Administrators, Editors, Administrators
3,484
edits
Changes
Jump to navigation
Jump to search
! rowspan=2| Pelvic outlet! Sagittal pelvic outlet diameter¨diameter
→Interpretation: +Interpretation
Low-dose 3D CT can be used for estimating pelvimetry parameters.<ref name=Cetin2016>{{cite journal | vauthors = Salk I, Cetin A, Salk S, Cetin M | title = Pelvimetry by Three-Dimensional Computed Tomography in Non-Pregnant Multiparous Women Who Delivered Vaginally | journal = Polish Journal of Radiology | volume = 81 | issue = | pages = 219–27 | date = 2016 | pmid = 27231494 | pmc = 4865272 | doi = 10.12659/PJR.896380 }}</ref>
==InterpretationMeasurement==
{|class="wikitable"
!colspan=2| Parameter !! Image<br>([[maximum intensity projection]]) !! Definition !! Normal measures
| 10 to 12 cm.<ref name=Cetin2016/>
|-
! colspanrowspan=23| Pelvic outlet ! Interspinous distance
| [[File:Low-dose_CT_of_interspinous_diameter.jpg|170px]]
| The line between the narrowest bone points connects the ischial spines
| 9.5 to 11.5 cm.<ref name="pmid21509231">{{cite journal | vauthors = Gowri V, Jain R, Rizvi S | title = Magnetic resonance pelvimetry for trial of labour after a previous caesarean section | journal = Sultan Qaboos University Medical Journal | volume = 10 | issue = 2 | pages = 210–4 | date = August 2010 | pmid = 21509231 | pmc = 3074700 }}</ref>
|-
| [[File:Low-dose_CT_of_sagittal_pelvic_outlet_diameter.jpg|120px]]
| || 9.5 to 11.5 cm.<ref name="pmid21509231"/>
| || 10 to 12 cm.<ref name="pmid21509231"/>
|}
==Interpretation==
This only needs to be done if requested by the clinician, otherwise it is only necessary to state the numerical values of the parameters.
{|class="wikitable"
! !! Normal !! Borderline !! Narrow
|+ Pelvimetry interpretation<ref name=Kersting>{{cite web|url=http://dokpub.regionkronoberg.se/OpenDoc.aspx?Id=71912|Pelvimetry (in Swedish: Bäckenmätning)|title=Kronoberg County Council|author=Kira Kersting|date=2017-01-04}}</ref>
|-
| Sum of inlet measures || >24 cm || 23- 24 cm || < 23 cm
|-
| Sum of outlet measures || >31,5 cm || 29,5 – 31,5 cm || <29,5 cm
|-
| Obstetric conjugate || >11,0 || 9,5 – 11,0 ||<9,5
|}
A sagittal outlet is < 8 cm or interspinous diameter is <7 cm is regarded as narrow, even if the sum of outlet measures is normal.<ref name=Kersting/>
==Report==
