treatment of a Multi-Drug-Resistant Severely Pruritic Hypersensitivity Dermatitis in a Cat. Case Rep Vet Med 2020; 2020:8897365. [PMID: 33123405 PMCID: PMC7582092 DOI: 10.1155/2020/8897365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/25/2020] [Accepted: 09/29/2020] [Indexed: 11/17/2022] Open
Abstract
A 3-year-old neutered female domestic shorthair cat was presented with a severely pruritic dermatitis. After exclusion of flea allergy dermatitis, ectoparasite infestation, retroviral infection, neoplasia, and cutaneous adverse food reaction, a diagnosis of nonflea, nonfood hypersensitivity dermatitis (NFNFHD) was made. The resolution of complicating bacterial infection and yeast overgrowth did not improve the animal's condition. Numerous antipruritic treatment modalities used during the investigation proved unsuccessful, including anti-inflammatory and immunosuppressive prednisolone doses, oclacitinib, antihistamines, ciclosporin A, and supplementation with essential fatty acids. Allergen-specific serology test results were negative. Treatment with oral dexamethasone allowed a complete resolution of clinical signs. The cat has been successfully maintained in remission for over 12 months. To the author's knowledge, this is the first case report of a cat with multi-drug-resistant NFNFHD treated successfully with dexamethasone.
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Affiliation(s)
- Urszula Rzeszutek
- Celia Hammond Animal Trust, 151-153 Barking Rd, Canning Town, London E16 4HQ, UK
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5
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Fournier Q, Bavcar S, Philbey AW, Smith S, Varjonen K. A previously undescribed cutaneous paraneoplastic syndrome in a cat with thymoma. Vet Dermatol 2019; 30:342-e98. [PMID: 30908751 DOI: 10.1111/vde.12745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND Exfoliative dermatitis is a well-recognized cutaneous paraneoplastic syndrome (PNS) associated with thymoma in cats, of which the clinical and histopathological presentation has been well-characterized. OBJECTIVES To describe a novel clinical skin manifestation associated with thymoma in a cat. ANIMAL A 14-year-old neutered female domestic short hair cat. METHODS AND MATERIALS Physical, abdominal ultrasonographic, thoracic radiographic, ultrasonographic and computed tomographic examinations, histopathological assessment of the skin and mediastinal mass. RESULTS The cat was presented with noninflammatory alopecia, with a dorsal multifocal distribution. Examination of the alopecic areas using a dermascope indicated an apparent lack of follicular ostia. Histopathological assessment of alopecic areas confirmed follicular and epidermal atrophy, trichilemmal keratinization and mild orthokeratotic hyperkeratosis. Diagnostic imaging revealed a mediastinal mass, which was surgically removed. Histopathological and immunohistopathological examination of the mass was consistent with a thymoma, associated with multiloculated cyst formation and multifocal cholesterol granulomas. Following surgery, hair re-growth was noted in the previously alopecic areas. The cat was euthanized 3.5 months later because of recurrent chylothorax suspected to be a postoperative complication. The alopecic lesions had improved markedly. CONCLUSIONS AND CLINICAL IMPORTANCE Thymoma-associated PNS might not always manifest as an exfoliative dermatitis and should be considered in the differential diagnosis of multifocal noninflammatory alopecia.
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Affiliation(s)
- Quentin Fournier
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh, EH25 9RG, Scotland, UK
| | - Spela Bavcar
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh, EH25 9RG, Scotland, UK
| | - Adrian W Philbey
- Department of Easter Bush Pathology, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh, EH25 9RG, Scotland, UK
| | - Sionagh Smith
- Department of Easter Bush Pathology, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh, EH25 9RG, Scotland, UK
| | - Katarina Varjonen
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh, EH25 9RG, Scotland, UK
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Ciccarelli S, Di Bello A, Valastro C, Leo C, Lenoci D, Rana E, Franchini D. Unilateral renal cystadenocarcinoma and nodular dermatofibrosis in a mixed-breed dog carrying a FLCN gene mutation. Vet Dermatol 2019; 30:174. [PMID: 30672048 DOI: 10.1111/vde.12719] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND Renal cystadenocarcinoma and nodular dermatofibrosis (RCND) is a rare inherited cancer syndrome observed predominantly in the German shepherd dog breed, known to be associated with dominant autosomal transmission of mutation H255R of the encoding folliculin gene (FLCN). The syndrome usually features bilateral, multifocal kidney tumours and skin nodules, consisting of dense collagen fibres, with previous reports showing a poor prognosis. Although historically nodular dermatofibrosis (ND) has been considered a paraneoplastic syndrome associated with renal cystadenocarcinoma; this hypothesis has been questioned. OBJECTIVES To report a case of unilateral renal adenocarcinoma in a dog with RCND syndrome, with 40-month follow-up. ANIMAL A neutered 5-year-old female, mixed-breed dog. METHODS AND MATERIALS Nodular dermatofibrosis was confirmed with histopathological evaluation. Contrast-enhanced ultrasound (CEUS) supported a presumptive diagnosis of unilateral renal neoplasia and the kidney was removed. RESULTS Nodular dermatofibrosis with unilateral RC was confirmed by histopathological evaluation and DNA sequencing; this was positive for the heterozygous form for the H255R mutation in the FLCN gene. Follow-up at 40 months after nephrectomy showed progressive increase in the size and number of nodular lesions. CONCLUSION AND CLINICAL IMPORTANCE This case supports the hypothesis that nodular dermatofibrosis is not a paraneoplastic syndrome associated with cystadenocarcinoma. It may be instead an independent dermatological feature of the same genetic disease, linked to the mutation of FLCN given that the cutaneous nodules in this dog increased in size and number after removal of the adenocarcinoma.
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Affiliation(s)
- Stefano Ciccarelli
- Department of Veterinary Medicine, University of Bari, Str. Prov. per Casamassima km 3, 70010, Valenzano, Bari, Italy
| | - Antonio Di Bello
- Department of Veterinary Medicine, University of Bari, Str. Prov. per Casamassima km 3, 70010, Valenzano, Bari, Italy
| | - Carmela Valastro
- Department of Veterinary Medicine, University of Bari, Str. Prov. per Casamassima km 3, 70010, Valenzano, Bari, Italy
| | - Chiara Leo
- Istituto Veterinario di Novara, Str. Prov. 9, Granozzo con Monticello, Novara, Italy
| | - Diana Lenoci
- Private Practitioner, Viale Europa 1, 71042, Cerignola, Foggia, Italy
| | - Elisa Rana
- Department of Veterinary Medicine, University of Bari, Str. Prov. per Casamassima km 3, 70010, Valenzano, Bari, Italy
| | - Delia Franchini
- Department of Veterinary Medicine, University of Bari, Str. Prov. per Casamassima km 3, 70010, Valenzano, Bari, Italy
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Vogelnest LJ. Skin as a marker of general feline health: Cutaneous manifestations of systemic disease. J Feline Med Surg 2017; 19:948-960. [PMID: 28838298 PMCID: PMC11128893 DOI: 10.1177/1098612x17723246] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Practical relevance: Although most skin lesions occur due to diseases primarily affecting the skin, some reflect important systemic diseases. Such lesions may relate directly to the systemic disease, or may occur due to secondary skin diseases that develop because of immunosuppression. Early recognition of skin changes as a marker of systemic disease will maximise patient outcomes. Clinical challenges: In older or clearly debilitated cats presenting with skin disease, the potential for underlying systemic disease is often readily apparent. Similarly, cats presenting with severe ulcerative or multifocal nodular skin lesions, or with concurrent signs of systemic illness, will more instinctively prompt systemic evaluation. More challenging is the cat presenting with alopecic, scaling, erythemic and/or mildly crusted skin disease, with or without pruritus; hypersensitivities and infectious dermatoses are the most common considerations, but occasionally systemic disease underlies the skin changes. Knowing when screening laboratory testing, body imaging or other systemic diagnostics are indicated is not always straightforward. Evidence base: This article reviews cutaneous presentations of systemic diseases reported in the veterinary literature, and discusses important differential diagnoses. The author draws on clinical experience, published data on disease prevalence and case evaluations, and expert opinions on approach to common systemic problems to provide guidance on when investigation for underlying systemic disease is most appropriate.
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Affiliation(s)
- Linda J Vogelnest
- Small Animal Specialist Hospital, Sydney, NSW, Australia, and Associate Lecturer, University of Sydney, NSW, Australia
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Hall-Fonte DL, Center SA, McDonough SP, Peters-Kennedy J, Trotter TS, Lucy JM, Berger E, Byers C, Cummings CG, Burke E, Stegemen J, Pintar J, Kantrowitz L, Sharpe K, Weinkle T. Hepatocutaneous syndrome in Shih Tzus: 31 cases (1996-2014). J Am Vet Med Assoc 2016; 248:802-13. [PMID: 27003022 DOI: 10.2460/javma.248.7.802] [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 characterize findings in Shih Tzus with progressive superficial necrolytic dermatitis and degenerative vacuolar hepatopathy consistent with hepatocutaneous syndrome. DESIGN Retrospective case series. ANIMALS 31 Shih Tzus. PROCEDURES Medical records were reviewed to obtain information on signalment, history, treatment, outcome, and results of clinicopathologic testing, abdominal ultrasonography, and histologic examination of skin and liver specimens. A pedigree analysis was performed. RESULTS There were 16 males and 15 females. Median age at the time of diagnosis was 8 years (range, 5 to 14 years). Common clinical signs included lethargy, inappetence, weight loss, and lameness. Twenty-five dogs had cutaneous lesions consistent with hepatocutaneous syndrome; the remaining 6 initially only had hepatic abnormalities, but 3 of the 6 subsequently developed cutaneous lesions. Common clinicopathologic abnormalities included microcytosis (15/24 [63%] dogs) and high serum alkaline phosphatase activity (24/24 [100%] dogs). Hepatic ultrasonographic findings included a hyperechoic or heteroechoic appearance to the parenchyma with innumerable hypoechoic nodules. Histologic hepatic lesions consisted of degenerative vacuolar (glycogen and lipid) hepatopathy associated with minimally fibrotic to nonfibrotic, noninflammatory, proliferative nodules. Pedigree analysis confirmed a common ancestry in 12 of 18 dogs. Median survival time was 3 months (range, 1 to 36 months). CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that HCS may have a heritable component in Shih Tzus, although the condition may also be identified in Shih Tzus without affected relatives. Clinical, clinicopathologic, ultrasonographic, and histologic abnormalities in affected Shih Tzus were similar to those previously reported for dogs of other breeds with HCS.
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Caporali C, Albanese F, Binanti D, Abramo F. Two cases of feline paraneoplastic alopecia associated with a neuroendocrine pancreatic neoplasia and a hepatosplenic plasma cell tumour. Vet Dermatol 2016; 27:508-e137. [DOI: 10.1111/vde.12375] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2016] [Indexed: 11/29/2022]
Affiliation(s)
- Chiara Caporali
- Private Practitioner; via Giovanni da Verrazzano, 19 52100 Arezzo Italy
| | - Francesco Albanese
- Private Veterinary Laboratory “LaVallonea”; via G. Verdi, 39 73031 Alessano (Le) Italy
| | - Diana Binanti
- AbLab, Veterinary Diagnostic Laboratory; via privata Massa Neri, 13 19038 Sarzana (La Spezia) Italy
| | - Francesca Abramo
- Department of Veterinary Sciences; University of Pisa; viale delle Piagge, 2 56124 Pisa Italy
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Hoummady S, Hua J, Muller C, Pouchelon JL, Blondot M, Gilbert C, Desquilbet L. Investigation of risk factors for mortality in aged guide dogs: A retrospective cohort study. Prev Vet Med 2016; 132:125-129. [PMID: 27616361 DOI: 10.1016/j.prevetmed.2016.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 09/01/2016] [Accepted: 09/03/2016] [Indexed: 01/17/2023]
Abstract
The overall median lifespan of domestic dogs has been estimated to 9-12 years, but little is known about risk factors for mortality in aged and a priori healthy dogs. The objective of this retrospective cohort study was to determine which characteristics are associated with mortality in aged and a priori healthy guide dogs, in a retrospective cohort study of 116 guide dogs followed from a systematic geriatric examination at the age of 8-10 years old. A geriatric grid collected the clinical data and usual biological parameters were measured at the time of examination. Univariate (Kaplan-Meier estimates) and multivariable (Cox proportional hazard model) survival analyses were used to assess the associations with time to all-cause death. The majority of dogs were Golden Retrievers (n=48) and Labrador Retrievers (n=27). Median age at geriatric examination was 8.9 years. A total of 76 dogs died during follow-up, leading to a median survival time from geriatric examination of 4.4 years. After adjustment for demographic and biological variables, an increased alanine amionotransferase level (adjusted Hazard Ratio (adjusted HR), 6.2; 95% confidence interval [95%CI], 2.0-19.0; P<0.01), presenting skin nodules (adjusted HR, 1.9; 95% CI, 1.0-3.4; P=0.04), and not being a Labrador Retriever (adjusted HR, 3.3; 95%CI, 1.4-10; P<0.01) were independently associated with a shorter time to death. This study documents independent associations of alanine aminotransferase level, skin nodules and breed with mortality in aged guide dogs. These results may be useful for preventive medical care when conducting a geriatric examination in working dogs.
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Affiliation(s)
- S Hoummady
- UMR-CNRS-MNHN 7179, 1 avenue du Petit Chateau, 91800 Brunoy, France; Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, F-94704 Maisons-Alfort, France.
| | - J Hua
- Dr Locci veterinary clinic, Drancy F-93700, France
| | - C Muller
- Saint Bernard veterinary clinic, Lomme F-59160, France
| | - J L Pouchelon
- Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, F-94704 Maisons-Alfort, France
| | - M Blondot
- Ecole des Chiens Guides de Paris, 105 avenue de Saint-Maurice, F-75015 Paris, France
| | - C Gilbert
- UMR-CNRS-MNHN 7179, 1 avenue du Petit Chateau, 91800 Brunoy, France; Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, F-94704 Maisons-Alfort, France
| | - L Desquilbet
- UMR-CNRS-MNHN 7179, 1 avenue du Petit Chateau, 91800 Brunoy, France; Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, F-94704 Maisons-Alfort, France
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Grandt LM, Roethig A, Schroeder S, Koehler K, Langenstein J, Thom N, Neiger R. Feline paraneoplastic alopecia associated with metastasising intestinal carcinoma. JFMS Open Rep 2015; 1:2055116915621582. [PMID: 28491402 PMCID: PMC5362004 DOI: 10.1177/2055116915621582] [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] [Accepted: 11/16/2015] [Indexed: 11/17/2022] Open
Abstract
CASE SUMMARY A 10-year-old male neutered British Shorthair cat was presented with a 6 month history of lethargy, weight loss and alopecia. Clinical examination revealed widespread alopecia of the ventral abdomen and hindlimbs. The skin in these areas was smooth and shiny and hairs could be easily epilated. Spontaneous pruritus was observed. Cytological examination of superficial impression smears showed a severe Malassezia species dermatitis and pyoderma. Ectoparasites could not be detected and no sign of dermatophytosis was visible in trichograms and Wood's lamp analysis. Abdominal ultrasound found a focally thickened wall of the large intestine and multiple nodules in the liver. Fine-needle aspirates from lymph nodes, liver and altered colonic wall were consistent with an undifferentiated malignant neoplasia. The cat was euthanased at the owners' request, owing to potential neoplasia with metastatic spread. At necropsy a metastasising carcinoma of the colonic wall was found, as well as a paraneoplastic alopecia. RELEVANCE AND NOVEL INFORMATION Feline paraneoplastic alopecia has been reported in association with pancreatic carcinoma, bile duct carcinoma and hepatocellular carcinoma, as well as with neuroendocrine pancreatic carcinoma and hepatosplenic plasma cell tumour. This is the first reported case of feline paraneoplastic alopecia associated with a colon carcinoma.
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Affiliation(s)
- Lisa-Maria Grandt
- Clinic for Small Animal Internal Medicine, Justus-Liebig University of Giessen, Giessen, Germany
| | - Anja Roethig
- Clinic for Small Animal Internal Medicine, Justus-Liebig University of Giessen, Giessen, Germany
| | - Sabrina Schroeder
- Institute of Veterinary Pathology, Justus-Liebig University of Giessen, Giessen, Germany
| | - Kernt Koehler
- Institute of Veterinary Pathology, Justus-Liebig University of Giessen, Giessen, Germany
| | - Judith Langenstein
- Clinical Pathology, Justus-Liebig University of Giessen, Giessen, Germany
| | - Nina Thom
- Clinic for Small Animal Internal Medicine, Justus-Liebig University of Giessen, Giessen, Germany
| | - Reto Neiger
- Clinic for Small Animal Internal Medicine, Justus-Liebig University of Giessen, Giessen, Germany
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Abstract
A 9-year-old castrated domestic shorthair cat was presented with a 6 week history of progressive non-pruritic alopecia, polyphagia and weight loss. A diagnosis of lymphocytic mural folliculitis was made and the cat was treated with a combination of prednisolone and ciclosporin; this produced an improvement in the alopecia but no resolution. Sixteen months after the initial assessment and diagnosis, the cat was re-evaluated for intermittent vomiting and weight loss with normal appetite. On examination the dermatopathy was still evident and a mass involving the duodenum and pancreas was present, which was diagnosed as a pancreatic carcinoma. From this case it would appear that lymphocytic mural folliculitis might be an early dermatological manifestation of pancreatic neoplasia.
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Affiliation(s)
- Remo Lobetti
- Bryanston Veterinary Hospital, Bryanston, South Africa
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13
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Garneau MS, Price LL, Withrow SJ, Boston SE, Ewing PJ, McClaran JK, Liptak JM, Berg J. Perioperative Mortality and Long-Term Survival in 80 Dogs and 32 Cats Undergoing Excision of Thymic Epithelial Tumors. Vet Surg 2014; 44:557-64. [PMID: 25367336 DOI: 10.1111/j.1532-950x.2014.12304.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 07/01/2014] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To examine perioperative mortality, long-term survival, causes of death, and prognostic factors for dogs and cats undergoing surgical excision of thymic epithelial tumors (TETs). STUDY DESIGN Multi-institutional case series. ANIMALS Eighty dogs and 32 cats. METHODS Follow-up information was obtained for dogs and cats that underwent surgical excision of a TET between 2001 and 2012. RESULTS Perioperative mortality was 20% in dogs and 22% in cats. No independent risk factors for perioperative mortality were identified. The estimated median survival time for all dogs was 1.69 years (95% CI 0.56-4.32) and the 1- and 4-year survival rates were 55% (95% CI 44-67) and 44% (95% CI 32-56). The estimated median survival time for all cats was 3.71 years (95% CI 0.56-unestimatable) and the 1- and 4-year survival rates were 70% (95% CI 53-87) and 47% (95% CI 0-100). Of animals that survived to discharge, 42% of dogs and 20% of cats eventually died of TET-related causes. The presence of paraneoplastic syndromes (hazard ratio [HR] 5.78, 95% CI 1.64-20.45, P = .007) or incomplete histologic margins (HR 6.09, 95% CI 1.50-24.72, P = .01) were independently associated with decreased survival in dogs. No significant predictors of survival were identified in cats. Conclusions regarding the effect of chemotherapy or radiation therapy could not be made. CONCLUSIONS While there is substantial risk of perioperative death in dogs and cats undergoing surgery for TETs, many animals that survive to discharge have prolonged survival. Survival is significantly decreased in dogs with paraneoplastic syndromes or incomplete histologic margins.
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Affiliation(s)
- Mark S Garneau
- Tufts Cummings School of Veterinary Medicine, North Grafton, Massachusetts
| | | | - Stephen J Withrow
- Colorado State University Veterinary Teaching Hospital, Fort Collins, Colorado
| | | | | | | | | | - John Berg
- Tufts Cummings School of Veterinary Medicine, North Grafton, Massachusetts
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Linek M, Rüfenacht S, Brachelente C, von Tscharner C, Favrot C, Wilhelm S, Nett C, Mueller RS, Mayer U, Welle M. Nonthymoma-associated exfoliative dermatitis in 18 cats. Vet Dermatol 2014; 26:40-5, e12-3. [DOI: 10.1111/vde.12169] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/14/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Monika Linek
- Tieraerztliche Spezialisten; Rodigallee 85 D-22043 Hamburg Germany
| | | | - Chiara Brachelente
- Vetsuisse Faculty; Institute for Animal Pathology; University of Bern; Länggassstrasse 120 CH-3001 Bern Switzerland
| | - Claudia von Tscharner
- Vetsuisse Faculty; Institute for Animal Pathology; University of Bern; Länggassstrasse 120 CH-3001 Bern Switzerland
| | - Claude Favrot
- Vetsuisse Faculty; Dermatologie Klinik für Kleintiermedizin; Winterthurerstrasse 260 CH-8057 Zürich Switzerland
| | - Sylvia Wilhelm
- Dermavet; Muhenstrasse 56 CH-5036 Oberentfelden Switzerland
| | - Claudia Nett
- Dermatologie und Allergologie für Tiere; c/o Ennetseeklinik für Kleintiere; Rothusstrasse 2 CH-6331 Hünenberg Switzerland
| | - Ralf S. Mueller
- Centre for Clinical Veterinary Medicine; Ludwig Maximilian University; D-80539 Munich Germany
| | | | - Monika Welle
- Vetsuisse Faculty; Institute for Animal Pathology; University of Bern; Länggassstrasse 120 CH-3001 Bern Switzerland
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16
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Mancinelli E, Meredith AL, Stidworthy MF. Systemic Infection Due to Candida parapsilosis in a Domestic Ferret ( Mustela putorius furo). J Exot Pet Med 2014; 23:85-90. [PMID: 32288679 PMCID: PMC7106228 DOI: 10.1053/j.jepm.2013.11.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An 18-month-old castrated male ferret (Mustela putorius furo) was presented to the veterinary hospital for acute collapse but died despite initiation of emergency treatment. The body was submitted for a complete postmortem examination. The pathologist determined the ferret was suffering from severe necrotizing encephalitis, necrogranulomatous mediastinal lymphadenitis, and ulcerative dermatitis attributable to systemic Candida parapsilosis. This is the first report of systemic Candida parapsilosis in a ferret.
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Affiliation(s)
- Elisabetta Mancinelli
- Royal (Dick) School of Veterinary Studies, Easter Bush Veterinary Centre, Roslin, Scotland
| | - Anna L Meredith
- Royal (Dick) School of Veterinary Studies, Easter Bush Veterinary Centre, Roslin, Scotland
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17
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Prélaud AR, Lee AJD, Mueller RS, Zeeland YRA, Bettenay S, Majzoub M, Zenker I, Hein J. Presumptive paraneoplastic exfoliative dermatitis in four domestic rabbits. VETERINARY RECORD CASE REPORTS 2013. [DOI: 10.1136/vetreccr.101226rep] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
| | - A. Jassies‐van der Lee
- Department of Clinical Sciences of Companion AnimalsFaculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - R. S. Mueller
- Centre for Clinical Veterinary MedicineLudwig‐Maximilians‐UniversityGermany
| | - Y. R. A. Zeeland
- Department of Clinical Sciences of Companion AnimalsFaculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - S. Bettenay
- Tierdermatologie DeisenhofenDeisenhofenGermany
| | - M. Majzoub
- Institute for Veterinary PathologyLudwig‐Maximilians‐UniversityMunichGermany
| | - I. Zenker
- Tierärztliche Klinik für Kleintiere in DüsseldorfGermany
| | - J. Hein
- Centre for Clinical Veterinary MedicineLudwig‐Maximilians‐UniversityGermany
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18
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19
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Isidoro-Ayza M, Lloret A, Bardagí M, Ferrer L, Martínez J. Superficial necrolytic dermatitis in a dog with an insulin-producing pancreatic islet cell carcinoma. Vet Pathol 2013; 51:805-8. [PMID: 24021558 DOI: 10.1177/0300985813503567] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A 10-year-old dog presented with convulsive crisis and symmetrical hyperkeratotic cutaneous lesions affecting the abdomen, inguinal area, eyelids, muzzles, both pinnae, and all the paw pads. Hypoglycemia and hyperinsulinemia were the main biochemical findings. A mass 2 cm in diameter was detected within the left pancreatic lobe by ultrasonography. It was surgically removed and histologically and immunohistochemically diagnosed as an insulin-producing pancreatic islet cell carcinoma. The animal was eventually euthanized due to lack of clinical improvement. At necropsy, metastatic nodules were observed in the pancreatic lymph nodes and liver. Histopathological findings of cutaneous lesions were highly suggestive of superficial necrolytic dermatitis and were interpreted as a paraneoplastic syndrome derived from the islet cell carcinoma. To the authors' knowledge, this is the first report of superficial necrolytic dermatitis associated with an insulin-producing pancreatic neuroendocrine carcinoma in dogs.
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Affiliation(s)
- M Isidoro-Ayza
- Servei de Diagnòstic de Patologia Veterinària, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain Departament de Sanitat i Anatomia Animals, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - A Lloret
- Fundació Hospital Clínic Veterinari, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - M Bardagí
- Fundació Hospital Clínic Veterinari, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain Departament de Medicina i Cirurgia Animals, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - L Ferrer
- Fundació Hospital Clínic Veterinari, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain Departament de Medicina i Cirurgia Animals, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - J Martínez
- Servei de Diagnòstic de Patologia Veterinària, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain Departament de Sanitat i Anatomia Animals, Veterinary School, Universitat Autònoma de Barcelona, Barcelona, Spain
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Abstract
Vesicular, ulcerative, and necrotic dermatologic conditions are common in captive reptiles. Although these conditions have distinct differences histologically, they are commonly sequelae to each other. This article examines the anatomy and physiology of reptile skin; discusses reported causes of vesicular, ulcerative, and necrotic dermatologic conditions; and reviews various management options.
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Affiliation(s)
- Adolf K Maas
- Center for Bird and Exotic Animal Medicine, 11401 Northeast 195th Street, Bothell, WA 98011, USA; ZooVet Consulting, PLLC, PO Box 1007, Bothell, WA 98041, USA.
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21
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Asakawa MG, Cullen JM, Linder KE. Necrolytic migratory erythema associated with a glucagon-producing primary hepatic neuroendocrine carcinoma in a cat. Vet Dermatol 2013; 24:466-9, e109-10. [DOI: 10.1111/vde.12041] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/17/2013] [Indexed: 11/29/2022]
Affiliation(s)
| | - John M. Cullen
- Department of Population Health and Pathobiology; College of Veterinary Medicine; North Carolina State University; 1060 William Moore Drive; Raleigh; NC; 27607; USA
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Prélaud AR, der Lee AJV, Mueller RS, van Zeeland YRA, Bettenay S, Majzoub M, Zenker I, Hein J. Presumptive paraneoplastic exfoliative dermatitis in four domestic rabbits. Vet Rec 2013; 172:155. [DOI: 10.1136/vr.101226] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
| | - A. Jassies-van der Lee
- Department of Clinical Sciences of Companion Animals; Faculty of Veterinary Medicine; Utrecht University; Utrecht The Netherlands
| | - R. S. Mueller
- Centre for Clinical Veterinary Medicine; Ludwig-Maximilians-University Germany
| | - Y. R. A. van Zeeland
- Department of Clinical Sciences of Companion Animals; Faculty of Veterinary Medicine; Utrecht University; Utrecht The Netherlands
| | - S. Bettenay
- Tierdermatologie Deisenhofen; Deisenhofen Germany
| | - M. Majzoub
- Institute for Veterinary Pathology; Ludwig-Maximilians-University Munich Germany
| | - I. Zenker
- Tierärztliche Klinik für Kleintiere in Düsseldorf; Germany
| | - J. Hein
- Centre for Clinical Veterinary Medicine; Ludwig-Maximilians-University Germany
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Abstract
Cutaneous vasculitis is an inflammatory process targeting blood vessels. Underlying factors include drugs, infectious diseases, adverse reactions to food, malignancies, and immune-mediated diseases. Vasculitis is a reaction pattern warranting a workup to identify triggers. Presenting symptoms include purpura, pitting edema, and skin ulcerations. Constitutional signs include fever, depression, and anorexia and seem to be present in the majority of patients. Once a diagnosis is confirmed, treatment and follow-up must be tailored to the individual. High-dose immunosuppressive medications are only recommended once infectious diseases capable of producing a similar constellation of clinical signs have been ruled out.
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Affiliation(s)
- Marie Innerå
- Finnsnes Dyreklinikk, Postboks 228, Finnsnes 9305, Norway.
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Zanatta M, Bettini G, Scarpa F, Fiorelli F, Rubini G, Mininni AN, Capitani O. Nodular dermatofibrosis in a dog without a renal tumour or a mutation in the folliculin gene. J Comp Pathol 2012; 148:248-51. [PMID: 22871425 DOI: 10.1016/j.jcpa.2012.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2012] [Revised: 06/11/2012] [Accepted: 06/25/2012] [Indexed: 10/28/2022]
Abstract
Canine nodular dermatofibrosis is a rare skin disease associated with renal cystadenoma or cystadenocarcinoma and uncommonly with uterine leiomyoma. It is generally seen in German shepherd dogs, but has been also reported in other breeds, and a relationship has been suggested with mutation of the gene encoding folliculin (FLCN), which is located on chromosome 5. A 10-year-old female golden retriever was presented because of numerous firm cutaneous nodules up to 4 cm in diameter over the entire body surface. Cytological and histopathological examinations confirmed generalized cutaneous nodular dermatofibrosis, but ultrasonography of both kidneys ruled out renal neoplasia. Ovariohysterectomy was performed because of prolonged oestrus periods. Microscopical examination of the excised tissues confirmed the absence of uterine neoplasia, but identified rete adenoma of the right ovary. Abdominal ultrasound performed repeatedly over a 5-year follow-up period did not identify any alteration in the renal parenchyma. Molecular studies excluded the presence of any mutation in the FLCN gene.
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Affiliation(s)
- M Zanatta
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra 50, Ozzano Emilia, Italy.
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Antoniou E, Paraskeva P, Smyrnis A, Konstantopoulos K. Alopecia: a common paraneoplastic manifestation of cholangiocarcinoma in humans and animals. BMJ Case Rep 2012; 2012:bcr-2012-006217. [PMID: 22717934 DOI: 10.1136/bcr-2012-006217] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The coincidence of alopecia and a tumour may indicate the paraneoplastic nature of alopecia. Paraneoplastic alopecia is not uncommon in animals, feline paraneoplastic alopecia being the best example known. We present a case of alopecia coinciding with the presentation of a cholangiocarcinoma in a woman. Following surgical resection of the tumour, alopecia resolved spontaneously and it reappeared on local recurrence, 2 years later. As far as pathogenesis is concerned, the coincidence of alopecia and cholangiocarcinoma may indicate the paraneoplastic nature of alopecia as a rare complication of this rare tumour in humans. This also implies that common interspecies mechanism(s) must exist as far as this paraneoplastic complication is concerned.
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Affiliation(s)
- Efstathios Antoniou
- Second Teaching Department of Surgery, Athens University Medical School, Athens, Greece
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Linderman MJ, Brodsky EM, de Lorimier LP, Clifford CA, Post GS. Feline exocrine pancreatic carcinoma: a retrospective study of 34 cases. Vet Comp Oncol 2012; 11:208-18. [DOI: 10.1111/j.1476-5829.2012.00320.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- M. J. Linderman
- The Veterinary Oncology and Hematology Center; Norwalk; CT; USA
| | - E. M. Brodsky
- The Veterinary Oncology and Hematology Center; Norwalk; CT; USA
| | | | | | - G. S. Post
- The Veterinary Oncology and Hematology Center; Norwalk; CT; USA
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28
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Respiratory and Thoracic Medicine. THE CAT 2012. [PMCID: PMC7158197 DOI: 10.1016/b978-1-4377-0660-4.00030-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Mutz ML, Gieger TL, Parsons-Doherty MA, Gaschen L, Rademacher N. What is your diagnosis? Nodular dermatofibrosis. J Am Vet Med Assoc 2011; 239:431-2. [PMID: 21838578 DOI: 10.2460/javma.239.4.431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Melanie L Mutz
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA.
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31
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Gopinath D, Draffan D, Philbey AW, Bell R. Use of intralesional oestradiol concentration to identify a functional pulmonary metastasis of canine sertoli cell tumour. J Small Anim Pract 2008; 50:198-200. [PMID: 19037884 DOI: 10.1111/j.1748-5827.2008.00671.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A seven-year-old, 31 kg male neutered Labrador was investigated for signs of feminisation syndrome and prostatic disease four years after castration and removal of a testicular sertoli cell tumour (SCT). Investigations revealed an elevated serum oestradiol-17beta concentration, a pulmonary mass containing fluid high in oestradiol-17beta and cystic changes in the prostate gland. The pulmonary mass was surgically excised and histologically confirmed to be a SCT metastasis. To the authors' knowledge, this is the first reported case of a proven functional extranodal SCT metastasis and the first to be diagnosed by oestradiol-17beta measurement of intralesional fluid.
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Affiliation(s)
- D Gopinath
- University of Glasgow, 464 Bearsden Road, Bearsden, Glasgow G611QH, UK
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32
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Farias MRD, Cavalcante CZ, Werner J, Rocha NS, Sillas T. Síndrome do gucagonoma em cão. An Bras Dermatol 2008. [DOI: 10.1590/s0365-05962008000200008] [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
O eritema necrolítico migratório é rara dermatose caracterizada por lesões erodo-ulcerativas e crostosas em áreas intertriginosas, junções mucocutâneas, superfícies articulares e de apoio crônico, que tem sido descrita em seres humanos, cães, gatos e rinocerontes. Sua etiologia tem sido relacionada a neoplasias pancreáticas, mormente das células alfa produtoras de glucagon, e a graves doenças do parênquima hepático ou gastroentérico. Relata-se o caso de um cão com necrose epidérmica metabólica secundária a glucagonoma, que apresenta fortes similaridades com a síndrome do glucagonoma em humanos.
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Zitz JC, Birchard SJ, Couto GC, Samii VF, Weisbrode SE, Young GS. Results of excision of thymoma in cats and dogs: 20 cases (1984–2005). J Am Vet Med Assoc 2008; 232:1186-92. [DOI: 10.2460/javma.232.8.1186] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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34
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Marconato L, Bonfanti U, Fileccia I. Unusual dermatological toxicity of hydroxyurea in two dogs with spontaneously occurring tumours. J Small Anim Pract 2007; 48:514-7. [PMID: 17617162 DOI: 10.1111/j.1748-5827.2006.00301.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: 11/28/2022]
Abstract
Hydroxyurea is a chemotherapeutic agent used to treat hypereosinophilic syndrome, mast cell tumours and many myeloproliferative disorders. It is usually well tolerated; however, reported side effects include myelosuppression and gastrointestinal complications as well as cutaneous toxicity, in very rare cases. We report the unusual appearance of onychomadesis involving several claws on all feet in two canine patients receiving long-term hydroxyurea treatment. The healing of nail lesions required cessation of treatment in one dog and dose reduction in the second animal, supporting a strict relationship between onychopathy and administration of hydroxyurea. The aim of this case report is to increase clinical awareness of dermatological toxicity associated with long-term administration of hydroxyurea.
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Affiliation(s)
- L Marconato
- Clinica Veterinaria L'Arca, Vico Cacciottoli 46/47, 80129 Naples, Italy
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35
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Marconato L, Albanese F, Viacava P, Marchetti V, Abramo F. Paraneoplastic alopecia associated with hepatocellular carcinoma in a cat. Vet Dermatol 2007; 18:267-71. [PMID: 17610493 DOI: 10.1111/j.1365-3164.2007.00595.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A 15-year-old spayed female domestic shorthair cat presented with alopecia associated with hepatocellular carcinoma. Clinical signs, which had commenced 6 months previously, included loss of appetite, loss of weight, and depression. As reported by the owner, the cat developed alopecia a week before referral. The hair loss was localized to the ventral aspect of the thorax and abdomen, medial aspect of front and hind limbs, and ventral aspect of the tail, and was associated with histological features consistent with paraneoplastic alopecia. At necropsy, multiple hepatic nodules were observed, and subsequent histopathological investigation showed cords and sheets of hepatocyte-like neoplastic cells positive for the hepatocyte marker (Hep Par 1), thereby demonstrating the hepatocellular origin of the tumour, which was diagnosed as a hepatocellular carcinoma. This is the first report of feline paraneoplastic alopecia associated with hepatocellular carcinoma confirmed by the Hep Par 1 marker.
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Abstract
A retrospective study of 91 dogs with pemphigus foliaceus was performed. Clinical signs of the disease included crusts (n=79), pustules (n=36), and alopecia (n=33). Lesions were most common on the trunk (n=53), inner pinnae (n=46), face (n=37), and foot pads (n=32). Cytological evaluation revealed acantholytic keratinocytes in 37 of 48 dogs. Results of combination treatment with prednisolone and azathioprine were comparable to results with prednisolone therapy alone. More than half of the dogs achieved remission with appropriate therapy, and another 25% significantly improved.
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Affiliation(s)
- Ralf S Mueller
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado 80523, USA
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37
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Guaguère E, Hubert T, Muller A. Manifestations cutanées des maladies internes du chien. EMC - VÉTÉRINAIRE 2005. [PMCID: PMC7148685 DOI: 10.1016/j.emcvet.2005.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Les manifestations cutanées des maladies internes commencent à être bien connues chez le chien, même si leur étiologie et leur pathogénie ne sont pas toujours élucidées. Elles sont d'une très grande diversité clinique et en relation avec des maladies internes variées. Leur connaissance est importante car ces lésions cutanées entrent dans de nombreux diagnostics différentiels et apparaissent, pour certaines, précocement avant les symptômes de la maladie interne sous-jacente. Enfin, certaines de ces manifestations cutanées constituent des syndromes paranéoplasiques cutanés. Sont envisagées la dermatofibrose nodulaire, l'érythème nécrolytique migrant, la dermatomyosite, les calcinoses, les amyloses, les xanthomes cutanés, le syndrome d'automutilation podale et le syndrome syringomyélie.
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38
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Abstract
A 5-year-old rabbit with generalized scaling is presented. Multiple skin scrapings and acetate tape impressions were negative for mites and Malassezia. Culture for dermatophytes was also negative. Skin biopsies showed similarities with sebaceous adenitis described in rabbits (absence of sebaceous glands, perifollicular lymphocytic infiltrate at the level of the absent sebaceous glands, lymphocytic mural folliculitis, interface dermatitis). The owners refused any treatment and 2 months later the rabbit was euthanized due to anorexia. At necropsy a mass was found in the anterior mediastinum. Histopathology confirmed a diagnosis of thymoma. A possible paraneoplastic skin disease was suspected, based on similarities with thymoma-associated exfoliative dermatitis in cats.
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Affiliation(s)
- Koenraad Florizoone
- Small Animal Practice Het Binnenhof, Bisschopslaan 68, B-2340 Beerse, Belgium.
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39
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Abstract
Earlier detection allows earlier intervention, and thus improved treatment success. Senior profiling improves anesthetic safety by identifying hidden existing diseases and permitting the postponement of anesthesia or altering the anesthetic plan. Furthermore, pharmaceutic safety is increased through the detection of underlying diseases that may preclude the use of certain drugs or suggest new alternative treatments. Many dietary recommendations are based on disease diagnosis, making senior profiling an important dietary database. Finally, earlier disease management by means of improved anesthetic, pharmaceutic, and dietary recommendations offers our patients and clients the best medical management possible.
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Affiliation(s)
- Fred L Metzger
- Metzger Animal Hospital, 1044 Benner Pike, State College, PA 16801, USA.
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