Imaging

Vetomica Imaging · CT · Head

The skull in CT, slice by slice.

Real CT scans you scroll through in three planes. Start with normal skulls of four head shapes and a cat, then a head-trauma case beside them.

Head trauma, Yorkshire Terrier

Depressed fractures of the frontal and parietal bones, a large scalp haematoma, and a left cerebral contusion, eleven days after injury. Switch to the brain window to see the contusion, the bone window for the fractures.

DorsalVentralRightLeft
Slice 61 of 120 · 100.2 mm

Normal skulls

Dry skulls, so bone only. Head shape changes almost everything you measure on a head CT: compare a brachycephalic Pug with a dolichocephalic Greyhound before reading any one dog.

Yorkshire Terriersmall, rounded skull
DorsalVentralRightLeft
Slice 61 of 120 · 55.8 mm
Beaglemesocephalic
DorsalVentralRightLeft
Slice 61 of 120 · 90.6 mm
Pugbrachycephalic
DorsalVentralRightLeft
Slice 61 of 120 · 60.0 mm
Greyhounddolichocephalic
DorsalVentralRightLeft
Slice 61 of 120 · 102.0 mm
European Shorthairfeline
DorsalVentralRightLeft
Slice 61 of 120 · 46.2 mm

Skulls: Czeibert K. et al. (2024), High-resolution computed tomographic image series from 413 canid and 18 felid skulls, Scientific Data. CC0. Dataset.

Trauma case: CT and MRI scan of a 2-year-old male Yorkshire Terrier, Figshare. CC BY 4.0. Dataset.

Converted to web images. The trauma CT was reconstructed for bone; its brain and soft-tissue views are smoothed and centred on this scanner's measured brain values so the soft tissue can be read. For learning: not a diagnostic service.

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