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Set of Classifications

 

General Classification of LCF Pathology

Version: 20240420

Annotation

Analysis of literature data and our own morphological observations allowed us to propose a General Classification of LCF Pathology.

Introduction

In Russia, the initial attempts to classify pathology of the ligamentum capitis femoris (LCF) were made by morphologists. L.I. Gaevskaya distinguished three types of LCF: 1) long and thick (length 41–51 mm, thickness 5 mm), 2) short and thin (length 10–20 mm, thickness 1 mm), 3) long and of small thickness (length 43–45 mm, with a thickness of 3 mm, and length 28–30 mm with a thickness of 4–5 mm) (1954ГаевскаяЛИ). V.V. Kovanov, A.A. Travin identified three varieties of histological structure of LCF: 1) with a predominance of loose connective tissue; 2) with a predominance of dense connective tissue; 3) with a uniform distribution of loose and dense connective tissue (1963КовановВВ_ТравинАА).

The development of arthroscopic surgery has made it possible to identify various, previously undescribed types of LCF pathology, which prompted the development of various modern classifications based on intraoperative observations (1997GrayAJ_VillarRN; 2001RaoJ_VillarRN; 2010CerezalL_Pérez-CarroL; 2011BotserIB_DombBG; 2015SalasAP_O'DonnellJ M; 2017DevittBM_O'DonnellJM; 2018O'DonnellJM_AroraM). Analysis of literature data and our own morphological observations allowed us to propose a General Classification of the Ligamentum Teres Pathology, which has the form of a collection of classifiers (2020ArkhipovSV), as well as a Classification of Functions of the Ligamentum Teres (2020ArkhipovSV). The classification is intended to systematize pathology of LCF, assist in the development of general approaches to its description, registration, analysis, and treatment.

LCF pathology may be caused by local processes and injuries, as well as by diseases of the entire body, individual organs, or systems. Due to this, the systematic classification of all possible changes is challenging. In our collection, we have used terminology accepted in medicine and biology, applying term elements from various classifications: systematic, histological, morphological, traumatological, topographic, and functional.

Catalog. General Classification of LCF Pathology

DOMAINS OF LCF PATHOLOGY  

TYPES OF LCF PATHOLOGY  

CHARACTER OF LCF PATHOLOGY

FACTORS CAUSING OF LCF PATHOLOGY

VARIANTS OF LCF PATHOLOGY

PHASES OF LCF PATHOLOGY

LOCALIZATION OF LCF PATHOLOGY

LOCALIZATION OFPATHOLOGY IN THE DISTAL ATTACHMENT AREA OF LCF

LOCALIZATION OFPATHOLOGY IN THE PROXIMAL ATTACHMENT AREA OF LCF

LOCALIZATIONOF PATHOLOGY IN THE DISTAL PART OF LCF

LOCALIZATION OFPATHOLOGY IN THE PROXIMAL PART OF LCF

TYPE OF LCF INJURY

SUBTYPE OF LCF INJURY

MECHANISM OF LCF INJURY

DIRECT MECHANISM OF LCF INJURY

INDIRECT MECHANISM OF LCF INJURY

COMBINED MECHANISM OF LCF INJURY

ENERGY OF LCF INJURY

LCF INJURIES FROM THE TYPE OF ITS DEFORMATION

MAIN TYPES OF LCF INJURY

SUBTYPE OF COMPLETE LCF INJURY

SUBTYPE OF PARTIAL LCF INJURY

MORPHOLOGY OF LCF

HISTOLOGICAL CHARACTERISTICS OF LCF ATTACHMENT SITES

Pathology of the Vascular System OF LCF

Pathology of the Nervous System OF LCF

Typesof LCF Infection

VARIETIES OF LOCAL INFECTIOUS INVOLVEMENT OF LCF

RESULT OF PATHOLOGICAL CHANGE OF LCF

PATHOMORPHOLOGICAL CHANGES OF LCF

NECROSIS OF LCF

METAPLASIA OF LCF

Neoplasms OF LCF  

CHARACTERISTICS OF LCFCHANGES

CHANGESIN THE MECHANICAL PROPERTIES OF LCF

CHANGING THE SPATIAL POSITION OF LCF

CHANGING OF GEOMETRICAL PROPERTIES OF LCF

PATHOLOGY OF LCF ATTACHMENT AREAS

Types of Pathology of LCF Attachment Area

Variants of Pathology of LCF Attachment Area

Pathology of the Distal Attachment Area of LCF

Pathology of the Distal Attachment Area of LCF 

TOPOGORAPHY OF THE ACETABULAR CANAL

PATHOLOGY OF THE ACETABULAR CANAL

MAIN FUNCTIONS OF LCF

Effects of the Mechanical Function of LCF

ALTERNATIVE TYPES OF LCF FUNCTIONS

FUNCTIONS OF LCF

Degrees of LCF Function Performance

TYPES OF LCF DYSFUNCTIONS

Magnitude of LCF Load

Reasons for Increased Load on LCF

Reasons for Decreased Load on LCF

TYPES OF LCF RECONSTRUCTION

SUBTYPES OF LCF RECONSTRUCTION


Conclusion

We believe that the use of the provided classifiers will allow for a more comprehensive description of LCF pathology, aid in determining rational methods of treatment and restoration of its function, and assist in predicting the outcomes of hip joint diseases and injuries.

References

Гаевская ЛИ. Топографо-анатомические особенности связочного аппарата тазобедренного сустава и их значение для клиники: дис. ... канд. мед. наук. Ленинград, 1954.

Кованов ВВ, Травин АА. Хирургическая анатомия нижних конечностей. Москва, 1963. [1lib.sk]

Arkhipov SV. Classification of functions of the ligamentum teres. Ligamentum teres - ligamentum incognitum. 07.06.2020. DOI:10.13140/RG.2.2.32089.34403 [researchgate.net]

Arkhipov SV. General classification of the ligamentum teres pathology. Vers. 2.0.1, 41 sections, 343 paragraphs and subparagraphs. Update: 07.06.2020. DOI:10.13140/RG.2.2.25378.45769 [researchgate.net]

Botser IB, Martin DE, Stout CE, Domb BG. Tears of the ligamentum teres: prevalence in hip arthroscopy using 2 classification systems. Am J Sports Med. 2011;39(1):117S-25S.  [journals.sagepub.com]

Cerezal L, Kassarjian A, Canga A, Dobado MC, Montero JA, Llopis E, Pérez-Carro L. Anatomy, biomechanics, imaging, and management of ligamentum teres injuries. Radiographics. 2010;30(6):1637-51. [pubs.rsna.org]

Devitt B.M., Smith B., Stapf R., Jo S., O’Donnell JM: The reliability of commonly used arthroscopic classifications of ligamentum teres pathology. J Hip Preserv Surg 2017;4(2):187-93. [scholar.google]

Gray AJ, Villar RN. The ligamentum teres of the hip: an arthroscopic classification of its pathology. Arthroscopy: The Journal of Arthroscopic & Related Surgery. 1997;13(5):575-8. [sciencedirect.com]

O’Donnell JM, Devitt BM, Arora M. The role of the ligamentum teres in the adult hip: redundant or relevant? A review. Journal of hip preservation surgery 2018;5(1):15-22.  [academic.oup.com]

Rao J, Zhou YX, Villar RN. Injury to the ligamentum teres: mechanism, findings, and results of treatment. Clin Sports Med 2001;20(4):791-9.  [sportsmed.theclinics.com]

Salas AP, O’Donnell JM. Ligamentum teres injuries - an observational study of a proposed new arthroscopic classification. J Hip Preserv Surg. 2015;2(3):258-264.  [ncbi.nlm.nih.gov]

Keywords

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

External links

Arkhipov SV. General Classification of LCF Pathology; Version: 20240420. About round ligament of femur (ligament of head of femur), 2024.04.20. [roundligament.blogspot.com]

                                                                     

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

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