Protrusio acetabuli

from Wikipedia, the free encyclopedia
Classification according to ICD-10
M24.7 Protrusio acetabuli
ICD-10 online (WHO version 2019)

An acetabular protrusion is a protrusion of the acetabulum and head into the pelvis. The disease is also known as the Otto Chrobak pelvis after the German anatomist Adolph Wilhelm Otto (1786–1845) and the Austrian gynecologist Rudolf Chrobak .

to form

A distinction is made between a primary or genuine acetabular protrusion , which is presumably a dominant inheritance and usually occurs on both sides and more frequently in women, from a secondary acetabular protrusion , which can occur as a result of various hip diseases:


Initially, there are restrictions on rotation , adduction, and abduction . Later, in the context of coxarthrosis , disorders of flexion and extension also occur.


  • Keyword Protrusio acetabuli. In: Roche Lexicon Medicine. 2nd Edition. 1987, ISBN 3-541-11212-3 .