Dec 19, 2024 · The ischial spine sign is a radiographic sign on the AP view of the pelvis for the diagnosis of acetabular retroversion, which poses a form of pincer morphology and predisposes to …

Our aim therefore was to determine if the ischial spine sign is a valid sign for detecting apparent acetabular retroversion in pelves with variations of tilt and rotation.

It has been observed that along with the crossover sign, the ischial spine is commonly projected into the pelvic cavity. This finding is easier to observe even when the crossover sign is not visible.

Ischial spine sign - the ischial spine projects more medially than normal (blue line). These findings are consistent with a global pincer morphology due to acetabular retroversion.

§ Cross over sign- Posterior margin of acetabulum crosses the anterior margin and the inferior part of posterior margin lies medial to the anterior margin. § Ischial spine sign- Prominent ischial spine …

Feb 26, 2025 · The ischial spine sign is a crucial indicator in assessing pelvic abnormalities through imaging. It can specifically points to conditions like sacroiliac joint dysfunction, where the normal …

Oct 30, 2023 · The ischial spine is a sharp bony prominence found on the ramus of the ischium. It sits between the greater and lesser sciatic notches, at the level of the lower border of the acetabulum.

Dec 31, 2025 · Femoroacetabular impingement (FAI) syndrome is painful, limited hip motion due to specific morphological abnormalities in the femoral head-neck region and/or acetabulum. …

Our aim therefore was to determine if the ischial spine sign is a valid sign for detecting apparent acetabular retroversion in pelves with variations of tilt and rotation.

Several studies have measured co-existence of Ischial Spine Sign (ISS) in patients with AR. In this study we evaluated the diagnostic value of ISS in confirmation of AR and compared it with the diagnostic …