Case summary: A 6-month-old domestic shorthair cat was evaluated for proprioceptive ataxia of the pelvic limbs. Over 2 months, the cat became poorly ambulatory, paraparetic with proprioceptive ataxia and developed a firm, distended bladder with intermittent overflow urinary incontinence. Block...

The present report describes a case of conjoined twins of the cephalo-thoraco-omphalopagus deradelphous type in cats. A feline female was transferred to our veterinary hospital as an emergency for dystocic labor. The stillborn was subjected to radiographic evaluation, and a single skull and two...

A seven-year-old Miniature Schnauzer and a 16-month-old Domestic shorthair with clinical features of disproportionate dwarfism, presented with progressive thoracolumbar and cervical myelopathies, respectively. CT and MR imaging were performed in both patients revealing multiple thoracolumbar...

The aim of this study is to evaluate the diagnostic accuracy of VHS (Vertebral Heart Scale) and other radiographic indexes in diagnosing heart diseases in cats. 107 cats with a complete echocardiographic examination that also underwent radiography including at least two screenings were selected....

Spina bifida is a congenital bone malformation with incomplete closure of the dorsal vertebral arches, which may occur in association with protrusion of the meninges, spinal cord and meninges due to vertebral defect. Possible triggering phenomena refers to cell hyperplasia tube affecting the dorsal ...

The transitional vertebra is a congenital anomaly characterized by a vertebra that assumes anatomical characteristics of another vertebra in the adjacent region and occurs at the cervicothoracic, thoracolumbar, lumbosacral, and sacrococcygeal junctions. It is the most common congenital anomaly in...

Background: The reduced cost and improved efficiency of whole genome sequencing (WGS) is drastically improving the development of cats as biomedical models. Persian cats are models for Leber's congenital amaurosis (LCA), the most severe and earliest onset form of visual impairment in humans. Cats...

Pectus excavatum (PE) is an uncommon, congenital thoracic wall deformity that has been previously documented in a variety of species. Most of the time, the preferred treatment modality is surgical. External and internal splints may also be used according to the age of the patient and pliability of...

A 3 year old, female spayed Manx cat was presented for a 5 day duration of straining to defecate with vocalization. A pelvic canal mass could be palpated during rectal exam. A soft tissue opacity mass superimposed within the pelvic canal, resulted in a ventral displacement of the rectum, with ...

This issue contains articles on the clinical signs, diagnosis and treatment of congenital abnormalities of the skull, spine and central nervous system of cats and dogs.