Peer-reviewed veterinary case report
CT shows dog head swelling after trauma with mineralized edges
By Nowak, Ava et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2021·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Canine calvarial subperiosteal hematomas are fluid to soft tissue attenuating mass-like lesions with smoothly marginated peripheral mineralization on CT.
- Species:
- dog
Plain-English summary
A dog with a head injury developed a noticeable swelling on its skull that got bigger over a few weeks. After a CT scan, the vet found that the swelling was a subperiosteal hematoma, which is a collection of blood between the skull and the tissue covering it. In some cases, the diagnosis was confirmed through further testing. The findings suggest that if your dog has a similar swelling after a head trauma, a subperiosteal hematoma should be considered as a possible cause. Treatment options may vary, so it's important to discuss this with your veterinarian.
People also search for: dog head injury swelling · dog skull lump after trauma · subperiosteal hematoma in dogs
Abstract
Subperiosteal hematomas are accumulations of blood between a bone and the periosteum leading to elevation of the periosteum. When ossified they have a mineralized outer rim. For this retrospective, multi-institutional case series, medical records were searched to identify dogs that underwent CT for focal calvarial swellings noted acutely after trauma. A total of four dogs were included. Computed tomography images were reviewed for each case. The focal swellings had progressed in size during the weeks after the head trauma until the time of imaging. Findings in all cases included a fluid to soft tissue attenuating mass-like lesion with smoothly marginated peripheral mineralization. Diagnosis was confirmed in two cases by cytology and/or histopathology. Therefore, authors recommend that subperiosteal hematoma be included in the differential diagnosis list for dogs with these clinical and CT characteristics. Based on our review of the literature, this is the first report to describe the CT features of calvarial subperiosteal hematomas in dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/33047852/