CT identifies pulmonary cryptococcosis in a domestic feline

Abstract

A domestic cat was presented for lethargy and coughing. Thoracic radiographs identified a mass within the right cranial lung lobe and a nodule in the left cranial lung lobe. Cryptococcus spp.was diagnosed via ultrasound-guided fine needle aspirate cytology. Despite fluconazole and prednisolone treatment, clinical signs progressed and suggested airway obstruction. Computed tomography revealed mass invasion into the trachea and other areas of the lower airway resulting in obstruction. Bronchoscopy was performed to debulk the tracheal mass and obtain biopsies.Histopathology confirmed Cryptococcus spp. At the time of this report, the patient remained clinically stable with daily itraconazole (5 mg/kg) treatment.

Computed tomography findings in poxvirus pneumonia in a cat

“…Other infectious agents (not commonly associated with pulmonary mass-like lesions), such a Cryptococcus spp., have been found behaving as a pulmonary mass on CT, also occluding the main bronchus in a domestic cat. 16 None of these alternative conditions are considered likely in this patient, based on initial diagnostic findings and the total resolution of the lesions without specific treatment.…”

“…Other infectious agents (not commonly associated with pulmonary mass‐like lesions), such a Cryptococcus spp., have been found behaving as a pulmonary mass on CT, also occluding the main bronchus in a domestic cat 16 …”

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