COMPUTED TOMOGRAPHIC FEATURES OF INCISOR PSEUDO‐ODONTOMAS IN PRAIRIE DOGS (<i>CYNOMYS LUDOVICIANUS</i>)

Pelizzone, Igor; Ianni, Francesco Di; Volta, Antonella; Gnudi, Giacomo; Manfredi, S.; Bertocchi, Mara; Parmigiani, Enrico

doi:10.1111/vru.12475

Cited by 9 publications

(7 citation statements)

References 22 publications

(65 reference statements)

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“…The second type is called complex odontoma (odontoma completum), which is a chaotic mass of hard and soft tissue of the tooth that shows no morphological resemblance to a properly formed tooth (13,16,17). Variations of this type have so far been described for many animal species including: dogs, cats, voles, (18) squirrels (19), prairie dogs (20,21,22), mouse (23,24), rats (25), degus (26), guinea pigs (27). However due to different structure of brachydontic and elodontic rodent teeth a different name has been proposed in the literature for the change histologically resembling the odontoma of anelodontic teeth.…”

Section: Discussionmentioning

confidence: 99%

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Histological characteristics of macrodontic cheek teeth of the guinea pig

Ignaszak-Dziech¹,

Kuropka

Piasecki

2022

Preprint

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Macrodontia is the enlargement of tooth dimensions of different ethology. The work aims to show a histological picture of macrodontic teeth in guinea pigs. The material was obtained from animals post mortem. 90 structural changes derived from 24 guinea pigs were evaluated. All teeth used in the study showed macrodontic changes. The samples were decalcified, dehydrated and embedded in paraffin. Material was cutted in the transverse and longitudinal plane in relation to the alveolar bone. Histological evaluation included apical bud cells, pulp cavity cells, periodontium, dentin, enamel, cementum and alveolar bone tissue. Individual elements were evaluated in respect of morphology and distribution. Moreover, the arrangement of the individual hard tooth structures was assessed on the teeth. No atypia of the cells that make up the apical bud as well as pulp and periodontal cavity was found. Displacement of periodontal cells or odontoblasts towards pulp cavity as well as disorganization of the cell system in the pulp cavity were observed. Changes in the dentine ligaments and the reconstruction of the alveolar bone were also observed in areas where dentine and cement systems were affected. It was observed on dental slides that the enamel is also involved in structural remodeling of the pulp cavity. Histological assessment led to the finding that structural changes in macrodontic teeth are made up of re-arranged typical tooth tissues.

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Section: Discussionmentioning

confidence: 99%

“…The alterations were built of predentin, dentin and cementum and the arrangement of this tissues was disordered similar to macrodontia of guinea pig. (20) Dayanet al described a case of complex odontoma in mice. Histological examination revealed the alteration built, as in previous cases, of enamel, dentin, cementum and connective tissue.…”

Section: Discussionmentioning

confidence: 99%

Histological characteristics of macrodontic cheek teeth of the guinea pig

Ignaszak-Dziech¹,

Kuropka

Piasecki

2022

Preprint

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“…Diagnostic imaging techniques are useful tools for the examination of reptiles [ 24 ]. In particular, CT is a noninvasive, cross-sectional diagnostic imaging technique that offers significant advantages for the detection of pathologies in small animal practice and indeed in the exotic animal field [ 25 ]. CT is ideal for diagnosing skeletal diseases and pathologic processes involving soft tissues [ 24 ].…”

Section: Discussionmentioning

confidence: 99%

Klebsiella sp.-related infectious spondylitis in a bearded dragon (Pogona vitticeps)

Vetere¹,

Bertocchi

Pelizzone³

et al. 2021

BMC Vet Res

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Background Spondylitis is an inflammation of the vertebrae that leads to a destructive process with exuberant new bone formation. Osteomyelitis can produce a distortion of the bone architecture, degenerative joint changes and ankyloses of adjacent vertebrae. In reptiles, intervertebral discs are absent, so the term discospondylitis is not used. In lizards, vertebral lesions have not been well studied. The present paper describes the first case of Klebsiella sp.-related spondylitis in a pet lizard (Pogona vitticeps). Case presentation A 2-year-old, female bearded dragon (Pogona vitticeps) was presented for clinical examination due to a decreased activity level, decreased appetite and constipation. Blood tests showed no remarkable alterations. The haemogram showed normal parameters with relative lymphocytosis, although the absolute number of lymphocytes did not differ from the reference values. A computed tomography scan revealed a mixed osteolytic-proliferative bone lesion diffusing to the first and last tracts of the pre-sacral vertebrae together. A small amount of material obtained from the spinal swelling was sampled with an aseptic technique for bacterial culture, which was positive for Klebsiella sp. The antibiogram revealed sensitivity to enrofloxacin, marbofloxacin, and chloramphenicol and intermediate sensitivity to gentamicin. Complete return to spontaneous feeding was achieved 15 days after the beginning of antibiotic and anti-inflammatory therapy. Conclusions In veterinary medicine, spondylitis represents a well-known disease in small companion animals. In mammals, the most common aetiologic agents are fungi and bacteria. Antibiotic therapy was set based on the antibiogram, and marbofloxacin was chosen at a dosage of 10 mg/kg subcutaneously (SC) once per day (SID). After only 7 days of antibiotic therapy, the clinical condition improved significantly; the patient started feeding and drinking spontaneously and gained weight. This case should remind clinicians of the importance of always performing antibiograms before choosing any antibiotic therapy. Considering reptiles, there have been few papers about spinal diseases, mostly regarding snakes and a few about Iguana iguana. Relative to other species of saurians, the literature remains lacking.

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“…With exotic animals it is not uncommon to encounter to encounter diseases due to wrong management, for example due to an improper diet [28,29]. Phytotherapy is undoubtedly becoming a more and more common practice, not only for personal care but also for pet care.…”

Section: Discussionmentioning

confidence: 99%

Acute tea tree oil intoxication in a pet cockatiel (Nymphicus hollandicus): a case report

Vetere¹,

Bertocchi

Pelizzone

et al. 2020

BMC Vet Res

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Background: Phytotherapy is becoming a more and more common practice, not only for personal care but also for pet care. Nevertheless, we often have to deal with substances on which, in most cases, very little literature is available, even more so if the species of interest are the exotic ones. In particular, the essential oil from the Melaleuca leaves, because of its antinflammatory and antibacterial properties, is widely used and very little is known about its potential toxicity on pet birds. The present paper describes the first case of Tea tree oil intoxication in a pet bird. Case presentation: A one-year-old, 80 g male cockatiel (Nymphicus hollandicus) was presented for clinical examination due to a serious despondency episode after the application of 3 drops of tea tree oil (Melaleuca alternifoglia) directly on the cutis of its right wing. The subject was urgently hospitalized and blood tests were performed.Serum biochemical values showed severe liver damage and slight renal involvement, complete blood count (CBC) parameters indicated a moderate neutrophilia a moderate neutropenia. Warm subcutaneous fluids and vitamin (VIT) B12 were administered, and after 8 h of fluid therapy the clinical condition of the patient improved. The subject was discharged after 48 h of hospitalization, in stable conditions. Conclusions: Toxicosis are relatively common in bird pets and a number of cases are reported in literature, concerning heavy metals intoxications and toxic plants ingestion. However, in literature there are no described cases regarding Melaleuca oil intoxication in pet birds, but it has been reported in humans (mainly by ingestion) as well as in dogs, cats and rats. We hope that this first case report can be an initial aid in the knowledge of this potential toxicosis and therefore in the clinical veterinary practice of pet birds.

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COMPUTED TOMOGRAPHIC FEATURES OF INCISOR PSEUDO‐ODONTOMAS IN PRAIRIE DOGS (CYNOMYS LUDOVICIANUS)

Cited by 9 publications

References 22 publications

Histological characteristics of macrodontic cheek teeth of the guinea pig

Histological characteristics of macrodontic cheek teeth of the guinea pig

Klebsiella sp.-related infectious spondylitis in a bearded dragon (Pogona vitticeps)

Acute tea tree oil intoxication in a pet cockatiel (Nymphicus hollandicus): a case report

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