014. Modified Dunn procedure for unstable severe SCFE

visual-inline rebuild1 extracted figuresspeaker notes XML9 study lines4 Q&A

Individual slide images have been cropped from the rendered slide and inserted beside the matching note section. The full slide remains below only for layout/audit.

Clean FRCS notes with inline figures

Modified Dunn procedure

•Done in elective setting

Approach

•Gibson interval (between Gmed and Glut max, c/f posterior approach with glut max splitting)

•(No need detach external rotators!)

•Troch flip osteotomy

•Z capsulotomy (from troch ridge to acetabulum along neck of femur, distal anterior towards calcar, parallel towards posterior

•Cut ligamentum teres → Flex + ER + add → anterior dislocation

•AVN up to 25% in inexp hands

Direct Q&A

Q1 What diagnostic or radiographic findings support Modified Dunn procedure for unstable severe SCFE?

Modified Dunn procedure

•Done in elective setting

Approach

•Gibson interval (between Gmed and Glut max, c/f posterior approach with glut max splitting)

•(No need detach external rotators!)

•Troch flip osteotomy

•Z capsulotomy (from troch ridge to acetabulum along neck of femur, distal anterior towards calcar, parallel towards posterior

•Cut ligamentum teres → Flex + ER + add → anterior dislocation

•AVN up to 25% in inexp hands

Q2 What operative steps, indications, and risks are listed for Modified Dunn procedure?

Done in elective setting

Q3 What operative steps, indications, and risks are listed for Approach?

•Gibson interval (between Gmed and Glut max, c/f posterior approach with glut max splitting)

•(No need detach external rotators!)

•Troch flip osteotomy

•Z capsulotomy (from troch ridge to acetabulum along neck of femur, distal anterior towards calcar, parallel towards posterior

•Cut ligamentum teres → Flex + ER + add → anterior dislocation

•AVN up to 25% in inexp hands

Q4 How is Modified Dunn procedure for unstable severe SCFE managed?

Modified Dunn procedure

•Done in elective setting

Approach

•Gibson interval (between Gmed and Glut max, c/f posterior approach with glut max splitting)

•(No need detach external rotators!)

•Troch flip osteotomy

•Z capsulotomy (from troch ridge to acetabulum along neck of femur, distal anterior towards calcar, parallel towards posterior

•Cut ligamentum teres → Flex + ER + add → anterior dislocation

•AVN up to 25% in inexp hands

Raw speaker-note hierarchy audit

#	marL	indent	logical	original note line
1	None	None	0	Modified Dunn procedure
2	None	None	0	Done in elective setting
3	None	None	0	Approach
4	228600	-228600	1	Gibson interval (between Gmed and Glut max, c/f posterior approach with glut max splitting)
5	228600	-228600	1	(No need detach external rotators!)
6	228600	-228600	1	Troch flip osteotomy
7	228600	-228600	1	Z capsulotomy (from troch ridge to acetabulum along neck of femur, distal anterior towards calcar, parallel towards posterior
8	228600	-228600	1	Cut ligamentum teres → Flex + ER + add → anterior dislocation
9	0	0	0	AVN up to 25% in inexp hands

Improved semantic hierarchy used for the study notes

#	semantic level	section?	rewritten line
1	0		Modified Dunn procedure
2	1		Done in elective setting
3	0	yes	Approach
4	1		Gibson interval (between Gmed and Glut max, c/f posterior approach with glut max splitting)
5	1		(No need detach external rotators!)
6	1		Troch flip osteotomy
7	1		Z capsulotomy (from troch ridge to acetabulum along neck of femur, distal anterior towards calcar, parallel towards posterior
8	1		Cut ligamentum teres → Flex + ER + add → anterior dislocation
9	1		AVN up to 25% in inexp hands

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