Charcot neuroarthropathy of the foot and ankle.

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Abstract

[Indexed for MEDLINE] 20. Int J Low Extrem Wounds. 2024 Jun;23(2):181-190. doi: 10.1177/15347346211054326. Epub 2021 Nov 15. Differential Diagnosis of Charcot Neuroarthropathy in Subacute and Chronic Phases: Unusual Diseases. Carro GV(1), Ricci A(1), Torterola I(1), Saurral R(2), Portillo V(1), Amato PS(1), Breppe P(1), Rosito B(1), Flores B(1), Ortiz MT(1). Author information: (1)Hospital Nacional Prof. A. Posadas, Argentina. (2)Hospital Municipal de Trauma y Emergencias Dr Federico Abete, Buenos Aires, Argentina. Charcot Neuroarthropaty (CN) is a complication of diabetes with devastating consequences as it produces severe deformities in the foot developing in recurrent ulcers that rise the probability of amputation. There are several diseases mentioned in the literature that have to be considered for the differential diagnosis of CN, often related to the acute phase (gout, ankle sprain, inflammatory arthritis, cellulitis, venous thrombosis) but there is paucity of information related to the differential diagnosis in later stages (coalescence, remodeling) when there is deformity of the foot. Clinicians and diabetologists are not familiarized with orthopedic pathology and do not have in mind certain diseases that could mimic CN in the subacute or chronic phases and this can develop in a wrong diagnosis. It is important to make a correct diagnosis in patients with suspected CN not only in the acute phase but also in the chronic phase to establish an accurate treatment. This article is a review of the differential diagnosis of CN in subacute and chronic phases showing similarities and differences that can help clinicians and diabetologists to make an accurate diagnosis and treatment. We describe unusual diseases like tendon and muscles disorders, Frieberg's disease, complex pain regional syndrome, transient regional osteoporosis and osteomyelitis superimposed to CN and the main features of each one that could help in making a differential diagnosis. DOI: 10.1177/15347346211054326