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Animal: Feline, 12-year-old
Organ: Skin
History: Formalin-fixed skin with a scar was submitted. There was history of surgery for injection site sarcoma. Practitioner suspected local recurrence because of indurated nodules in subcutis.
Macroscopical findings: Skin and subcutaneous tissues with small white to tan, chalky to firm nodules in the panniculus
Histopathological findings: Multifocal pyogranulomatous panniculitis centered on polyfilamentous cylindrical foreign bodies, showing iridescent colors with polarized light
Diagnosis: Skin, suture granulomas
Contribution: Jean-Charles HUSSON, Dr Vét., dip. ECVP, DESV-AP, +33 (0) 5 34 40 77 88 www.lapvso.com, 11 bis Allée des Vitarelles, 31100 Toulouse, jc.husson@lapvso.fr