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April 3, 2024Veterinary Radiology & UltrasoundOpen Access

Malignant melanoma and lymph node metastases appearing as hyperattenuating masses on computed tomography in a dog

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Authors

LLL. van der LaanOnderstepoort Veterinary Academic HospitalCRC. RouxOnderstepoort Veterinary Academic Hospital

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Implication

Case report demonstrates hyperattenuating malignant melanoma masses on computed tomography in a dog, suggesting melanin content causes this presentation.

Key Points

  • Precontrast hyperattenuating masses within facial subcutaneous tissue and mandibular lymph nodes revealed malignant melanoma with regional lymph node metastasis.
  • Computed tomography evaluation of a 16-year-old dog showed heterogenous precontrast hyperattenuation, marked contrast uptake, and regional nodal enlargement.
  • Highlights that intracellular melanin content likely drives atypical hyperattenuation on computed tomography, marking the first documented veterinary melanoma report.

Cite This Study

Laan et al. (2024) studied this question.

synapsesocial.com/papers/68e70a05b6db643587683b7ehttps://doi.org/10.1111/vru.13366
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