Arthrographic Classification of Laredo Filho for Legg-Calve-Perthes Disease (LCPD)

Description

Laredo Filho classified patients with Legg-Calve-Perthes disease based on findings seen on arthrography. The grade correlates with prognosis.Laredo Filho classified patients with Legg-Calve-Perthes disease based on findings seen on arthrography. The grade correlates with prognosis.

Patient selection: Legg-Calve-Perthes disease

Procedure: arthrography

Parameters:

(1) shape of the coxa magna

(2) subluxation

(3) other findings

Shape of Coxa Magna	Subluxation	Other Findings	Grade
spherical	none	none	I
spherical	present in neutral position; reduces at 30° abduction	NA	II
egg-shaped	persistent at 30° abduction	NA	III
flat	persistent at 30° abduction	impingement on abduction	IV
deformed	persistent subluxation at 30°	NA	V

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Arthrographic Classification of Laredo Filho for Legg-Calve-Perthes Disease (LCPD)

Description

Specialty