<b>A comparison study of radiographic and computerized tomographic angles in slipped capital femoral epiphysis</b>

Datti, Ibere Pereira; Massa, Bruno Sérgio Ferreira; Ejnisman, Leandro; Montenegro, Nei Botter; Guarniero, Roberto; Kojima, Kodi Edson

doi:10.1016/j.rboe.2017.08.011

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Revista Brasileira de Ortopedia

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ORIGINAL ARTICLE • Rev. bras. ortop. 52 (5) • Sep-Oct 2017 • https://doi.org/10.1016/j.rboe.2017.08.011 copy

A comparison study of radiographic and computerized tomographic angles in slipped capital femoral epiphysis ^☆ Conflicts of interest The authors declare no conflicts of interest.

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Objective:

To compare proximal femur radiologic angles in patients with slipped capital femoral epiphysis and to analyze whether computerized tomography may modify the treatment.

Methods:

Cross-sectional study comparing and analyzing the similarity between angles and radiologic classification of interest in slipped capital femoral epiphysis (SCFE) .

Results:

It was observed that the therapeutic management in slipped capital femoral epiphysis might be modified depending on the classification and radiologic acquisition method adopted.

Conclusion:

Multiplanar assessment of proximal femoral deformity in patients with slipped capital femoral epiphysis is a viable option, with the potential to modify the disease classification and, consequently, the therapeutic management.

Keywords:
Slipped capital femoral epiphyses/radiography; X-ray computed tomography; Hip joint/radiography

	Mild	Moderate	Severe
Classification through Cooper's oblique plane	–
AP X-ray/axial CT	3	–	23
Coronal CT/axial CT	4	–	22

Wilson's classification
CT (3D)	1	2	23
X-ray	5	10	11

Southwick classification
CT (3D)	8	6	12
X-ray	3	6	17

		Classification of Cooper's oblique plane with coronal CT
		Mild	Severe	Total
Cooper's Oblique Plane Classification using AP X-ray	Mild	3	0	3
	Severe	1	22	23
	Total	4	22	26

		Wilson's Classification through CT (3D)
		Mild	Moderate	Severe	Total
Wilson's classification through X-ray	Mild	1	0	4	5
	Moderate	0	2	8	10
	Severe	0	0	11	11
	Total	1	2	23	26

		Southwick classification through CT (3 D)
		Mild	Moderate	Severe	Total
Southwick classification through X-ray	Leve	3	0	0	3
	Moderate	4	1	1	6
	Severe	1	5	11	17
	Total	8	6	12	26

	Classification through Cooper's oblique plane	Classification through Wilson's slip with X-ray
Classification through Wilson's slip – X-ray	Kappa: 0.107
Classification through Wilson's slip – X-ray	p : 0.08
Classification through Southwick angle – X-ray	Kappa: 0.152	Kappa: 0.058
Classification through Southwick angle – X-ray	p : 0.07	p : 0.33

Sociedade Brasileira de Ortopedia e Traumatologia Al. Lorena, 427 14º andar, 01424-000 São Paulo - SP - Brasil, Tel.: 55 11 2137-5400 - São Paulo - SP - Brazil
E-mail: rbo@sbot.org.br

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[1] ^*Corresponding author. E-mail: iberedatti@hotmail.com (I.P. Datti).

Gender
Male	14
Female	7
Laterality
Right	14 (53.8%)
Left	12 (42.2%)
Bilateral involvement	5
Boys	4 (28.57%)
Girls	1 (14.28%)
Age	13.7 (12.9–14.5) years
Boys	13.9 (13.1–14.8) years
Girls	13.2 (11.1–15.3) years

Cooper's oblique plane
AP X-ray/axial CT	70.3 (62.5–78.0)°
Coronal CT/axial CT	71.0 (64.3–77.7)°

Wilson's neck-head slip
CT (3D)	85.0 (71.2–98.8)%
AP X-ray	31.3 (20.2–42.4)%
Profile X-ray	44.2 (34.1–54.3)%

Southwick angle
CT (3D)	47.9 (38.0–57.8)°
AP X-ray	19.5 (9.7–29.3)°
Profile X-ray	51.5 (43.8–59.2)°

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A comparison study of radiographic and computerized tomographic angles in slipped capital femoral epiphysis ☆ Conflicts of interest The authors declare no conflicts of interest.

ABSTRACT

Objective:

Methods:

Results:

Conclusion:

A comparison study of radiographic and computerized tomographic angles in slipped capital femoral epiphysis ^☆ Conflicts of interest The authors declare no conflicts of interest.