Ocular lesions produced by pine processionary caterpillar setae (<i>Thaumetopoea pityocampa</i>) in dogs: a descriptive study

Costa, Daniel; Esteban, Javier; Sanz, F. Gómez; Vergara, Jorge; Huguet, Eduardo

doi:10.1111/vop.12333

Cited by 11 publications

(11 citation statements)

References 24 publications

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“…The highest risks of CPPM exposure occur from the end of winter to spring, when mature larvae form processions on the ground to search for food and pupation sites in the soil. As previously described in dogs, 1,6,7 most of the cats in the present study were presented in March and April. Only one cat presented clinical signs in November, and two cats showed clinical signs in May.…”

Section: Discussionmentioning

confidence: 90%

Pine processionary caterpillar Thaumetopoea pityocampa envenomation in 11 cats: a retrospective study

Pouzot‐Nevoret

Cambournac

Violé

et al. 2017

Journal of Feline Medicine and Surgery

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Objectives The aim of this study was to describe the clinical manifestations in cats of contact with caterpillars of the pine processionary moth. Methods Data were retrospectively obtained from the medical records (2004-2016) of cats that had been in contact with caterpillars of the pine processionary moth. Results Eleven cats were included in the study. The prevalence of lepidopterism was 0.13%. Tongue lesions and ptyalism were both present in 10/11 (91%) cats. Systemic signs consisted exclusively of vomiting and were encountered in 4/11 (36%) cats. The survival rate was 100%. Long-term follow-up data were available for 7/11 cats, and none of the cats showed impaired quality of life or definitive sequelae. Conclusions and relevance The clinical presentation of lepidopterism in cats appears to be similar to that in other animals; however, the clinical signs are less severe than those previously reported, mainly owing to the cautious behaviour of this species. Moreover, the prognosis is excellent, the length of hospitalisation is short (maximum 48 h) and our study showed the absence of any long-term disability after hospital discharge.

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Section: Discussionmentioning

confidence: 90%

Pine processionary caterpillar Thaumetopoea pityocampa envenomation in 11 cats: a retrospective study

Pouzot‐Nevoret

Cambournac

Violé

et al. 2017

Journal of Feline Medicine and Surgery

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“…This caterpillar is considered one of the main forest pests and is present in extensive regions of central Asia, northern Africa and southern Europe. Reports on the toxicity of this insect can be found in medical and veterinary literature. Most cases are European or Indian, but toxicity by similar lepidopters (an order of insects that includes butterflies and moths) has also been reported in Australia…”

Section: Discussionmentioning

confidence: 99%

Focal cortical cataract due to caterpillar hair migration

Martín-Moro

Contreras-Martín

Castro-Rebollo

et al. 2019

Clinical and Experimental Optometry

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“…Burdock pappus bristles have been shown to demonstrate similar biomicroscopic and IVCM findings in the horse, however this plant is not typically found in Texas. Similarly, the small hairs, or setae, of certain species of tarantula and caterpillar are reportedly capable of producing very similar ocular surface lesions in dogs – a condition known as ophthalmia nodosa. This condition was considered, but was not supported by the histories provided by owners in this series.…”

Section: Discussionmentioning

confidence: 99%

Cactus‐induced keratoconjunctivitis in Texas: A case series of three dogs and one cat

Dowler

Scott

Teixeira

et al. 2019

Veterinary Ophthalmology

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Objective To describe the historical, clinical, and diagnostic features of small animal patients affected by cactus‐induced keratoconjunctivitis and their response to therapy. Animals studied Three dogs and one cat. Procedures Ophthalmic examination directed subsequent selected diagnostic tests in each case including light microscopy of extracted foreign bodies, in vivo confocal microscopy (IVCM), corneal histopathology, and corneal bacterial culture. Treatments consisted of foreign body surgical extraction with concurrent medical therapy (three cases), or medical therapy alone (one case). Results Clinical histories obtained supported acute cactus injury in all cases. Ophthalmic abnormalities were unilateral in each case and included ulcerative keratoconjunctivitis associated with linear, microscopic conjunctival and/or corneal penetrating cactus spines, known as glochids. Light microscopy and IVCM showed glochids to be heavily barbed, consistent with the spine morphology Prickly Pear (Opuntia) cactus species. Bacterial culture yielded Proprionicimonas sp. in one case with keratomalacia. Surgical extraction of spines was challenging, and residual conjunctival and/or corneal glochids were present in all cases. Patient discomfort resolved at a median of 21 days (range 10‐51 days). Vision‐threatening complications were not observed in any case at the time of last follow‐up examination. Epithelial downgrowth, demonstrated by IVCM and histopathology, was present in one case at 108‐day follow‐up. Conclusions Cactus‐induced keratoconjunctivitis should be considered as a differential in regions in which Opuntia cacti are prevalent, and microscopic ocular foreign bodies are observed. Although glochids are difficult to extract, positive clinical outcomes can occur in small animal patients despite the presence of residual organic corneal foreign material.

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Ocular lesions produced by pine processionary caterpillar setae (Thaumetopoea pityocampa) in dogs: a descriptive study

Cited by 11 publications

References 24 publications

Pine processionary caterpillar Thaumetopoea pityocampa envenomation in 11 cats: a retrospective study

Pine processionary caterpillar Thaumetopoea pityocampa envenomation in 11 cats: a retrospective study

Focal cortical cataract due to caterpillar hair migration

Cactus‐induced keratoconjunctivitis in Texas: A case series of three dogs and one cat

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