Equine nodular necrosis

Veterinary advice should be sought before applying any treatment or vaccine.

Equine Nodular Necrosis

Eosinophilic Granuloma, Nodular Collagenolytic Granuloma

Equine nodular necrosis is a rare skin disorder characterized by the development of an irregular number of firm, well-defined skin nodules of varying size which are particularly distributed in the axillary region under the girth, on the nose under the nose band, shoulder, and/or buttock. Nodular lesions occur either singly or in clusters and range in size from 0.5 - 3cm in diameter with an average of 1.4 cm.


Single or clusters of nodular lesions along girth, nose, shoulder or buttock


  • History
  • Clinical signs
  • Physical exam
  • Biopsy


Oral prednisolone for 2 to 3 weeks
Steroid injections under the lesions
Surgical excision

Scientific Research References

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