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La valoración del feto con displasia esquelética - SonoWorld

La valoración del feto con displasia esquelética - SonoWorld

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Femur<br />

(mm)<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 weeks<br />

Presentación clínica<br />

9 0 %<br />

8 0 %<br />

7 0 %<br />

6 0 %<br />

5 0 %<br />

4 0 %<br />

3 0 %<br />

2 0 %<br />

1 0 %<br />

Percents of the mean<br />

and likely anomalies<br />

Hypochondroplasia: 33%<br />

Achondroplasia: 27%<br />

Focal femoral deficiency, Osteogenesis III: 20%<br />

Achondroplasia: 29%<br />

Osteogenesis II: 19%<br />

Hypochondroplasia, Focal femoral deficiency: 14%<br />

Osteogenesis III, Campomelic dysplasia<br />

Unspecified distrophy, Hypophosphatasia<br />

Chondrodysplasia punctata: 5%<br />

Osteogenesis II, III, Achondroplasia: 17%<br />

Hypochondroplasia, Campomelic dysplasia: 9%<br />

Thanatophoric dysplasia, Short-rib polydactyly,<br />

Diastrophic dysplasia, Unspecified distrophy<br />

Kniest syndrome, Hypophosphatasia,<br />

Focal femoral deficiency: 4%<br />

Thanatophoric dysplasia: 36%<br />

Osteogenesis II, Diastrophic dysplasia: 14%<br />

(Unspecified distrophy: 9%)<br />

Short-rib polydactyly, Achondroplasia, -genesis<br />

Hypophosphatasia, Focal femoral deficiency,<br />

Chondrodysplasia punctata: 5%<br />

Thanatophoric dysplasia: 53%<br />

Osteogenesis II: 26%<br />

Diastrophic dysplasia: 6%<br />

Dissegmental dysplasia, Short-rib polydactyly,<br />

Chondroectodermal dysplasia, Achondroplasia,<br />

Femur-fibula-ulna: 3%<br />

Thanatophoric dysplasia: 44%<br />

Osteogenesis II: 34%<br />

Campomelic dysplasia: 7%<br />

Diastrophic dysplasia: 5%<br />

Short-rib polydactyly, Achondrogenesis,<br />

Chondroectodermal dysplasia, Achondroplasia: 2%<br />

Osteogenesis II: 43%<br />

Thanatophoric dysplasia: 30%<br />

Achondrogenesis: 19%<br />

Hypophosphatasia: 5%<br />

Achondroplasia: 3%<br />

Achondrogenesis: 50%<br />

Short-rib polydactyly: 14%<br />

Thanatophoric d., Osteogenesis II, Dysegmental<br />

dysplasia, Femur-fibula-ulna, chondrodysplasia<br />

punctata: 7%<br />

<strong>La</strong> <strong>valoración</strong> de <strong>displasia</strong>s <strong>esquelética</strong>s ocurrirá ya sea porque exista una historia familiar o debido al<br />

descubrimiento incidental de un hueso de forma anormal o demasiado corto durante un examen. Cuando<br />

está presente el antecedente familiar, la tarea se limita generalmente a valorar si los mismos hallazgos están<br />

presentes o no. En la práctica observamos todos los huesos largos y medimos todos aquellos que no estén<br />

claramente dentro de límites normales.

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