Intracranial Granular Cell Tumours in Three Dogs: Atypical Magnetic Resonance Imaging Features and Immunohistochemical Study.

brain dog granular cell tumour immunohistochemistry magnetic resonance imaging

Journal

Veterinary sciences
ISSN: 2306-7381
Titre abrégé: Vet Sci
Pays: Switzerland
ID NLM: 101680127

Informations de publication

Date de publication:
09 Feb 2023
Historique:
received: 17 01 2023
revised: 06 02 2023
accepted: 07 02 2023
entrez: 28 2 2023
pubmed: 1 3 2023
medline: 1 3 2023
Statut: epublish

Résumé

Intracranial granular cell tumours (GCT) are uncommon neoplasms of uncertain cellular origin that are rarely reported in dogs. This case series describes three aged dogs that presented with neurological signs in which magnetic resonance (MR) imaging revealed plaquelike extra-axial lesions that were hypointense on T2-weighted (T2w) images. The surgical biopsy of the lesions and necropsies were followed by histochemical characterisation with periodic acid-Schiff (PAS) staining and immunohistochemistry with ubiquitin, S-100, and SOX-10 to elucidate the cellular origin. The immunohistochemical study indicated that these intracranial GCTs were not of Schwann cell origin. In conclusion, GCTs should be considered a differential diagnosis of intracranial, extra-axial hypointense brain lesions on T2w MR images.

Identifiants

pubmed: 36851438
pii: vetsci10020134
doi: 10.3390/vetsci10020134
pmc: PMC9962801
pii:
doi:

Types de publication

Case Reports

Langues

eng

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Auteurs

Clàudia Mayor (C)

Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.
Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.

Judit Verdés (J)

Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.
Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.

Jaume Alomar (J)

Servei de Diagnòstic de Patologia Veterinària, Departament de Sanitat i Anatomia d'Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.

Rosa Novellas (R)

Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.
Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.

Martí Pumarola (M)

Unitat de Patologia Murina i Comparada, Departament de Sanitat i Anatomia d'Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.

Sònia Añor (S)

Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.
Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain.

Classifications MeSH