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Subchondral insufficiency fracture of the knee: unicompartmental correlation to meniscal pathology and degree of chondrosis by MRI.
Allam, Emad; Boychev, George; Aiyedipe, Samuel; Morrison, William; Roedl, Johannes B; Singer, Adam D; Gonzalez, Felix M.
Afiliación
  • Allam E; Department of Radiology, Loyola University Medical Center, Chicago, IL, USA.
  • Boychev G; Department of Radiology, Loyola University Medical Center, Chicago, IL, USA.
  • Aiyedipe S; Rollins School of Public Health, Emory University, Atlanta, GA, USA.
  • Morrison W; Department of Radiology and Imaging Sciences, Thomas Jefferson University Hospital, Philadelphia, PA, USA.
  • Roedl JB; Department of Radiology and Imaging Sciences, Thomas Jefferson University Hospital, Philadelphia, PA, USA.
  • Singer AD; Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA.
  • Gonzalez FM; Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA. felix.m.gonzalez@emory.edu.
Skeletal Radiol ; 50(11): 2185-2194, 2021 Nov.
Article en En | MEDLINE | ID: mdl-33866392
ABSTRACT

OBJECTIVE:

To assess the relationship between low- and high-grade subchondral insufficiency fracture of the knee (SIFK) and meniscal tear/type/location, severity of meniscal extrusion, grade of chondrosis, and extent of surrounding edema-like marrow signal intensity. MATERIALS AND

METHODS:

Our retrospective study included 219 patients with knee pain and SIFK seen on MRI. SIFK lesions were categorized from grade 1 to 4 with a low grade (1 and 2) vs high grade (3 and 4) distinction. Associations between SIFK grade, location, lesion dimensions, edema-like marrow signal intensity, incidence of meniscal tears/type/location, and chondrosis (grade 0 to grade 4), as well as patients' age and weight, were assessed.

RESULTS:

Our analysis consisted of 115 males and 104 females with 17% of the patients showing grade 1 SIFK, 59% grade 2, 16% grade 3, and 8% grade 4. No chondrosis or low-grade chondrosis was mostly present in patients with low-grade SIFK (68.9%), whereas high-grade chondrosis was mostly present in patients with high-grade SIFK lesions (65.4%) (p < 0.01). Further sub-analysis demonstrated that high-grade SIFK was associated with high-grade chondrosis in the same compartment (p < 0.01) but not in the adjacent compartment. There was a significant difference in the extent of edema-like marrow signal intensity between the two groups, with high-grade SIFK more frequently demonstrating severe edema-like marrow signal intensity compared to low-grade SIFK (p < 0.01).

CONCLUSION:

High-grade SIFK lesions are associated with unicompartmental high-grade chondrosis.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fracturas por Estrés / Traumatismos de la Rodilla Tipo de estudio: Observational_studies Límite: Female / Humans / Male Idioma: En Revista: Skeletal Radiol Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fracturas por Estrés / Traumatismos de la Rodilla Tipo de estudio: Observational_studies Límite: Female / Humans / Male Idioma: En Revista: Skeletal Radiol Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos
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