IDEXX Diagnostic Challenge: Cat with Enlarged Mesenteric Lymph Node

A 17-year-old cat presented with a history of weight loss. On ultrasound there was a moderately enlarged, hypoechoic and rounded caudal mesenteric lymph node. The only other significant finding was mild degenerative changes to the kidneys. Fine needle aspirate samples for cytology were collected from the mesenteric lymph node. What is Your Interpretation of the Cytology?  Below are images of lymph node cytology. What is your interpretation? Figure 1. Lymph node cytology. 100x objective.

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Radiology View: What’s Your Read? Six-month-old Dog with Neck Pain

Radiology View: What’s Your Read? Patient Presentation  A six-month-old intact male terrier mix presented for pain on neck manipulation. View the radiographs (figure 1 and figure 2) below and consider the following questions: What are your radiographic findings? What is your diagnosis? Figure 1. Lateral radiograph of the spine from a six-month-old intact male terrier mix with neck pain.   Figure 2. Ventrodorsal radiograph of the spine from a six-month-old intact male terrier…

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Lyme Disease: Tips for Treating Positive Dogs

Lyme Disease: Tips for Treating Positive Dogs Most dogs and cats seropositive for Borrelia burdorferi (Bb) seroconvert (i.e. develop antibodies) but show no clinical signs. Cats exposed experimentally show no clinical signs (CS) even after second exposure and overall it is unknown if cats develop CS of Lyme Borreliosis (LB). The two most common forms of LB include Lyme arthritis and Lyme nephritis.  Signs of Lyme arthritis, seen in a small subset of infected dogs,…

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IDEXX Diagnostic Challenge: Dog with Vague GI Signs

This is abdominal fluid from an 8-year-old male neutered, medium sized, mixed breed dog. The dog presented with vague gastrointestinal (GI) signs of vomiting and inappetence. Imaging studies showed the presence of free abdominal fluid. Approximately 5 ml of fluid was collected and submitted for cytologic exam. What is Your Interpretation of the Cytology? The sediment slide was stained with Wright’s stain(figures 1 – 5) and was directed to a clinical pathologist for review.  What…

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Treatment Options for Benign Esophageal Strictures in Dogs and Cats

Benign esophageal strictures in dogs and cats are uncommon. They most often arise secondary to esophagitis and are usually associated with gastroesophageal reflux during anesthesia or vomiting of gastric contents. Benign esophageal strictures also occur secondary to esophageal foreign body or other traumatic event to the esophagus.  Stricture formation occurs when inflammation extends into the submucosal and muscular layers of the esophagus and stimulates production of fibrous connective tissue. [1] Stricture formation results in frequent…

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