Caudodorsal parenchymal pattern (CDP)

Screenshot 2023-08-23 at 10.20.52Screenshot 2023-08-23 at 10.25.52

  • View:
    Lateral and VD

  • Defining characteristics:
    An abnormal test correlates with the presence of an increased opacity within the caudodorsal region of the lungs (right caudal lung lobe, accessory lung lobe, and/or left caudal lung lobe), likely representative of an interstitial and/or alveolar pattern.

    Screenshot 2023-08-23 at 10.28.41
  • Common differential diagnoses:
    Pulmonary edema, pneumonia (aspiration vs bacterial/fungal), pulmonary hemorrhage/contusion, atelectasis, neoplasia

  • Helpful additional data:
    If LAE is also present, then most commonly in CHF. Has the patient been coughing? Has there been any vomiting or regurgitation? Has there been exposure to rodenticide? Was the patient recently anesthetized? is the Patient recumbent?

  • Commonly associated diagnostics:
    Consider thoracic ultrasound, consider *SignalCare MDB

  • Commonly associated treatments:
    Based on *SignalCare MDB and physical exam findings, discuss diuretic and cardiac tx vs antibiotic therapy, +/- oxygen therapy, or other

  • Commonly associated home care:
    Depending on the cause, monitor for increased respiratory effort and labored breathing


*SignalCare MDB = CBC/Chemistry/Urinalysis/Thoracic ultrasound/Abdominal ultrasound