1969
DOI: 10.1148/92.5.949
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The “Fallen Fragment Sign” in the Diagnosis of Unicameral Bone Cysts

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Cited by 63 publications
(22 citation statements)
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“…An involutional phase following pathologic fracture also has been described [24]. The classic ''fallen fragment'' sign representing fracture of the thin cortical margin into the cystic portion of the lesion, is characteristic, although not pathognomonic, of a unicameral bone cyst [17]. Greater than 90% of unicameral bone cysts are located in the proximal humerus or proximal femur [9,11].…”
Section: Discussion and Treatmentmentioning
confidence: 99%
“…An involutional phase following pathologic fracture also has been described [24]. The classic ''fallen fragment'' sign representing fracture of the thin cortical margin into the cystic portion of the lesion, is characteristic, although not pathognomonic, of a unicameral bone cyst [17]. Greater than 90% of unicameral bone cysts are located in the proximal humerus or proximal femur [9,11].…”
Section: Discussion and Treatmentmentioning
confidence: 99%
“…Патогномоничными рентгенологическими признаками СКК являются: признак «запавше-го фрагмента», предложенный Reynolds в 1969 г. и заключающийся в проекционном выявлении мелких костных фрагментов внутри самого кост-ного очага, что подтверждает жидкостный харак-тер содержимого; признак «восходящего пузыря», предложенный Martin I. Jordanov в 2009 г. и пред-ставляющий собой наличие пузырька газа на не-зависимом расстоянии от литического костного края после патологического перелома [14,15].…”
Section: диагностика солитарных костных кистunclassified
“…25 The characteristic ''fallen fragment'' or ''fallen leaf'' sign represents a fracture fragment that has fallen into the cyst cavity. 41 This radiographic sign suggests that the lesion is cystic rather than solid in nature. The diagnosis of unicameral bone cyst is relatively straightforward but differential diagnoses include aneurysmal bone cyst, fibrous dysplasia with cystic component, enchondroma, giant cell tumor and eosinophilic granuloma.…”
Section: Clinical Featuresmentioning
confidence: 99%