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Localization of LCF Pathology

 

Version: 20240418

Localization of LCF pathology is classified based on the anatomical-topographical principle. It is assumed that the LCF does not end near the attachment site but penetrates into it.

LOCALIZATION OF LCF PATHOLOGY

1. Middle part

2. Distal end

3. Proximal end

4. Distal attachment area

5. Proximal attachment area

6. Medial surface

7. Lateral surface

8. Anterior edge

9. Posterior edge

10. Transsynovial

11. Subsynovial

12. Total Lesion

The medial surface faces the bottom of the acetabulum. The lateral surface faces the femoral head. Transsynovial pathology implies changes including or only involving the synovial membrane. Subsynovial pathology is localized exclusively beneath the synovial membrane of LCF. Pathology can involve multiple parts of LCF, for example, damage to the distal end and proximal attachment area in a transacetabular fracture.

 

The distal part of LCF attaches directly to the bone of fovea capitis femoris. Along the periphery of the fovea capitis femoris, LCF attaches to the articular cartilage (approximately 3 mm away).

LOCALIZATION OF PATHOLOGY IN THE DISTAL ATTACHMENT AREA OF LCF

1. Bony Attachment Area

2. Cartilaginous Attachment Area

 

The proximal part of LCF attaches to several anatomical structures and their zones.

LOCALIZATION OF PATHOLOGY IN THE PROXIMAL ATTACHMENT AREA OF LCF

1. Bottom of the acetabular fossa

2. Anterior part of the semilunar surface

3. Posterior part of the semilunar surface

4. Bottom of the acetabular notch

5. Transverse acetabular ligament

6. Obturator membrane

7. Periosteum of the ischium

8. Periosteum of the pubic bone

9. Joint capsule

 

In the distal part, we identify three portions of the LCF stroma.

LOCALIZATION OF PATHOLOGY IN THE DISTAL PART OF LCF

1. Medial

2. Anterior

3. Posterior

 

In the middle part of the LCF, the above portions begin to be divided into several parts (subportions). Pathology may affect one or more portions.

LOCALIZATION OF PATHOLOGY IN THE PROXIMAL PART OF LCF

1. Portion of the bottom of the acetabulum fossa

2. Portion of the bottom of the acetabular notch

3. Anterior portion of the semilunar surface

4. Posterior portion of the semilunar surface

5. Portion of the transverse acetabular ligament

6. Portion of the obturator membrane

7. Portion of ischium

8. Portion of pubic bone

 

Keywords:

ligamentum capitis femoris, ligament of head of femur, round ligament, ligamentum teres, classification, pathology, localization

                                                                     

In translating to English, the author is assisted by ChatGPT (version 3.5) and the Google Translate service.

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