033. Blount disease radiographic measurements

visual-inline rebuild1 extracted figuresspeaker notes XML15 study lines2 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

Standing Xray

**Fig 1.** Radiograph / imaging - Blount radiographic measurementtop left

•Skeletally immature

•Bilateral genu varum (increased femorotibial angle)

•Asymmetrical

•Mechanical axis, zone 3

•Tibiofemoral angle

•LDFA (N 85), MPTA (N 87)

•Varus at tibial epiphyseal-metaphyseal area

•Widening of physis, irregularity +/- fragment

•Medial physeal sloping +/- beak, wedge, step etc

•+/- lateral subluxation of tibia

•+/- triangular epiphysis

•Features of trauma, infection, tumour, systemic cause

•Drennan’s angle (<9 likely physiological, >11 Blounts, >16 need OT)

•Medial physeal slope angle [(angle between tangential lines to lateral and medial physis) > 60 deg, high chance of recurrence even after OT]

Direct Q&A

Q1 What are the radiographic findings for Blount disease radiographic measurements?

Skeletally immature

•Bilateral genu varum (increased femorotibial angle)

•Asymmetrical

•Mechanical axis, zone 3

•Tibiofemoral angle

•LDFA (N 85), MPTA (N 87)

•Varus at tibial epiphyseal-metaphyseal area

•Widening of physis, irregularity +/- fragment

•Medial physeal sloping +/- beak, wedge, step etc

•+/- lateral subluxation of tibia

•+/- triangular epiphysis

•Features of trauma, infection, tumour, systemic cause

•Drennan’s angle (<9 likely physiological, >11 Blounts, >16 need OT)

•Medial physeal slope angle [(angle between tangential lines to lateral and medial physis) > 60 deg, high chance of recurrence even after OT]

Q2 How is Blount disease radiographic measurements managed?

Bilateral genu varum (increased femorotibial angle)

•Asymmetrical

•Mechanical axis, zone 3

•Tibiofemoral angle

•LDFA (N 85), MPTA (N 87)

•Varus at tibial epiphyseal-metaphyseal area

•Widening of physis, irregularity +/- fragment

•Medial physeal sloping +/- beak, wedge, step etc

•+/- lateral subluxation of tibia

•+/- triangular epiphysis

•Features of trauma, infection, tumour, systemic cause

•Drennan’s angle (<9 likely physiological, >11 Blounts, >16 need OT)

•Medial physeal slope angle [(angle between tangential lines to lateral and medial physis) > 60 deg, high chance of recurrence even after OT]

Raw speaker-note hierarchy audit

#	marL	indent	original note line
1	None	None	Standing Xray
2	None	None	Skeletally immature
3	None	None	Bilateral genu varum (increased femorotibial angle)
4	None	None	Asymmetrical
5	None	None	Mechanical axis, zone 3
6	None	None	Tibiofemoral angle
7	None	None	LDFA (N 85), MPTA (N 87)
8	None	None	Varus at tibial epiphyseal-metaphyseal area
9	None	None	Widening of physis, irregularity +/- fragment
10	None	None	Medial physeal sloping +/- beak, wedge, step etc
11	None	None	+/- lateral subluxation of tibia
12	None	None	+/- triangular epiphysis
13	None	None	Features of trauma, infection, tumour, systemic cause
14	None	None	Drennan’s angle (<9 likely physiological, >11 Blounts, >16 need OT)
15	None	None	Medial physeal slope angle [(angle between tangential lines to lateral and medial physis) > 60 deg, high chance of recurrence even after OT]

Improved semantic hierarchy used for the study notes

#	semantic level	section?	rewritten line
1	0	yes	Standing Xray
2	1		Skeletally immature
3	1		Bilateral genu varum (increased femorotibial angle)
4	1		Asymmetrical
5	1		Mechanical axis, zone 3
6	1		Tibiofemoral angle
7	1		LDFA (N 85), MPTA (N 87)
8	1		Varus at tibial epiphyseal-metaphyseal area
9	1		Widening of physis, irregularity +/- fragment
10	1		Medial physeal sloping +/- beak, wedge, step etc
11	1		+/- lateral subluxation of tibia
12	1		+/- triangular epiphysis
13	1		Features of trauma, infection, tumour, systemic cause
14	1		Drennan’s angle (<9 likely physiological, >11 Blounts, >16 need OT)
15	1		Medial physeal slope angle [(angle between tangential lines to lateral and medial physis) > 60 deg, high chance of recurrence even after OT]

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