Blog

Sep 26, 2019

Cutaneous Histiocytoma

Aspirate from a 1cm, circular, raised, pink dermal mass on the pinna of a 3-year-old spayed female Bull terrier. The mass has been present for 1-2 weeks and has grown a slightly. The image consists...

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Feb 28, 2019

Cryptococcus

Aspirate from a kidney nodule of a 2-year- old spayed female domestic shorthair feline.  The presenting complaint was weight loss and PU/PD.  Blood work revealed moderate azotemia.  On ultrasound, the kidneys were bilaterally enlarged with...

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Nov 29, 2018

Histiocytic Sarcoma

Aspirate from an abdominal mass of a 5-year-old spayed female Shetland Sheepdog. The presenting complaint was anorexia and vomiting for 1.5 weeks. An abdominal radiograph suggested a possible mid-abdominal mass. On ultrasound, a mixed echogenicity...

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Nov 1, 2018

Mast Cell Staining Variabilities

An 11-year-old spayed female Boston Terrier had a mass removed two months ago, but it was not submitted for histopathologic evaluation. Just caudal to the scar from the previous surgery, a large soft mass is...

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Oct 23, 2018

Leishmania

Aspirate from the spleen of a 9-year-old female Miniature Schnauzer. The presenting complaint was intermittent hematochezia. Laboratory findings revealed anemia, thrombocytopenia, hypoalbuminemia, and hyperglobulinemia. The spleen was aspirated and submitted for evaluation. This image of...

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Sep 19, 2018

Multiple Myeloma

Aspirate from the spleen of a 9-year-old neutered male Labrador. On ultrasound, the spleen appeared heterogeneous with focal hypoechoic nodules. Laboratory findings revealed a mild anemia, mildly increased liver enzymes, and a serum globulin concentration...

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Feb 1, 2017

Lytic Proximal Humoral Mass Aspirate From A Dog

The image consists of several large spindle to irregularly-shaped cells (osteoblasts) with an abundant amount of lightly to moderately basophilic cytoplasm that, contains many fine pink granules. The nucleus is large, round to oval, and...

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Feb 1, 2017

Solitary Lung Mass Aspirate From A Dog

The image consists of several clusters of polygonal epithelial cells with a small amount of lightly basophilic cytoplasm and a large round to oval nucleus with coarsely stippled chromatin. Anisokaryosis is moderate. The diagnosis is...

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Feb 1, 2017

Lymph Node Aspirate From A Dog

The image consists of many large immature lymphocytes with large prominent nucleoli. Many lymphoglandular bodies (cytoplasmic fragments) and many free nuclei are also present. The diagnosis is high-grade lymphoma....

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