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  2. X-ray of hip dysplasia - Wikipedia

    en.wikipedia.org/wiki/X-ray_of_hip_dysplasia

    Rather than using the Wiberg angle because it makes it difficult to quantify the degree of dislocation they used 3 key elements to determine the degree of subluxation: A reference line at the lower rim of the "teardrop", junction between the femoral head and neck of the respective joint and the height of the pelvis (vertical measurement).

  3. Pelvimetry - Wikipedia

    en.wikipedia.org/wiki/Pelvimetry

    Pelvimetry is the measurement of the female pelvis. [1] It can theoretically identify cephalo-pelvic disproportion, which is when the capacity of the pelvis is inadequate to allow the fetus to negotiate the birth canal. However, clinical evidence indicate that all pregnant women should be allowed a trial of labor regardless of pelvimetry results.

  4. Triradiate cartilage - Wikipedia

    en.wikipedia.org/wiki/Triradiate_cartilage

    Evaluating the position of the triradiate cartilage on an AP radiograph of the pelvis with both Perkin's line and Hilgenreiner's line can help establish a diagnosis of developmental dysplasia of the hip.

  5. Perkin's line - Wikipedia

    en.wikipedia.org/wiki/Perkin's_line

    Perkin's line is a line drawn on an AP radiograph of the pelvis perpendicular to Hilgenreiner's line at the lateral aspects of the triradiate cartilage of the acetabulum. [ 1 ] [ 2 ] Clinical use

  6. John Thomas sign - Wikipedia

    en.wikipedia.org/wiki/John_Thomas_sign

    It refers to the position of a penis as it relates to pathology on an X-ray of a pelvis. When the penis (visible on the X-ray as a shadow) points towards the same side as a unilateral medical condition such as a broken bone, this is considered a "positive John Thomas sign," and if the shadow points to the other side, it is a "negative John ...

  7. Klein's line - Wikipedia

    en.wikipedia.org/wiki/Klein's_line

    Klein's line or the line of Klein is a virtual line that can be drawn on an X-ray of an adolescent's hip parallel to the anatomically upper edge of the femoral neck.It was the first tool to aid in the early diagnosis of a slipped capital femoral epiphysis (SCFE), which if treated late or left untreated leads to crippling arthritis, leg length discrepancy and lost range of motion.

  8. List of radiologic signs - Wikipedia

    en.wikipedia.org/wiki/List_of_radiologic_signs

    Radiologic signs are the signs used for diagnosing physiological and pathological conditions in radiologic images. This list includes the names of radiologic signs in alphabetical order. This list includes the names of radiologic signs in alphabetical order.

  9. Pelvic inlet - Wikipedia

    en.wikipedia.org/wiki/Pelvic_inlet

    Its position and orientation relative to the skeleton of the pelvis is anatomically defined by its edge, the pelvic brim. The pelvic brim is an approximately apple-shaped line passing through the prominence of the sacrum, the arcuate and pectineal lines, and the upper margin of the pubic symphysis.