Sunday, 9 March 2014

Types of Pelvis

Normal Pelvis

Naegele's pelvis(congenital oblique pelvis)..
one ala of sacrum is absent.

Robert's pelvis (congenitaly contracted) both ala of sacrum is absent

Rachitic pelvis=flat
- softening of the bone
- dec ant post dia of the inlet.
- increased AP diameter of outlet
- increased AP diameter of outlet and increased TV diameter due to baby delayed walking and sitting on ischial tuberosities.

Osteomalacic pelvis
- softening of bone due to Ca and vit D def in elderly ES multipara.
- in the standing position
- head of femur and sacral promaontary is pushed.
- rectus abdominus pull
-triradiate pelvis.

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