Atypical sphenoid bone osteomyelitis in a maltanese dog caused by cryptococcosis: a case report

Kwiatkowska, Magdalena; Pomianowski, A.; Adamiak, Z.; Otrocka-Domagała, Iwona; Widawski, Tomasz; Pazdzior, K.

doi:10.17221/4440-vetmed

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…12 A single case report of a dog with changes in the sphenoid bones detected on MRI confirmed to be related to cryptococcosis. 13 Imaging findings associated with cranial neoplasia have been described in dogs, including squamous cell carcinoma, chondrosarcoma and a disseminated mast cell tumour. [14][15][16] The response to treatment ruled out cryptococcosis and neoplasia.…”

Section: Discussionmentioning

confidence: 99%

“…The CT imaging findings of calvarial osteomyelitis have been described in a series of four dogs, all of which had a history of bite wounds or trauma 12 . A single case report of a dog with changes in the sphenoid bones detected on MRI confirmed to be related to cryptococcosis 13 . Imaging findings associated with cranial neoplasia have been described in dogs, including squamous cell carcinoma, chondrosarcoma and a disseminated mast cell tumour 14–16 …”

Section: Discussionmentioning

confidence: 99%

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Blindness associated with presumed bilateral optic neuritis and sphenoid bone osteomyelitis in a dog with leishmaniosis

Safrany

Rushton

Barthez³

et al. 2023

Vet Record Case Reports

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Leishmaniosis is an uncommon, non‐endemic disease of dogs in the United Kingdom, associated with a range of clinical signs. An 11‐month‐old, neutered, female crossbreed recently imported from Macedonia was presented for evaluation of progressive weight loss, lameness and acute vision loss. Joint effusions, bilateral exophthalmos, deficits in menace response and pupillary light reflex were detected. The dog was serologically diagnosed with leishmaniosis. Computed tomography imaging was consistent with osteomyelitis of the sphenoid bones, with associated meningeal enhancement. The dog demonstrated an excellent clinical response to treatment with meglumine antimoniate, allopurinol and amoxicillin‐clavulanic acid, regaining vision within 30 days. This case is the first to report leishmaniosis‐related osteomyelitis of the sphenoid bones resulting in blindness and describes the imaging findings and response to treatment.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Blindness associated with presumed bilateral optic neuritis and sphenoid bone osteomyelitis in a dog with leishmaniosis

Safrany

Rushton

Barthez³

et al. 2023

Vet Record Case Reports

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Cryptococcus neoformans var. grubii-Induced Arthritis with Encephalitic Dissemination in a Dog and Review of Published Literature

et al. 2016

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This article describes the clinical, pathological, and immunohistochemical findings associated with Cryptococcus neoformans var. grubii in a 4-year-old female Boxer dog from Uberlândia, Minas Gerais, Southeastern Brazil. Clinically, there was a swelling at the right metatarsal region and the hock joint with enlargement of regional lymph nodes. Radiographical evaluation revealed lysis of the tarsal bone; cytology demonstrated cryptococcal intralesional organisms at the swollen joint. Despite empirical antifungals therapeutic, the animal developed neurological cryptococcosis and died spontaneously. Significant pathological alterations included arthritis, lymphadenitis, and encephalitic cryptococcomas associated with numerous intralesional narrow-necked budding encapsulated yeasts. Immunohistochemistry utilising monoclonal antibodies that label C. neoformans sp. complex capsule, characterised the yeasts as C. neoformans var. grubii. Collectively, the pathological and immunohistochemical findings of this dog indicate that the intralesional organisms observed within the articular surface of the hock joint, lymph nodes, and the brain were C. neoformans var. grubii, confirming the participation of this fungal pathogen in the development of cryptococcal arthritis. In this case, the most likely pathogenesis was percutaneous inoculation with resultant abscess-like lesion, which resulted in the draining sinus, swelling of the right hind limb with progression to the articular disease. Thereafter, the fungal pathogen probably compromised the adjacent lymph nodes with subsequent haematogenous distribution to the brain, terminating with cryptococcal arthritis, lymphadenitis, and encephalitis.

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Méningoencéphalomyélite à Cryptococcus neoformans chez un Berger allemand

Véran¹,

Gallay-Lepoutre²

2020

Revue Vétérinaire Clinique

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Atypical sphenoid bone osteomyelitis in a maltanese dog caused by cryptococcosis: a case report

Cited by 4 publications

References 11 publications

Blindness associated with presumed bilateral optic neuritis and sphenoid bone osteomyelitis in a dog with leishmaniosis

Blindness associated with presumed bilateral optic neuritis and sphenoid bone osteomyelitis in a dog with leishmaniosis

Cryptococcus neoformans var. grubii-Induced Arthritis with Encephalitic Dissemination in a Dog and Review of Published Literature

Méningoencéphalomyélite à Cryptococcus neoformans chez un Berger allemand

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