Ventral cervical subcutaneous Aspergillus species fungal granuloma in a cat

Author:

Bartels Courtney12ORCID,Alvarez-Sanchez Alejandro1,Ranganathan Bharadhwaj12,O’Neill T William34,Townsend Katy L1ORCID

Affiliation:

1. Department of Clinical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, USA

2. Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, MI, USA

3. Oregon Veterinary Diagnostic Laboratory, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, USA

4. Digital Pathology, Charles River Laboratories, Ashland, OH, USA

Abstract

Case summary An 8-year-old domestic longhair cat was evaluated for a right ventral subcutaneous cervical mass. Serial bloodwork and contrast-enhanced cranial and thoracic CT initially lacked ethmoturbinate lysis and showed a progressive, vascularized, right ventral cervical mass involving local lymph nodes. The mass was removed surgically on two occasions. Histopathology and fungal culture were diagnostic for a recurring sclerosing fungal granuloma and pyogranulomatous and eosinophilic lymphadenitis, consistent with Aspergillus species. The cat was treated with oral itraconazole; however, owing to the owner’s non-compliance in administering the medication and disease progression, the cat was humanely euthanized 3 years after diagnosis. Relevance and novel information The development of a cervical subcutaneous fungal granuloma of Aspergillus species in a domestic longhair cat before obvious maxillary, orbital or ethmoturbinate lysis on initial diagnostics is rare and suggests an early onset of lymphatic or hematogenous spread from a suspected nidus of infection within the sinonasal cavity.

Publisher

SAGE Publications

Subject

Small Animals

Reference19 articles.

1. Sykes J. Canine and feline infectious diseases. St Louis, MO: Elsevier Saunders, 2014.

2. Aspergillosis in Cats

3. Feline Aspergillosis

4. Aspergillusotitis in small animals - a retrospective study of 17 cases

5. Aspergillus Species Cystitis in a Cat

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