title: What is your diagnosis? Irregular periosteal response, with a radiolucent defect within the distomedial aspect of the patella.
authors.affiliation: Department of Large Animal Medicine, Texas Veterinary Medical Center, Texas A&M University, College Station 77843, USA.
authors.forename: E E
authors.initials: EE
authors.lastname: Perris
authors.forename: G K
authors.initials: GK
authors.lastname: Carter
authors.forename: M K
authors.initials: MK
authors.lastname: Chaffin
authors.forename: C M
authors.initials: CM
authors.lastname: Honnas
mesh_terms: D000038:Abscess / Q000000981:diagnostic imaging / Q000662:veterinary; D000818:Animals; D003937:Diagnosis, Differential; D006734:Horse Diseases / Q000000981:diagnostic imaging*; D006736:Horses; D007794:Lameness, Animal / Q000209:etiology; D008297:Male; D010019:Osteomyelitis / Q000000981:diagnostic imaging / Q000662:veterinary*; D010329:Patella; D011859:Radiography; D012008:Recurrence; D014463:Ultrasonography