A Case of Feline Dirofilariasis with Intracerebral Aberration

Miura, Harumi; Kanamoto, Tougaku; Morita, Tatsushi; Maseki, Toshiaki

doi:10.12935/jvma1951.54.701

Cited by 2 publications

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“…21 In addition, if the nematode is trapped in a small vessel, it could extrude out of the vessel and migrate into the CNS. 19,23 In fact, Miura et al 22 demonstrated that D immitis is able to migrate from a ventricle to another part of the brain. Moreover, the cat CNS could be a site where heartworms could easily settle; McCall et al 24 found nematodes in the CNS of 2/10 cats experimentally inoculated with 100 larvae (L3).…”

Section: Case Reportmentioning

confidence: 99%

“…Firstly, filarial nematodes seem develop to sub-adults and adults in typical sites (right ventricle and pulmonary artery) before migrating to the CNS; in 5/8 cats, the parasites were found both in these organs and the CNS. 7,[19][20][21][22] Furthermore, in cats with CNS infection, two gravid females were found, whereas a male was in a pulmonary vein, suggesting that females migrate to the CNS after mating. 21 In addition, if the nematode is trapped in a small vessel, it could extrude out of the vessel and migrate into the CNS.…”

mentioning

confidence: 99%

“…21 In addition, if the nematode is trapped in a small vessel, it could extrude out of the vessel and migrate into the CNS. 19,23 In fact, Miura et al 22 demonstrated that D immitis is able to migrate from a ventricle Additionally, none of the CNS infections in cats were in the spinal cord; D immitis in dogs can involve neurological signs and spinal cord damage. 25 This may be owing to the smaller size of cat spinal vessels preventing filarial nematode migration.…”

mentioning

confidence: 99%

“…21 In addition, if the nematode is trapped in a small vessel, it could extrude out of the vessel and migrate into the CNS. 19,23 In fact, Miura et al 22 demonstrated that D immitis is able to migrate from a ventricle Figure 2 High-definition surgical microscope image acquired during the L2-L3-L4 left hemilaminectomy. Fatty inflammatory tissue was detected (left), and a long, narrow, white parasite (right) was observed weakly attached to the phlogistic epidural fat tissue.…”

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confidence: 99%

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Epidural dirofilariosis in a paraparetic cat: case report of Dirofilaria immitis infection

Favole¹,

Cauduro²,

Opreni³

et al. 2013

Journal of Feline Medicine and Surgery

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A 6-year-old neutered female cat was examined for chronic and progressive pelvic limb ataxia that progressed to non-ambulatory paraparesis over 1 month. Haematological and serum analyses were mainly within normal ranges. Thoracic and abdominal radiographs did not reveal any morphological abnormalities. Magnetic resonance imaging investigation of the thoraco-lumbar spine demonstrated a well-defined, extradural mass that extended into the epidural space from the L2 to L3 vertebral bodies and expanded in the L2 to L3 left intervertebral foramen. During surgery, a long, narrow, white parasite which was weakly adherent to the phlogistic epidural fat tissue was gently removed from the spinal canal. Histological examination of the pathological tissue supported a diagnosis of epidural steatitis surrounding a female adult Dirofilaria immitis. This is a novel case of natural D immitis infection with spinal localisation in a cat, well documented with magnetic resonance investigation, and cytological and histological examinations, introducing a novel differential diagnosis for extradural spinal masses in cats.

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Section: Case Reportmentioning

confidence: 99%

mentioning

confidence: 99%

“…21 In addition, if the nematode is trapped in a small vessel, it could extrude out of the vessel and migrate into the CNS. 19,23 In fact, Miura et al 22 demonstrated that D immitis is able to migrate from a ventricle Additionally, none of the CNS infections in cats were in the spinal cord; D immitis in dogs can involve neurological signs and spinal cord damage. 25 This may be owing to the smaller size of cat spinal vessels preventing filarial nematode migration.…”

mentioning

confidence: 99%

“…21 In addition, if the nematode is trapped in a small vessel, it could extrude out of the vessel and migrate into the CNS. 19,23 In fact, Miura et al 22 demonstrated that D immitis is able to migrate from a ventricle Figure 2 High-definition surgical microscope image acquired during the L2-L3-L4 left hemilaminectomy. Fatty inflammatory tissue was detected (left), and a long, narrow, white parasite (right) was observed weakly attached to the phlogistic epidural fat tissue.…”

mentioning

confidence: 99%

See 2 more Smart Citations

Epidural dirofilariosis in a paraparetic cat: case report of Dirofilaria immitis infection

Favole¹,

Cauduro²,

Opreni³

et al. 2013

Journal of Feline Medicine and Surgery

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Intradural Dirofilariasis in a Dog with Chronic Cervical Pain

Bonawandt

Berg

Joseph

et al. 2017

Journal of the American Animal Hospital Association

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A 7 yr old female spayed Yorkshire terrier was referred to the author's institute for a 5 mo history of recurrent cervical spinal pain. Neurologic examination did not reveal any deficits. Hematologic and serum analyses were within normal limits. Thoracic radiographs that incorporated the cervical spine did not show structural abnormalities. Magnetic resonance imaging of the cervical spine demonstrated a contrast enhancing, intradural extramedullary lesion at the level of the C2 vertebra. Hemilaminectomy was performed, during which a long, narrow nematode was visualized upon opening of the dura mater. The parasite was alive when removed during surgery, and the dog recovered with complete resolution of symptoms. The parasite was submitted and confirmed as a male adult Dirofilaria immitis. This is a novel case of an intradural D. immitis infection in the dog with a magnetic resonance imaging description of spinal D. immitis.

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A Case of Feline Dirofilariasis with Intracerebral Aberration

Cited by 2 publications

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Epidural dirofilariosis in a paraparetic cat: case report of Dirofilaria immitis infection

Epidural dirofilariosis in a paraparetic cat: case report of Dirofilaria immitis infection

Intradural Dirofilariasis in a Dog with Chronic Cervical Pain

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