# Case Report: Surgical management of a meningomyelocele in a cat

**Authors:** Kelly M. Muller, Zoe S. Daniels, Daniel M. Cimino, Jillian V. Hennessey

PMC · DOI: 10.3389/fvets.2026.1776519 · Frontiers in Veterinary Science · 2026-02-20

## TL;DR

A cat with a rare spinal condition called meningomyelocele was surgically treated, marking the first reported case in a non-ambulatory cat.

## Contribution

This is the first documented case of surgical management of a meningomyelocele in a non-ambulatory cat.

## Key findings

- Magnetic resonance imaging confirmed spina bifida and meningomyelocele at the L5 vertebra in a cat.
- Surgical decompression via dorsal laminectomy was performed and confirmed by histopathology.
- Postoperative outcomes included improved comfort but no return of ambulation or continence.

## Abstract

A 2. 5-year-old domestic shorthair cat was presented for evaluation of chronic progressive paraparesis and urinary incontinence characterized by leaking small amounts of urine and incomplete bladder emptying. General physical examination revealed a subcutaneous mass over the L4/L5 spinous process that was painful on palpation. Neurologic examination revealed non-ambulatory paraparesis with intact spinal reflexes, intact deep pain perception, and marked pelvic limb muscle atrophy. Magnetic resonance imaging showed a well-circumscribed tract extending from the epidermis through a split L5 spinous process to the level of the dorsal meninges with associated dorsal deviation of the spinal cord. These findings were consistent with spina bifida at L5 and an associated meningomyelocele. A dorsal laminectomy was performed for surgical decompression and the diagnosis of meningomyelocele was confirmed via histopathology. Postoperatively, the cat remained non-ambulatory and incontinent but had improved comfort. To the author's knowledge, this is the first report of surgical management of a meningomyelocele in a non-ambulatory cat.

## Linked entities

- **Diseases:** meningomyelocele (MONDO:0017069), spina bifida (MONDO:0008449)

## Full-text entities

- **Genes:** VANGL2 (VANGL planar cell polarity protein 2) [NCBI Gene 57216] {aka LPP1, LTAP, STB1, STBM, STBM1}, NKX2-8 (NK2 homeobox 8) [NCBI Gene 26257] {aka NKX2.8, NKX2H, Nkx2-9}
- **Diseases:** myelopathy (MESH:D013118), MC (MESH:D008588), hyperthermia (MESH:D005334), NTD (MESH:D009436), neurologic decline (MESH:D009461), AMC (MESH:D000820), obesity (MESH:D009765), hyperesthesia (MESH:D006941), hypervitaminosis A (MESH:D006986), myelitis (MESH:D009187), defects of the calvarium (MESH:C537963), epileptic drugs (MESH:D000069279), maternal diabetes (MESH:D003920), gastroschisis (MESH:D020139), hyponatremia (MESH:D007010), atrophy of the pelvic limb musculature (MESH:D001284), MMC (MESH:D008591), congenital abnormalities (MESH:D000013), limb muscle atrophy (MESH:D009133), Waardenburg syndrome (MESH:D014849), anencephaly (MESH:D000757), congenital malformations (OMIM:163000), and/or sacral spine (MESH:C537221), pain (MESH:D010146), dural defect (MESH:D020785), fungal (MESH:D009181), Urinary incontinence (MESH:D014549), bony defect (MESH:D018213), paraparesis (MESH:D020335), colonic distension (MESH:D003108), fecal and urinary incontinence (MESH:D005242), vertebral malformations (MESH:C535781), genitourinary and gastrointestinal disorders (MESH:D005767), infection (MESH:D007239), detrusor muscle injury (MESH:D009122), urinary tract infections (MESH:D014552), birth defect (MESH:D000014), Spina bifida (MESH:D016135), nutritional deficiencies (MESH:D044342), defects in the thoracic, lumbar (MESH:C535531), ataxia (MESH:D001259)
- **Chemicals:** prazosin (MESH:D011224), gabapentin (MESH:D000077206), heavy metals (MESH:D019216), Folic acid (MESH:D005492), griseofulvin (MESH:D006118), gadolinium (MESH:D005682), bethanechol (MESH:D018723), prednisolone (MESH:D011239), DIXON (-)
- **Species:** Mus musculus (house mouse, species) [taxon 10090], Canis lupus familiaris (dog, subspecies) [taxon 9615], Toxoplasma (genus) [taxon 5810], Homo sapiens (human, species) [taxon 9606], Felis catus (cat, species) [taxon 9685]

## Full text

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## Figures

4 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12962903/full.md

## References

35 references — full list in the complete paper: https://tomesphere.com/paper/PMC12962903/full.md

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Source: https://tomesphere.com/paper/PMC12962903