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The prognostic value and significance of serial bone scintigraphy in Legg-Calvé-Perthes disease. 1997

A K Tsao, and L S Dias, and J J Conway, and P Straka
Children's Memorial Hospital, Chicago, Illinois, USA.

We reviewed 44 consecutive patients treated for Legg-Calvé-Perthes disease who underwent serial technetium 99m diphosphonate bone scintigraphy. The average follow-up was 4.4 years. The bone-scintigraphy classification characterizes the A pathway by early lateral column formation not seen in the B pathway. Pathway A had 20 hips. The average age at presentation was 6.1 years. At last follow-up, this group had an average Mose classification of 1.2 and Catterall score of 2.4, without any patient having "head-at-risk" signs or requiring operative treatment. Pathway B had 20 hips. The average age at presentation was 5.8 years. At last follow-up, this group had an average Mose classification of 5.2, a Catterall score of 3.5, and 18 patients had head-at-risk signs, with 11 requiring operative treatment. Our bone-scintigraphy classification preceded the radiographic head-at-risk signs by an average of 3 months, allowing earlier treatment and correlated with subsequent femoral head involvement.

UI MeSH Term Description Entries
D007873 Legg-Calve-Perthes Disease A particular type of FEMUR HEAD NECROSIS occurring in children, mainly male, with a course of four years or so. Coxa Plana,Legg-Perthes Disease,Perthes Disease,Legg-Calve-Perthes Syndrome,Legg-Calvé-Perthes Disease,Legg-Calvé-Perthes Syndrome,Osteochondritis Deformans,Disease, Legg-Calve-Perthes,Disease, Legg-Calvé-Perthes,Disease, Legg-Perthes,Disease, Perthes,Legg Calve Perthes Disease,Legg Calve Perthes Syndrome,Legg Calvé Perthes Disease,Legg Calvé Perthes Syndrome,Legg Perthes Disease,Osteochondritis Deforman,Syndrome, Legg-Calve-Perthes,Syndrome, Legg-Calvé-Perthes
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004164 Diphosphonates Organic compounds which contain P-C-P bonds, where P stands for phosphonates or phosphonic acids. These compounds affect calcium metabolism. They inhibit ectopic calcification and slow down bone resorption and bone turnover. Technetium complexes of diphosphonates have been used successfully as bone scanning agents. Bisphosphonate,Bisphosphonates
D005271 Femur Head Necrosis Aseptic or avascular necrosis of the femoral head. The major types are idiopathic (primary), as a complication of fractures or dislocations, and LEGG-CALVE-PERTHES DISEASE. Aseptic Necrosis of Femur Head,Avascular Necrosis of Femur Head,Necrosis, Aseptic, of Femur Head,Necrosis, Avascular, of Femur Head,Avascular Necrosis Of Femoral Head, Primary,Femoral Head, Avascular Necrosis Of,Ischemic Necrosis Of Femoral Head,Femur Head Necroses,Head Necrosis, Femur,Necrosis, Femur Head
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor

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